delete the ShapeTracker (#12720)

* delete the ShapeTracker

* fix tests

* fix more

* fix gc test
This commit is contained in:
George Hotz
2025-10-16 15:36:22 +08:00
committed by GitHub
parent 592e86f6f5
commit 1d1e1d9d88
16 changed files with 14 additions and 1480 deletions
-4
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@@ -310,10 +310,6 @@ jobs:
run: python test/external/fuzz_symbolic.py
- name: Fuzz Test fast idiv
run: python test/external/fuzz_fast_idiv.py
- name: Fuzz Test shapetracker
run: CNT=50 python test/external/fuzz_shapetracker.py
- name: Fuzz Test shapetracker math
run: CNT=200 python test/external/fuzz_shapetracker_math.py
- name: Fuzz Test shape ops
run: python test/external/fuzz_shape_ops.py
-1
View File
@@ -42,7 +42,6 @@ setup(name='tinygrad',
'tinygrad.runtime.support.am',
'tinygrad.runtime.support.nv',
'tinygrad.schedule',
'tinygrad.shape',
'tinygrad.uop',
'tinygrad.viz',
],
-2
View File
@@ -1,6 +1,5 @@
import gc
from tinygrad import Tensor, UOp, Device, nn
from tinygrad.shape.shapetracker import views_to_valid_uop
from tinygrad.engine.realize import method_cache, get_program
from tinygrad.schedule.indexing import apply_movement_op
from test.test_tiny import TestTiny
@@ -69,7 +68,6 @@ if __name__ == "__main__":
# these caches will keep uops alive
method_cache.clear()
views_to_valid_uop.cache_clear()
apply_movement_op.cache_clear()
Tensor._device_seeds.clear()
Tensor._device_rng_counters.clear()
-29
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@@ -2,7 +2,6 @@ import unittest
from tinygrad import Device, Tensor, dtypes
from tinygrad.uop.ops import UOp, Ops
from tinygrad.codegen.opt import Opt, OptOps
from tinygrad.shape.shapetracker import ShapeTracker, View
from tinygrad.engine.realize import get_program
from tinygrad.helpers import AMX
@@ -149,33 +148,5 @@ class TestFloat4(unittest.TestCase):
assert TestFloat4.count_float4(uops) == (1, 1)
@unittest.skip("Ops.VIEW no longer exists")
def test_half4_load_unrolled(self):
# from llama 7B shard 4 gpus
ast = UOp(Ops.SINK, dtypes.void, arg=None, src=(
UOp(Ops.STORE, dtypes.void, arg=None, src=(
UOp(Ops.VIEW, dtypes.float.ptr(96000), arg=ShapeTracker(views=(View(shape=(1, 3, 32000, 1), strides=(0, 32000, 1, 0), offset=0, mask=None, contiguous=True),)), src=( # noqa: E501
UOp(Ops.DEFINE_GLOBAL, dtypes.float.ptr(96000), arg=0, src=()),)),
UOp(Ops.REDUCE_AXIS, dtypes.float, arg=(Ops.ADD, (3,)), src=(
UOp(Ops.CAST, dtypes.float, arg=None, src=(
UOp(Ops.MUL, dtypes.half, arg=None, src=(
UOp(Ops.LOAD, dtypes.half, arg=None, src=(
UOp(Ops.VIEW, dtypes.half.ptr(9216), arg=ShapeTracker(views=(View(shape=(1, 3, 32000, 1024), strides=(0, 4096, 0, 1), offset=0, mask=None, contiguous=False),)), src=( # noqa: E501
UOp(Ops.DEFINE_GLOBAL, dtypes.half.ptr(9216), arg=1, src=()),)),)),
UOp(Ops.LOAD, dtypes.half, arg=None, src=(
UOp(Ops.VIEW, dtypes.half.ptr(32768000), arg=ShapeTracker(views=(View(shape=(1, 3, 32000, 1024), strides=(0, 0, 1024, 1), offset=0, mask=None, contiguous=False),)), src=( # noqa: E501
UOp(Ops.DEFINE_GLOBAL, dtypes.half.ptr(32768000), arg=2, src=()),)),)),)),)),)),)),))
# TODO: fix this, expected might change but should be positive
for expected, opts in [
((7, 0), [Opt(op=OptOps.UPCAST, axis=1, arg=4), Opt(op=OptOps.UPCAST, axis=0, arg=3), Opt(op=OptOps.UNROLL, axis=0, arg=4)]),
((5, 0), [Opt(op=OptOps.UPCAST, axis=1, arg=4), Opt(op=OptOps.UNROLL, axis=0, arg=4)]),
((2, 0), [Opt(op=OptOps.UNROLL, axis=0, arg=4)]),
]:
program = get_program(ast, Device[Device.DEFAULT].renderer, opts=opts)
count = TestFloat4.count_half4(program.uops)
assert count == expected, f"{count=}, {expected=}"
if __name__ == '__main__':
unittest.main()
-46
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@@ -5,10 +5,8 @@
import unittest
from tinygrad import Device, dtypes
from tinygrad.uop.ops import UOp, Ops, AxisType, KernelInfo
from tinygrad.shape.shapetracker import ShapeTracker, View
from tinygrad.codegen.opt.search import Opt, OptOps
from tinygrad.engine.realize import get_program
from tinygrad.renderer.ptx import PTXRenderer
class TestLinearizerFailure(unittest.TestCase):
@unittest.skipUnless(Device.DEFAULT == "METAL", "only tested on METAL")
@@ -29,49 +27,5 @@ class TestLinearizerFailure(unittest.TestCase):
ast = c12.sink(arg=KernelInfo(name='test', axis_types=(), dont_use_locals=False, applied_opts=(Opt(op=OptOps.GROUP, axis=1, arg=16),), opts_to_apply=None))
_ = get_program(ast, Device["METAL"].renderer)
class TestLinearizerDumb(unittest.TestCase):
@unittest.expectedFailure
@unittest.skipUnless(Device[Device.DEFAULT].renderer.supports_float4, "need float4")
def test_unrolled_float4_align(self):
c0 = UOp(Ops.DEFINE_GLOBAL, dtypes.float.ptr(1), arg=0, src=())
c1 = c0.view(ShapeTracker(views=(View(shape=(1, 1), strides=(0, 0), offset=0, mask=None, contiguous=True),)))
c2 = UOp(Ops.DEFINE_GLOBAL, dtypes.long.ptr(18), arg=1, src=())
c3 = c2.view(ShapeTracker(views=(View(shape=(3, 6), strides=(6, 1), offset=0, mask=None, contiguous=True),)))
c4 = c3.load()
c5 = UOp(Ops.VIEW, dtypes.void, arg=ShapeTracker(views=(View(shape=(3, 6), strides=(0, 0), offset=0, mask=None, contiguous=False),)), src=())
c6 = UOp(Ops.DEFINE_GLOBAL, dtypes.float.ptr(18), arg=2, src=())
c7 = c6.view(ShapeTracker(views=(View(shape=(3, 6), strides=(6, 1), offset=0, mask=None, contiguous=True),)))
c8 = c7.load()
c9 = c1.store(c4.alu(Ops.CMPNE, UOp.const(dtypes.long, -1, src=c5)).alu(Ops.CMPNE, UOp.const(dtypes.bool, True, src=c5)).where(UOp.const(dtypes.float, 0.0, src=c5), c8).f(Ops.REDUCE_AXIS, arg=(Ops.ADD, (0, 1))))
ast = c9.sink()
opts = [Opt(op=OptOps.UNROLL, axis=0, arg=0)]
prg = get_program(ast, Device[Device.DEFAULT].renderer, opts)
print(prg.src)
load_idxs = [x.src[1] for x in prg.uops if x.op is Ops.LOAD and x.src[0].arg == 2]
assert load_idxs[0] < load_idxs[1], f"first loaded idx {load_idxs[0].arg} then {load_idxs[1].arg}!"
@unittest.expectedFailure
@unittest.skipUnless(Device[Device.DEFAULT].renderer.supports_float4, "need float4")
@unittest.skipIf(isinstance(Device[Device.DEFAULT].renderer, PTXRenderer), "this is somehow correct in PTX")
def test_upcasted_stores_out_of_order(self):
c0 = UOp(Ops.DEFINE_GLOBAL, dtypes.float.ptr(9360), arg=0, src=())
c1 = c0.view(ShapeTracker(views=(View(shape=(4, 5, 13, 1, 1, 1, 1, 1, 4, 3, 3), strides=(2340, 468, 36, 0, 0, 0, 0, 0, 9, 3, 1), offset=0, mask=None, contiguous=True),)))
c2 = UOp(Ops.DEFINE_GLOBAL, dtypes.float.ptr(144), arg=1, src=())
c3 = c2.view(ShapeTracker(views=(View(shape=(4, 5, 13, 1, 1, 1, 4, 1, 4, 3, 3), strides=(0, 0, 0, 0, 0, 0, 1, 0, 4, 48, 16), offset=0, mask=None, contiguous=False),)))
c4 = c3.load()
c5 = UOp(Ops.DEFINE_GLOBAL, dtypes.float.ptr(1040), arg=2, src=())
c6 = c5.view(ShapeTracker(views=(View(shape=(4, 5, 13, 1, 1, 1, 4, 1, 4, 3, 3), strides=(260, 13, 1, 0, 0, 0, 65, 0, 0, 0, 0), offset=0, mask=None, contiguous=False),)))
c7 = c6.load()
c8 = c1.store((c4*c7).f(Ops.REDUCE_AXIS, arg=(Ops.ADD, (6,))))
ast = c8.sink()
opts = [Opt(op=OptOps.UPCAST, axis=3, arg=0), Opt(op=OptOps.UPCAST, axis=2, arg=0)]
prg = get_program(ast, Device[Device.DEFAULT].renderer, opts)
print(prg.src)
store_idxs = [x.src[1] for x in prg.uops if x.op is Ops.STORE]
for i in range(len(store_idxs) - 1):
first_bounds = store_idxs[i].vmin+store_idxs[i].vmax
next_bounds = store_idxs[i+1].vmin+store_idxs[i+1].vmax
assert first_bounds < next_bounds, f"first stored (max) idx {first_bounds} then {next_bounds}!"
if __name__ == '__main__':
unittest.main()
-9
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@@ -1,6 +1,5 @@
import unittest
from tinygrad import Tensor, Variable, GlobalCounters
from tinygrad.shape.shapetracker import View
from tinygrad.uop.ops import sym_infer
from tinygrad.dtype import dtypes
from tinygrad.device import is_dtype_supported
@@ -64,14 +63,6 @@ class TestSymbolicOps(unittest.TestCase):
self.test_attention(imin=4, imax=5, use_symbolic=False)
self.test_attention(imin=4, imax=5, use_symbolic=True)
# until this works, symbolic single kernel softmax won't
@unittest.expectedFailure
def test_attention_simple_view(self):
i = Variable("i", 2, 10)
v1 = View.create((2,4,1,i,i), ((i*4),i,0,0,1))
v2 = View.create((2,4,1,i,i,i), (((i*i)*4),(i*i),0,0,i,1))
self.assertIsNotNone(v1+v2)
def test_attention_training(self):
with Tensor.train():
self.test_attention(dropout_p=0.0)
+2 -2
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@@ -5,8 +5,6 @@ import numpy as np
from tinygrad import Tensor, dtypes, Device, TinyJit
from tinygrad.device import is_dtype_supported
from tinygrad.shape.shapetracker import ShapeTracker
from tinygrad.shape.view import View
from tinygrad.helpers import CI, all_same, prod
random.seed(42)
@@ -22,11 +20,13 @@ def consec(shape, start=1):
# creates strided tensor with base set to reference tensor's base, equivalent to torch.set_()
def set_(reference: Tensor, shape, strides, offset):
raise NotImplementedError("need to implement without calling uop.view")
"""
if reference.uop.base.realized is None: reference.realize()
assert reference.uop.base.realized, "base has to be realized before setting it to strided's base"
strided = Tensor(reference.uop.view(ShapeTracker((View.create(shape=shape, strides=strides, offset=offset),))))
assert strided.uop.st.real_strides() == strides, "real_strides should equal strides for strided"
return strided
"""
def clone(original:Tensor): return original.clone()
def copy_(src:Tensor, other:Tensor) -> Tensor: return src.clone()
-774
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@@ -1,774 +0,0 @@
#!/usr/bin/env python
import unittest
import numpy as np
from tinygrad.dtype import dtypes, Invalid
from tinygrad.helpers import prod
from tinygrad.shape.shapetracker import ShapeTracker, View, views_to_valid_uop
from tinygrad import Variable
from tinygrad.uop.ops import UOp, Ops, graph_rewrite
from tinygrad.codegen.late.devectorizer import sym
from itertools import product
def shapetracker_getitem(st:ShapeTracker, val:int):
valid_idx = views_to_valid_uop(st.reshape((st.size,)).views, (UOp.const(dtypes.int, val),))
idx, valid = valid_idx.get_idx(), valid_idx.get_valid()
idx, valid = graph_rewrite(idx, sym), graph_rewrite(valid, sym)
assert idx.op is Ops.CONST and valid.op is Ops.CONST
return idx.arg, valid.arg
class CheckingShapeTracker:
def __init__(self, shape):
self.st = ShapeTracker.from_shape(shape)
self.t = np.arange(prod(shape), dtype=np.int32).reshape(shape)
@property
def shape(self):
return self.t.shape
def simplify(self):
self.st = self.st.simplify()
return self
def reshape(self, new_shape):
self.st = self.st.reshape(new_shape)
self.t = self.t.reshape(new_shape)
return self
def permute(self, axis):
self.st = self.st.permute(axis)
self.t = np.transpose(self.t, axis)
return self
def expand(self, new_shape):
self.st = self.st.expand(new_shape)
self.t = np.broadcast_to(self.t, new_shape)
return self
def flip(self, arg):
self.st = self.st.flip(arg)
self.t = np.flip(self.t, tuple(i for i in range(len(arg)) if arg[i]))
return self
def shrink(self, arg):
self.st = self.st.shrink(arg)
self.t = self.t[tuple([slice(x[0], x[1]) for x in arg])]
return self
def pad(self, arg):
self.st = self.st.pad(arg)
self.t = np.pad(self.t, arg, constant_values=-1)
return self
def __getitem__(self, val):
return self.t.flatten()[val]
@property
def views(self): return self.st.views
@property
def contiguous(self): return self.st.contiguous
def assert_same(self):
x = [(v[0] if (v:=shapetracker_getitem(self.st, i))[1] and v[0] is not Invalid else -1) for i in range(prod(self.st.shape))]
y = [self[i] for i in range(prod(self.shape))]
assert self.st.shape == self.shape
assert x == y, f"mismatch shapetracker:{x} real:{y}"
@unittest.skip("don't create shapetrackers with views")
class TestRealIssues(unittest.TestCase):
def test_reshape_doesnt_multiview(self):
self.st = ShapeTracker((View.create((256, 256, 2, 2, 2, 2, 2, 256, 8, 2), (0, 8, 0, 4, 0, 0, 2, 16384, 2048, 1), 0, None),))
self.st.reshape((128, 2, 256, 2, 2, 2, 2, 2, 256, 8, 2))
assert len(self.st.views) == 1
def test_reshape_stable_diffusion(self):
# regression test for https://github.com/tinygrad/tinygrad/pull/2616
st = ShapeTracker((View((2, 1920, 32, 32), (1310720, 1024, 32, 1), 0, ((0, 2), (0, 1280), (0, 32), (0, 32)), False),))
st = st.reshape((2, 32, 240, 256))
assert len(st.views) == 2
def test_reshape_trailing_invalid_ones(self):
st = ShapeTracker((View(shape=(1, 1, 5), strides=(0, 0, 1), offset=-5, mask=((1, 1), (0, 1), (0, 5)), contiguous=False),))
st = st.reshape((5,))
assert len(st.views) == 1
assert st.views[0].mask == ((0,0),)
class TestRealDoesntSimplify(unittest.TestCase):
def tearDown(self):
self.st = self.st.simplify()
assert len(self.st.views) != 1
def test_1(self):
self.st = ShapeTracker((
View.create((8, 3, 1, 2, 11, 1), (33, 11, 0, 0, 1, 0), 0, None),
View.create((8, 6, 11), (66, 11, 1), 0, None)))
self.assertEqual(self.st.is_expanded(), (False, False, False))
def test_2(self):
self.st = ShapeTracker((
View.create((2, 2, 4, 3, 3), (72, 9, 18, -3, -1), 8, None),
View.create((4, 4, 3, 3), (36, 9, 3, 1), 0, None)))
self.assertEqual(self.st.is_expanded(), (False, False, False, False))
class TestRealStrides(unittest.TestCase):
def test_1(self):
st = ShapeTracker((
View.create((2048,), (1,), 0, ((0, 512),)),
View.create((16, 32, 4), (128, 4, 1), 0, None),
))
self.assertEqual(st.is_expanded(), (False, False, False))
def test_2(self):
# test/test_ops.py::TestOps::test_simple_padding_conv1d
st = ShapeTracker((
View.create((6, 2, 5, 14), (90, 45, 1, 5), 0, ((0, 6), (0, 2), (0, 5), (0, 9))),
View.create((6, 2, 78), (140, 70, 1), 0, ((0, 6), (0, 2), (0, 70))),
View.create((6, 2, 13, 6), (156, 78, 1, 13), 0, None),
))
self.assertEqual(st.is_expanded(), (False, False, False, False))
def test_3(self):
# test/test_ops.py::TestOps::test_simple_cumsum
st = ShapeTracker((
View.create((4, 256, 512), (256, 0, 1), 0, ((0, 4), (0, 256), (0, 256))),
View.create((4, 131327), (131072, 1), 0, ((0, 4), (0, 131072))),
View.create((4, 511, 257), (131327, 1, 511), 0, None),
))
self.assertEqual(st.is_expanded(), (False, False, False))
def test_4(self):
# test/test_nn.py::TestNN::test_conv_transpose1d
st = ShapeTracker((
View.create((4, 16, 56, 2), (896, 56, 1, 0), 0, ((0, 4), (0, 16), (0, 56), (0, 1))),
View.create((1, 4, 1, 16, 8, 121), (0, 1792, 0, 112, 0, 1), -5, ((0, 1), (0, 4), (0, 1), (0, 16), (0, 8), (5, 116))),
View.create((4, 64, 115, 16, 7), (15488, 0, 1, 968, 122), 0, None),
))
self.assertEqual(st.is_expanded(), (False, True, False, False, False))
def test_5(self):
# test/test_ops.py::TestOps::test_conv2d
st = ShapeTracker((
View.create((1, 3, 1, 12, 2, 8), (0, 132, 0, 12, 1, 2), 0, ((0, 1), (0, 3), (0, 1), (0, 11), (0, 2), (0, 6))),
View.create((1, 3, 22, 21), (0, 192, 16, 1), 0, ((0, 1), (0, 3), (0, 12), (0, 16))),
View.create((3, 11, 7, 2, 3), (462, 21, 1, 231, 7), 0, None),
))
self.assertEqual(st.is_expanded(), (False, False, False, True, False))
class TestIndexExpressions2d(unittest.TestCase):
def setUp(self):
shapes = [(30, 5), (15, 10), (15, 1), (5, 10), (5, 1)] # Make sure dim0 is a multiple of 5, one of the tests divides this dimension by 5
offsets = [0, 1, 15, 28, 10000]
self.sts = [ShapeTracker.from_shape((prod(base_shape)+offset,)).shrink(((offset, offset+prod(base_shape)),)).\
reshape(base_shape) for base_shape in shapes for offset in offsets]
self.offset = [offset for base_shape in shapes for offset in offsets]
self.shapes = [shape for shape in shapes for offset in offsets]
self.idxs_exprs = []
def tearDown(self):
for st, offset, shape, idxs_expr in zip(self.sts, self.offset, self.shapes, self.idxs_exprs):
numel = prod(shape)
self.check_bounds(idxs_expr(self.default_idxs(st.shape)), offset, numel)
idx0s = [(0,0), (0, min(1, st.shape[0]-1)), (0, st.shape[0]-1), (min(3, st.shape[0]-1), min(6, st.shape[0]-1)), (st.shape[0]-1, st.shape[0]-1)]
idx1s = [(0,0), (0, min(1, st.shape[1]-1)), (0, st.shape[1]-1), (min(3, st.shape[1]-1), min(6, st.shape[1]-1)), (st.shape[1]-1, st.shape[1]-1)]
idx2s = [(0,0), (0, min(1, st.shape[2]-1)), (0, st.shape[2]-1), (min(3, st.shape[2]-1), min(6, st.shape[2]-1)),
(st.shape[2]-1, st.shape[2]-1)] if len(st.shape) == 3 else [None for _ in idx0s]
for idx0, idx1, idx2 in product(idx0s, idx1s, idx2s):
idxs = [Variable(f"idx{i}", idx[0], idx[1]) for i, idx in enumerate((idx0, idx1, idx2)) if idx is not None]
self.check_bounds(idxs_expr(idxs), offset, numel)
def default_idx(self, shape):
return Variable("idx", 0, prod(shape)-1)
def default_idxs(self, shape):
return [Variable(f"idx{i}", 0, d-1) for i,d in enumerate(shape)]
def check_bounds(self, expr, offset, numel):
assert expr.vmin >= offset
assert expr.vmax <= offset + numel - 1
def test_noop(self):
for st, base_shape, offset in zip(self.sts, self.shapes, self.offset):
self.idxs_exprs.append(lambda idxs, base_shape=base_shape, offset=offset: idxs[0]*base_shape[1] + idxs[1] + offset)
def test_permute(self):
new_st = []
for st, base_shape, offset in zip(self.sts, self.shapes, self.offset):
st = st.permute((1, 0))
self.idxs_exprs.append(lambda idxs, base_shape=base_shape, offset=offset: idxs[0] + idxs[1]*base_shape[1] + offset)
new_st.append(st)
self.sts = new_st
def test_reshape(self):
new_st = []
for st, base_shape, offset in zip(self.sts, self.shapes, self.offset):
st = st.reshape((base_shape[0], 1, base_shape[1]))
self.idxs_exprs.append(lambda idxs, base_shape=base_shape, offset=offset: idxs[0]*base_shape[1] + idxs[2] + offset)
new_st.append(st)
self.sts = new_st
def test_reshape_expand(self):
new_st = []
for st, base_shape, offset in zip(self.sts, self.shapes, self.offset):
st = st.reshape((base_shape[0], 1, base_shape[1]))
st = st.expand((base_shape[0], base_shape[1], base_shape[1]))
self.idxs_exprs.append(lambda idxs, base_shape=base_shape, offset=offset: idxs[0]*base_shape[1] + idxs[2] + offset)
new_st.append(st)
self.sts = new_st
def test_permute_reshape_1(self): # This tests multiple views
new_st = []
for st, base_shape, offset in zip(self.sts, self.shapes, self.offset):
st = st.permute((1, 0))
st = st.reshape((base_shape[0]//5, 1, base_shape[1]*5))
self.idxs_exprs.append(lambda idxs, base_shape=base_shape, offset=offset: (idxs[0]*(base_shape[1]*5)+idxs[2])%base_shape[0]*base_shape[1] + \
(idxs[0]*(base_shape[1]*5)+idxs[2])//base_shape[0] + offset)
new_st.append(st)
self.sts = new_st
def test_permute_reshape_2(self):
new_st = []
for st, base_shape, offset in zip(self.sts, self.shapes, self.offset):
st = st.permute((1, 0))
st = st.reshape((1, base_shape[0]//5, base_shape[1]*5))
self.idxs_exprs.append(lambda idxs, base_shape=base_shape, offset=offset: (idxs[1]*(base_shape[1]*5)+idxs[2])%base_shape[0]*base_shape[1] + \
(idxs[1]*(base_shape[1]*5)+idxs[2])//base_shape[0] + offset)
new_st.append(st)
self.sts = new_st
def test_reshaping_splitting(self):
self.st = CheckingShapeTracker((5,10,5,10))
self.st.permute((1, 0, 3, 2))
self.st.pad(((0,0), (0,5), (0,0), (0,5)))
self.st.reshape((10,2,5,10,2,5))
assert len(self.st.views) == 1
self.st.assert_same()
def test_reshape_splitting_1(self):
self.st = CheckingShapeTracker((1,10,1))
self.st.pad(((0,4),(0,0),(1,0)))
self.st.reshape((5,5,2,2))
assert len(self.st.views) == 1
self.st.assert_same()
def test_reshape_combining_1(self):
self.st = CheckingShapeTracker((2,1,10))
self.st.pad(((2,6), (0,0), (0,0)))
self.st.reshape((100,))
assert len(self.st.views) == 1
self.st.assert_same()
def test_reshape_combining_2(self):
self.st = CheckingShapeTracker((1,1,5))
self.st.pad(((3,6), (0,0), (0,5)))
self.st.reshape((100,))
assert len(self.st.views) == 1
self.st.assert_same()
def test_reshape_combining_3(self):
self.st = CheckingShapeTracker((1,1,4))
self.st.pad(((3,6), (0,0), (1,5)))
self.st.reshape((100,))
assert len(self.st.views) == 1
assert self.st.views[0].mask[0] == (31, 35)
self.st.assert_same()
def test_reshape_combining_4(self):
# interestingly this one is quite slow
self.st = CheckingShapeTracker((1,1,5,5,1,1,5))
self.st.pad(((2,1), (0,0), (0,2), (0,0), (2,1), (0,0), (0,2)))
self.st.reshape((28,5,28))
assert len(self.st.views) == 1
self.st.assert_same()
def test_reshape_splitting_combining(self):
self.st = CheckingShapeTracker((1,5,5))
self.st.pad(((0,4), (0,5), (0,0)))
self.st.reshape((10,25))
assert len(self.st.views) == 1
self.st.assert_same()
def test_reshape_only_1s(self):
self.st = CheckingShapeTracker((1, 1, 1, 4, 1, 3, 5, 1))
self.st.pad(((0,4), (0,0), (0,0), (1,1), (0,0), (0,0), (0,0), (0,0)))
self.st.reshape((5, 6, 3, 5))
assert len(self.st.views) == 1
self.st.assert_same()
self.st.reshape((1, 1, 5, 6, 3, 5, 1, 1))
assert len(self.st.views) == 1
self.st.assert_same()
self.st.reshape((1, 5, 6, 1, 3, 1, 5, 1))
assert len(self.st.views) == 1
self.st.assert_same()
def test_zero_mask_1(self):
self.st = CheckingShapeTracker((1, 3, 2))
self.st.pad(((0,0), (0,3), (0,0)))
self.st.shrink(((0,1), (3,6), (0,2)))
self.st.reshape((3,2))
assert len(self.st.views) == 1
self.st.assert_same()
self.st.reshape((1, 3, 1, 2, 1))
assert len(self.st.views) == 1
self.st.assert_same()
def test_zero_mask_2(self):
self.st = CheckingShapeTracker((1, 3, 2))
self.st.pad(((0,2), (0,3), (0,0)))
self.st.shrink(((2,3), (3,6), (0,2)))
self.st.reshape((3,2))
assert len(self.st.views) == 1
self.st.assert_same()
self.st.reshape((1, 3, 1, 2, 1))
assert len(self.st.views) == 1
self.st.assert_same()
def test_expanded_reshaped(self):
self.st = CheckingShapeTracker((1, 3, 2, 1))
self.st.expand((5, 3, 2, 2))
self.st.pad(((0,0), (0,3), (0,0), (0, 0)))
self.st.reshape((5, 2, 3, 2, 2))
assert len(self.st.views) == 1
self.st.assert_same()
def test_splitting_big(self):
self.st = CheckingShapeTracker((1, 5, 1, 15, 1))
self.st.pad(((0,0), (0,5), (0,0), (0,15), (0,0)))
self.st.reshape((10, 1, 30))
self.st.permute((2,1,0))
self.st.reshape((2,3,5,2,5))
assert len(self.st.views) == 1
v = self.st.views[-1]
assert v.strides == (0, 5, 1, 0, 15) and v.mask == ((0, 1), (0, 3), (0, 5), (0, 1), (0, 5))
self.st.assert_same()
def test_combining_big(self):
self.st = CheckingShapeTracker((1,3,1,5,3,1))
self.st.pad(((0,0),(2,2),(0,0),(0,0),(0,0),(0,0)))
self.st.reshape((1,1,1,105,1,1))
assert len(self.st.views) == 1
v = self.st.views[-1]
assert v.strides == (0, 0, 0, 1, 0, 0) and v.mask == ((0, 1), (0, 1), (0, 1), (30, 75), (0, 1), (0, 1)) and v.offset == -30
self.st.assert_same()
def test_pad_reshape(self):
self.st = CheckingShapeTracker((4,))
self.st.pad(((2,2),))
self.st.reshape((4,2))
assert len(self.st.views) == 1
self.st.assert_same()
class TestSimplifyingShapeTracker(unittest.TestCase):
def setUp(self):
self.st = CheckingShapeTracker((1, 10))
def tearDown(self):
self.st.assert_same()
# multiview simplify
def test_expand_contract_simple(self):
self.st = self.st.expand((10, 10))
self.st = self.st.reshape((100,))
print(self.st.views)
assert (len(self.st.views) == 2)
self.st = self.st.reshape((10, 10))
print(self.st.views)
self.st = self.st.simplify()
print(self.st.views)
assert (len(self.st.views) == 1)
# multiview simplify
def test_expand_contract_different_shape(self):
self.st.expand((10, 10))
self.st.reshape((100,))
print(self.st.views)
assert (len(self.st.views) == 2)
self.st.reshape((2, 5, 2, 5))
print(self.st.views)
self.st = self.st.simplify()
print(self.st.views)
assert (len(self.st.views) == 1)
# multiview simplify
def test_expand_contract_still_complex(self):
self.st.expand((10, 10))
self.st.reshape((100,))
print(self.st.views)
assert (len(self.st.views) == 2)
self.st.reshape((5, 20))
self.st = self.st.simplify()
print(self.st.views)
assert (len(self.st.views) == 2)
# Tensor.zeros(2, 4).permute(1,0).reshape(2, 4)
# (d1*4 + d0%4), d1=x//4, d0=x%4 = ((x//4)*4) + (x%4)%4
class TestComplexShapeTracker(unittest.TestCase):
def test_add_1s(self):
self.st = CheckingShapeTracker((4, 4))
self.st.permute((1,0))
self.st.reshape((1,4,1,4,1))
assert not self.st.contiguous
self.st.permute((0,3,2,1,4))
assert self.st.contiguous
def test_permute_1s_simple(self):
self.st = CheckingShapeTracker((1, 16, 9,9))
self.st.permute((1,0,2,3))
assert self.st.contiguous
self.st = CheckingShapeTracker((2, 16, 9,9))
self.st.permute((1,0,2,3))
assert not self.st.contiguous
def test_remove_1s_simple(self):
self.st = CheckingShapeTracker((1, 16, 1, 1))
self.st.reshape((16,))
assert self.st.contiguous
def test_remove_1s(self):
self.st = CheckingShapeTracker((1, 4, 1, 4, 1))
self.st.permute((0,3,2,1,4))
self.st.reshape((4,4))
assert not self.st.contiguous
self.st.permute((1,0))
assert self.st.contiguous
def test_permute_reshape(self):
self.st = CheckingShapeTracker((4, 4))
self.st.permute((1,0))
self.st.reshape((2, 2, 2, 2))
# TODO: should also be tested by test_super_complex
assert len(self.st.views) == 1
def test_factorize_split(self):
self.st = CheckingShapeTracker((4, 4))
self.st.permute((1,0))
self.st.reshape((2, 2, 2, 2))
self.st.permute((2,3,0,1))
assert self.st.contiguous
def test_factorize_combine(self):
self.st = CheckingShapeTracker((4, 4, 4))
self.st.permute((2, 0, 1))
self.st.reshape((4, 16))
self.st.permute((1, 0))
assert self.st.contiguous
def test_factorize_combine_add_ones(self):
self.st = CheckingShapeTracker((4, 4, 4))
self.st.permute((2, 0, 1))
self.st.reshape((4, 16, 1, 1))
self.st.permute((1, 0, 2, 3))
assert self.st.contiguous
def test_fancy_factorize(self):
self.st = CheckingShapeTracker((32, 3, 3, 1))
self.st.reshape((8, 4, 3, 3))
assert len(self.st.views) == 1
def test_super_complex_2_fail(self):
self.st = CheckingShapeTracker((4, 4, 4))
self.st.permute((2, 0, 1))
self.st.reshape((16, 4))
assert len(self.st.views) != 1
def test_work(self):
self.st = CheckingShapeTracker((64, 1024, 4))
self.st.reshape((1, 64, 128, 32))
self.st.permute((0, 3, 1, 2))
self.st.reshape((1, 32, 1, 64, 128))
self.st.permute((0, 3, 4, 1, 2))
assert self.st.contiguous
def test_work2(self):
self.st = CheckingShapeTracker((64, 1024, 4))
self.st.reshape((1, 64, 128, 32))
self.st.permute((0, 3, 1, 2))
self.st.reshape((1, 1, 32, 64, 128))
self.st.permute((0, 3, 4, 1, 2))
self.st.reshape((64, 1024, 4))
print(self.st.views)
assert self.st.contiguous
class TestShapeTrackerEquality(unittest.TestCase):
def test_simple_equals(self):
self.assertEqual(ShapeTracker.from_shape((10,10)), ShapeTracker.from_shape((10,10)))
def test_other_equals(self):
st1 = ShapeTracker(views=(View(shape=(3,), strides=(1,), offset=0, mask=None, contiguous=True)))
st2 = ShapeTracker(views=(View(shape=(3,), strides=(1,), offset=0, mask=None, contiguous=True)))
self.assertEqual(st1, st2)
class TestSingleShapeTracker(unittest.TestCase):
def setUp(self):
self.st = CheckingShapeTracker((7,4))
def tearDown(self):
self.st.assert_same()
def test_reshape(self):
self.st.reshape((7,1,4))
assert self.st.contiguous
def test_permute(self):
self.st.permute((1,0))
assert not self.st.contiguous
def test_shrink(self):
self.st.shrink(((1,2), (0,4)))
assert not self.st.contiguous
def test_double_permute(self):
self.st.permute((1,0))
self.st.permute((1,0))
assert self.st.contiguous
def test_reshape_permute(self):
self.st.reshape((7,1,4))
self.st.permute((0,1,2))
assert self.st.contiguous
def test_reshape_permute_yes(self):
self.st.reshape((7,1,4))
self.st.permute((0,2,1))
assert self.st.contiguous
def test_reshape_permute_no(self):
self.st.reshape((4,7))
self.st.permute((1,0))
assert not self.st.contiguous
class TestShapeTrackerFuzzFailures(unittest.TestCase):
def setUp(self):
self.st = CheckingShapeTracker((3,3,3))
def tearDown(self):
self.st.assert_same()
def test_case_1(self):
self.st.shrink(((1, 2), (1, 3), (1, 3)))
self.st.reshape((1, 4))
self.st.shrink(((0, 1), (1, 3)))
self.st = self.st.simplify()
def test_case_2(self):
self.st.flip( (True, False, True) )
self.st.reshape( (3, 9) )
self.st.shrink( ((1, 2), (1, 5)) )
self.st.flip( (True, True) )
def test_case_3(self):
self.st.shrink( ((0, 2), (0, 2), (0, 1)) )
self.st.permute( (1, 0, 2) )
self.st.reshape( (4,) )
self.st.shrink( ((0, 3),) )
self.st.flip( (True, False) )
def test_case_4(self):
self.st.reshape( (3, 3, 3, 1) )
self.st.pad( ((0, 0), (0, 0), (0, 0), (1, 1)) )
self.st.shrink( ((0, 2), (1, 2), (0, 2), (0, 1)) )
self.st.expand( (2, 1, 2, 3) )
class TestMaskedShapeTracker(unittest.TestCase):
def test_pad_1x1(self):
self.st = CheckingShapeTracker((1,1))
self.st.pad(((1,1), (1,1)))
self.st.assert_same()
def test_pad_2x2(self):
self.st = CheckingShapeTracker((2,2))
self.st.pad(((1,1), (1,1)))
self.st.assert_same()
def test_pad_reshape(self):
st1 = CheckingShapeTracker((1, 2))
st1.pad(((1, 0), (0, 1)))
st1.reshape((3, 2))
st1.assert_same()
st2 = CheckingShapeTracker((1, 2))
st2.pad(((1, 1), (0, 2)))
st2.reshape((4, 3))
st2.assert_same()
st3 = CheckingShapeTracker((1, 1, 1, 2))
st3.pad(((0, 2), (1, 2), (2, 2), (0, 4)))
st3.reshape((4, 3, 6, 5))
st3.assert_same()
class TestShapeTracker(unittest.TestCase):
def setUp(self):
self.st = CheckingShapeTracker((7,4))
self.apply = lambda fxn: [fxn(x) for x in [self.st]]
def tearDown(self):
self.st.assert_same()
def test_noop(self):
pass
def test_simple_split(self):
self.test_permute()
self.apply(lambda x: x.reshape((prod(self.st.shape), )))
def test_simple_pad(self):
self.st.pad(((1,1), (1,1)))
def test_pad_shrink(self):
self.st.pad(((1,1), (1,1)))
self.st.shrink(((0,4), (0,4)))
def test_pad_one_sided(self):
self.st.pad(((0,1), (0,0)))
def test_pad_reshape(self):
self.st.pad(((0,1), (0,0)))
self.st.reshape((8*4,))
def test_pad_pad(self):
self.st.pad(((1,1), (1,1)))
self.st.pad(((1,1), (1,1)))
def test_pad_permute(self):
self.st.pad(((1,1), (2,2)))
self.st.permute((1,0))
def test_pad_expand(self):
self.st.reshape((7,4,1))
self.st.pad(((1,1), (1,1), (0,0)))
self.st.expand((9,6,4))
def test_pad_expand_alt(self):
self.st.pad(((1,1), (1,1)))
self.st.reshape((9,6,1))
self.st.expand((9,6,4))
def test_pad_flip(self):
self.st.pad(((1,4), (1,3)))
self.st.flip((True, False))
def test_pad_flip_int(self):
self.st.pad(((1,4), (1,3)))
self.st.flip((0, 1))
def test_reshape(self):
new_shape = self.st.shape[::-1]
self.apply(lambda x: x.reshape(new_shape))
def test_permute(self):
if len(self.st.shape) == 2: self.apply(lambda x: x.permute((1,0)))
elif len(self.st.shape) == 3: self.apply(lambda x: x.permute((2,0,1)))
def test_reshape_with_1(self):
new_shape = (self.st.shape[0], 1, self.st.shape[1])
self.apply(lambda x: x.reshape(new_shape))
def test_expand(self):
self.test_reshape_with_1()
new_shape = list(self.st.shape)
new_shape[1] = 2
self.apply(lambda x: x.expand(tuple(new_shape)))
def test_flip_0(self):
self.apply(lambda x: x.flip((True, False)))
def test_flip_1(self):
self.apply(lambda x: x.flip((False, True)))
def test_flip_01(self):
self.apply(lambda x: x.flip((True, True)))
def test_slice_0(self):
self.apply(lambda x: x.shrink(((1, x.shape[0]), (0, x.shape[1]))))
def test_slice_1(self):
self.apply(lambda x: x.shrink(((0, x.shape[0]), (1, x.shape[1]))))
def test_slice_1c1(self):
self.apply(lambda x: x.shrink(((0, 1), (0, 1))))
def test_slice_1c2(self):
self.apply(lambda x: x.shrink(((1, 2), (1, 2))))
def test_double_permute(self):
self.apply(lambda x: x.permute((1, 0)))
self.apply(lambda x: x.permute((1, 0)))
def test_slice_permute(self):
self.apply(lambda x: x.shrink(((0, 2), (2, 4))))
self.apply(lambda x: x.permute((1, 0)))
def test_slice_expand(self):
self.apply(lambda x: x.shrink(((0, 2), (3, 4))))
self.apply(lambda x: x.expand((2, 10)))
def test_double_flip(self):
self.apply(lambda x: x.flip((True, False)))
self.apply(lambda x: x.flip((True, False)))
def test_flip(self): self.apply(lambda x: x.flip((True, False)))
def test_flip2(self): self.apply(lambda x: x.flip((False, True)))
def test_flip3(self): self.apply(lambda x: x.flip((True, True)))
def test_reshape_then_permute(self):
self.test_reshape()
self.test_permute()
def test_reshape_then_expand(self):
self.test_reshape()
self.test_expand()
def test_permute_then_reshape(self):
self.test_permute()
self.test_reshape()
def test_expand_then_reshape(self):
self.test_expand()
self.test_reshape()
def test_combo(self):
self.test_permute()
self.test_reshape()
self.test_slice_1()
self.test_expand()
self.test_permute()
class TestVariableShrink(unittest.TestCase):
def test_shrink(self):
st = ShapeTracker.from_shape((10,))
st = st.shrink(((0, Variable("i", 1, 10)),))
assert len(st.views) == 1
def test_shrink_bound(self):
st = ShapeTracker.from_shape((10,))
st = st.shrink(((0, Variable("i", 1, 10).bind(3)),))
assert len(st.views) == 1
class TestVariableMerge(unittest.TestCase):
def test_add_reshape(self):
vi = Variable("i", 1, 10)
st1 = ShapeTracker.from_shape((vi,))
st2 = ShapeTracker.from_shape((1, vi,))
st = st1+st2
assert len(st.views) == 1
def test_add_stride_0(self):
st1 = ShapeTracker.from_shape((3,), (0,))
st2 = ShapeTracker.from_shape((Variable("i", 1, 10).bind(3),), (0,))
st = st1+st2
assert len(st.views) == 1, f"multiview {st}"
def test_add_reshape_bound(self):
vi = Variable("i", 1, 10).bind(3)
st1 = ShapeTracker.from_shape((vi,))
st2 = ShapeTracker.from_shape((1, vi,))
st = st1+st2
assert len(st.views) == 1
def test_simplify(self):
vi = Variable("i", 1, 10).bind(3)
st1 = ShapeTracker.from_shape((vi,))
st2 = ShapeTracker.from_shape((1, vi,))
st = ShapeTracker((st1.views[0], st2.views[0]))
st = st.simplify()
assert len(st.views) == 1
if __name__ == '__main__':
unittest.main()
-108
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@@ -1,108 +0,0 @@
import unittest
from tinygrad.helpers import prod
from tinygrad.shape.view import View
from tinygrad.shape.shapetracker import ShapeTracker
from tinygrad import Variable
from test.unit.test_shapetracker import shapetracker_getitem
class MultiShapeTracker:
def __init__(self, sts:list[ShapeTracker]): self.sts = sts
@property
def shape(self): return self.sts[0].shape
def reshape(self, arg): self.sts = [x.reshape(arg) for x in self.sts]
def permute(self, arg): self.sts = [x.permute(arg) for x in self.sts]
def expand(self, arg): self.sts = [x.expand(arg) for x in self.sts]
def shrink(self, arg): self.sts = [x.shrink(arg) for x in self.sts]
def flip(self, arg): self.sts = [x.flip(arg) for x in self.sts]
def pad(self, arg): self.sts = [x.pad(arg) for x in self.sts]
def st_equal(st1:ShapeTracker, st2:ShapeTracker) -> bool:
if st1.shape != st2.shape: return False
if st1 == st2: return True
for i in range(0, prod(st1.shape)):
st1_off, st1_v = shapetracker_getitem(st1, i)
st2_off, st2_v = shapetracker_getitem(st2, i)
if st1_v != st2_v or (st1_off != st2_off and st1_v):
print(f"ST MISMATCH @ {i}, {st1_v=} != {st2_v=}, {st1_off=} != {st2_off=}")
print(st1)
print(st2)
return False
return True
class TestShapeTrackerBasics(unittest.TestCase):
def test_pad_shrink_removes_mask(self):
a = ShapeTracker.from_shape((10, 10))
a = a.pad(((0,2), (0,2)))
a = a.shrink(((0,10), (0,10)))
assert len(a.views) == 1 and a.views[-1].mask is None
def test_pad_shrink_leaves_mask(self):
a = ShapeTracker.from_shape((10, 10))
a = a.pad(((0,2), (0,2)))
a = a.shrink(((0,10), (0,11)))
assert len(a.views) == 1 and a.views[-1].mask is not None
def test_reshape_makes_same(self):
a = ShapeTracker.from_shape((2, 5))
x = a.pad( ((2, 0), (0, 0)) )
x = x.reshape( (2, 2, 5) )
x1 = x.reshape( (4, 5) )
x1 = x1.reshape( (2, 2, 5) )
assert x == x1.simplify()
def test_simplify_is_correct(self):
multiv = ShapeTracker(views=(View(shape=(15, 3), strides=(9, 1), offset=6, mask=None, contiguous=False),
View(shape=(4, 3), strides=(12, 4), offset=0, mask=None, contiguous=False)))
assert st_equal(multiv, multiv.simplify())
class TestShapeTrackerAdd(unittest.TestCase):
def test_simple_add_reshape(self):
a = ShapeTracker.from_shape((10, 10))
a = a.reshape((100,))
b = ShapeTracker.from_shape((100,))
assert a+b == b
@unittest.skip("no longer simplifies")
def test_simple_add_permute(self):
a = ShapeTracker.from_shape((10, 10))
a = a.permute((1,0))
b = ShapeTracker.from_shape((10, 10))
b = b.permute((1,0))
assert a+b == ShapeTracker.from_shape((10, 10))
def test_plus_real1(self):
st = MultiShapeTracker([ShapeTracker.from_shape((15, 9))])
st.shrink( ((0, 15), (6, 9)) )
backup = st.sts[0]
st.sts.append(ShapeTracker.from_shape(backup.shape))
st.reshape( (45,) )
st.flip( (True,) )
st.reshape( (15, 3) )
assert st_equal(backup + st.sts[1], st.sts[0])
def test_off_by_one(self):
st1 = ShapeTracker(views=(View(shape=(5,), strides=(1,), offset=0, mask=None, contiguous=True),
View(shape=(5,), strides=(1,), offset=0, mask=None, contiguous=True)))
st2 = ShapeTracker(views=(View(shape=(4,), strides=(1,), offset=0, mask=None, contiguous=True),
View(shape=(5,), strides=(1,), offset=0, mask=None, contiguous=True)))
assert not (st_equal(st1, st2))
class TestShapeTrackerAddVariable(unittest.TestCase):
def test_merge_symbolic_views(self):
var_i = Variable('i', 1, 10)
var_j = Variable('i', 1, 10)
vm1 = View(shape=(var_i, var_j, 3), strides=(3, 0, 1), offset=0, mask=None, contiguous=False)
vm2 = View(shape=(var_i, var_j, 3), strides=(var_j*3, 3, 1), offset=0, mask=None, contiguous=True)
ShapeTracker((vm1,)) + ShapeTracker((vm2,))
def test_merge_symbolic_views_2(self):
var_i = Variable('i', 1, 10)
var_j = Variable('j', 1, 10)
vm1 = View(shape=(var_i, var_j), strides=(0, 0), offset=0, mask=None, contiguous=False)
vm2 = View(shape=(var_i, var_j), strides=(var_j, 1), offset=0, mask=None, contiguous=True)
ret = (ShapeTracker((vm1,)) + ShapeTracker((vm2,))).reshape((var_i, var_j, 1))
ret_2 = ShapeTracker((vm1,)) + ShapeTracker((vm2,)).reshape((var_i, var_j, 1))
assert ret == ret_2
if __name__ == '__main__':
unittest.main()
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@@ -1,5 +1,4 @@
import unittest
from tinygrad.shape.shapetracker import ShapeTracker, View
from tinygrad import Variable
from tinygrad.tensor import Tensor
@@ -7,40 +6,6 @@ class TestSymbolic(unittest.TestCase):
def assert_tuple_equal(self, x, y):
for a,b in zip(x,y): self.assertFalse(a != b)
def test_symbolic_st(self):
x = Variable("x", 1, 100)
st = ShapeTracker.from_shape((x, 3))
self.assert_tuple_equal(st.shape, (x, 3))
self.assert_tuple_equal(st.is_expanded(), (False, False))
def test_is_expanded_0(self):
st = ShapeTracker(views=(View(shape=(2, (Variable('start_pos', 1, 8)+1), 1, 1), strides=(8, 1, 0, 0), offset=0, mask=((0, 2), (0, Variable('start_pos', 1, 8)), (0, 1), (0, 1)), contiguous=False), View(shape=(2, (Variable('start_pos', 1, 8)+1)), strides=((Variable('start_pos', 1, 8)+1), 1), offset=0, mask=None, contiguous=True))) # noqa: E501
self.assert_tuple_equal(st.is_expanded(), (False, False))
def test_is_expanded_1(self):
st = ShapeTracker(views=(View(shape=(3, (Variable('i', 1, 10)+2)), strides=(Variable('i', 1, 10), 1), offset=0, mask=((0, 3), (0, Variable('i', 1, 10))), contiguous=False),)) # noqa: E501
self.assert_tuple_equal(st.is_expanded(), (False, False))
def test_is_expanded_2(self):
st = ShapeTracker(views=(View(shape=(3, (Variable('i', 1, 10)+Variable('j', 1, 10))), strides=(Variable('i', 1, 10), 1), offset=0, mask=((0, 3), (0, Variable('i', 1, 10))), contiguous=False),)) # noqa: E501
self.assert_tuple_equal(st.is_expanded(), (False, False))
def test_merge_view_recursion_err(self):
vm2 = View(shape=(Variable('j', 1, 10),), strides=(0,), offset=0, mask=None, contiguous=False)
vm1 = View(shape=(1,), strides=(0,), offset=0, mask=None, contiguous=True)
self.assertEqual(vm2+vm1, None)
def test_merge_view_recursion_err2(self):
vm2 = View(shape=(Variable('a', 1, 10).bind(4),), strides=(0,), offset=0, mask=None, contiguous=False)
# NOTE: vm1 is different from what create function would give, and this test vm2+vm1 halts
vm1 = View(shape=(Variable('a', 1, 10).bind(4),), strides=(1,), offset=0, mask=((0, Variable('a', 1, 10).bind(4)),), contiguous=False)
self.assertEqual(vm2+vm1, None)
vm3 = View.create(shape=(Variable('a', 1, 10).bind(4),))
self.assertEqual(vm3.shape, vm1.shape)
self.assertEqual(vm3.strides, vm1.strides)
self.assertEqual(vm2+vm3, vm2)
def test_cat_dim0_is_expanded(self):
i = Variable("i", 1, 5).bind(3)
j = Variable("j", 1, 5).bind(3)
@@ -59,46 +24,6 @@ class TestSymbolic(unittest.TestCase):
class TestSymbolicVarVals(unittest.TestCase):
def assert_equal(self, x, y): self.assertFalse(x != y)
def test_var_vals_empty(self):
assert ShapeTracker.from_shape((3, 4, 5)).var_vals == {}
def test_var_vals_shape(self):
x = Variable("x", 1, 100).bind(3)
assert ShapeTracker.from_shape((x, 3)).var_vals == {"x": 3}
def test_var_vals_offset(self):
x = Variable("x", 1, 100).bind(3)
st = ShapeTracker.from_shape((4, 3)).shrink(((x, x+1), (0, 3)))
self.assert_equal(st.views[-1].offset, x * 3)
assert st.var_vals == {"x": 3}
def test_var_vals_mask(self):
x = Variable("x", 1, 100).bind(3)
view = View.create(shape=(3,4), strides=(4,1), offset=0, mask=((0, x), (0, 4)))
st = ShapeTracker(views=(view,))
assert st.var_vals == {"x": 3}
def test_var_vals_complex(self):
x = Variable("x", 1, 100).bind(3)
y = Variable("y", 1, 100).bind(4)
z = Variable("z", 1, 100).bind(5)
st = ShapeTracker.from_shape((x, 5, y)).shrink(((0, x), (z, z+1), (0, 3)))
self.assert_equal(st.views[-1].offset, y * z)
assert st.var_vals == {"x": 3, "y": 4, "z": 5}
def test_shrink_reshape(self):
x = Variable("x", 1, 100).bind(3)
st = ShapeTracker.from_shape((10, 10, 10)).shrink(((x, x+3), (3, 7), (2, 5)))
st = st.reshape((3*4*3,))
assert st.var_vals == {"x": 3}
class TestShapeTrackerUnbind(unittest.TestCase):
def test_view_unbind(self):
v = Variable("v", 1, 100)
bv = Variable("v", 1, 100).bind(3)
unbound_view, var_val = View.create(shape=(bv, 4)).unbind()
assert unbound_view == View.create(shape=(v, 4))
assert var_val == {v: 3}
def test_shrink_unbind(self):
v = Variable("v", 1, 100)
@@ -137,17 +62,6 @@ class TestSymbolicReshape(unittest.TestCase):
ret = ret.reshape(1, vi*vj)
assert ret.shape == (1, vi*vj)
def test_symbolic_mask(self):
# taken from gpt2 single kvcache
# these two caused problems in gpt2 if reshape merged views
view = View(shape=(1, (Variable('start_pos', 1, 128).bind(2)+1), 16, 64), strides=(0, 0, 64, 1), offset=1024, mask=((0, 1), (Variable('start_pos', 1, 128).bind(2), (Variable('start_pos', 1, 128).bind(2)+1)), (0, 16), (0, 64)), contiguous=False) # noqa: E501
new_shape = (1, 1, (Variable('start_pos', 1, 128).bind(2)+1), 16, 64)
assert view.reshape(new_shape) is None
view = View(shape=(2, 1, (Variable('start_pos', 1, 128)+1), 16, 64), strides=(0, 0, 1024, 64, 1), offset=131072, mask=((1, 2), (0, 1), (0, (Variable('start_pos', 1, 128)+1)), (0, 16), (0, 64)), contiguous=False) # noqa: E501
new_shape = (2, (Variable('start_pos', 1, 128)+1), 16, 64)
assert view.reshape(new_shape) is None
class TestSymbolicExpand(unittest.TestCase):
def test_expand_into_symbols(self):
vi = Variable("i", 1, 5).bind(3)
@@ -190,6 +104,5 @@ class TestSymbolicPad(unittest.TestCase):
t = t[:9]
assert t.tolist() == [0,0,0,0,1,1,1,1,1]
if __name__ == '__main__':
unittest.main()
-73
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@@ -1,73 +0,0 @@
#!/usr/bin/env python
import unittest
from tinygrad.shape.view import View, merge_dims
# from tinygrad.shape.shapetracker import ShapeTracker
class TestView(unittest.TestCase):
def test_canonicalize_empty_mask(self):
v = View.create(shape=(2,2,2), strides=(4,2,1), mask=((0,2),(0,2),(0,2)))
self.assertIsNone(v.mask)
v = View.create(shape=(4,3,2), strides=(1,4,10), mask=((0,4),(0,3),(0,2)))
self.assertIsNone(v.mask)
def test_empty_mask_contiguous(self):
v1 = View.create(shape=(2,2,2), strides=(4,2,1), mask=None)
v2 = View.create(shape=(2,2,2), strides=(4,2,1), mask=((0,2),(0,2),(0,2)))
self.assertEqual(v1.contiguous, v2.contiguous)
v1 = View.create(shape=(1,1,1,4), strides=(0,0,0,1), offset=0, mask=None)
v2 = View.create(shape=(1,1,1,4), strides=(0,0,0,1), offset=0, mask=((0,1),(0,1),(0,1),(0,4)))
self.assertEqual(v1.contiguous, v2.contiguous)
v = View.create(shape=(2,3,4), mask=((0,2),(0,3),(0,4)))
self.assertTrue(v.contiguous)
def test_reshape_all_invalid(self):
v = View.create((4,5), mask=((0,0), (0,0))).reshape((20,))
self.assertIsNotNone(v)
self.assertEqual(v, View.create((20,), mask=((0,0),)))
def test_add_0(self):
v1 = View.create((2,3,4))
v2 = View.create((2,0,4))
self.assertEqual(v2, v1+v2)
def test_add_0_masked(self):
v1 = View.create((2,3,4), mask=((0, 0), (0, 0), (0, 0)))
v2 = View.create((2,0,4))
self.assertEqual(v2, v1+v2)
class TestMergeDims(unittest.TestCase):
def test_contiguous(self):
shape = (2, 3, 4)
strides = (12, 4, 1) #=strides_for_shape(shape)
m = merge_dims(shape, strides)
self.assertEqual(m, ((24, 1, 24),))
def test_0_in_strides(self):
shape = (2, 3, 4)
self.assertEqual(merge_dims(shape, (0, 4, 1)), ((2, 0, 0), (12, 1, 12)))
self.assertEqual(merge_dims(shape, (0, 0, 1)), ((6, 0, 0), (4, 1, 4)))
self.assertEqual(merge_dims(shape, (3, 1, 0)), ((6, 1, 6), (4, 0, 4)))
self.assertEqual(merge_dims(shape, (0, 0, 0)), ((24, 0, 0),))
def test_pad(self):
# print(ShapeTracker.from_shape((1, 2)).pad(((1, 0), (0, 1))).views[-1])
self.assertEqual(merge_dims((2, 3), (0, 1), ((1, 2), (0, 2))), ((6, 1, 3),))
# print(f"{ShapeTracker.from_shape((1, 1, 2)).pad(((1, 0), (1, 0), (0, 1))).views[-1]}")
self.assertEqual(merge_dims((2, 2, 3), (0, 0, 1), ((1, 2), (1, 2), (0, 2))), ((12, 1, 3),))
# print(f"{ShapeTracker.from_shape((1, 1, 2, 2)).pad(((1, 0), (1, 0), (0, 1), (0, 1))).views[-1]}")
self.assertEqual(merge_dims((2, 2, 3, 3), (0, 0, 2, 1), ((1, 2), (1, 2), (0, 2), (0, 2))), ((12, 2, 3), (3, 1, 3)))
# print(f"{ShapeTracker.from_shape((2, 1, 2)).pad(((0, 0), (1, 0), (0, 1))).views[-1]}")
self.assertEqual(merge_dims((2, 2, 3), (2, 0, 1), ((0, 2), (1, 2), (0, 2))), ((2, 2, 2), (6, 1, 3)))
def test_different_1_pad(self):
# print(f"{ShapeTracker.from_shape((2, 2, 1)).pad(((0, 0), (0, 0), (0, 1))).views[-1]}")
self.assertEqual(merge_dims((2, 2, 2), (2, 1, 0), ((0, 2), (0, 2), (0, 1))), ((4, 1, 4), (2, 0, 2)))
# print(f"{ShapeTracker.from_shape((2, 1, 1)).pad(((0, 0), (0, 1), (0, 1))).views[-1]}")
self.assertEqual(merge_dims((2, 2, 2), (1, 0, 0), ((0, 2), (0, 2), (0, 1))), ((2, 1, 2), (4, 0, 4)))
if __name__ == '__main__':
unittest.main()
+11 -1
View File
@@ -2,7 +2,7 @@ from __future__ import annotations
import os, functools, platform, time, re, contextlib, operator, hashlib, pickle, sqlite3, tempfile, pathlib, string, ctypes, sys, gzip, getpass
import urllib.request, subprocess, shutil, math, types, copyreg, inspect, importlib, decimal, itertools
from dataclasses import dataclass, field
from typing import ClassVar, Iterable, Any, TypeVar, Callable, Sequence, TypeGuard, Iterator, Generic, Generator
from typing import ClassVar, Iterable, Any, TypeVar, Callable, Sequence, TypeGuard, Iterator, Generic, Generator, cast
T = TypeVar("T")
U = TypeVar("U")
@@ -86,6 +86,16 @@ def word_wrap(x, wrap=80):
return x[:i] + "\n" + word_wrap(x[i:], wrap)
def pad_bytes(b:bytes, align:int) -> bytes: return b + b'\x00' * ((align - (len(b) % align)) % align)
@functools.cache
def canonicalize_strides(shape:tuple[T, ...], strides:tuple[T, ...]) -> tuple[T, ...]:
return tuple(cast(T, 0) if s == 1 else st for s, st in zip(shape, strides))
@functools.cache
def strides_for_shape(shape:tuple[T, ...]) -> tuple[T, ...]:
if not shape: return ()
strides = tuple(itertools.accumulate(reversed(shape[1:]), operator.mul, initial=1))[::-1]
return canonicalize_strides(shape, strides)
# returns the axes to create new_shape if new_shape can be created by combining axis from old_shape
def get_contraction(old_shape:tuple[T, ...], new_shape:tuple[T, ...]) -> list[list[int]]|None: # T is sint
acc_old, acc_new = list(itertools.accumulate(old_shape, operator.mul)), list(itertools.accumulate(new_shape, operator.mul))
+1 -2
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@@ -3,8 +3,7 @@ from collections import OrderedDict
from typing import Any, Callable, BinaryIO, Iterable
from tinygrad.tensor import Tensor
from tinygrad.dtype import dtypes
from tinygrad.helpers import prod, argsort, DEBUG, Timing, CI, unwrap, GlobalCounters, tqdm, round_up, T
from tinygrad.shape.view import strides_for_shape
from tinygrad.helpers import prod, argsort, DEBUG, Timing, CI, unwrap, GlobalCounters, tqdm, round_up, T, strides_for_shape
class TensorIO(io.RawIOBase, BinaryIO):
def __init__(self, t: Tensor):
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-81
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@@ -1,81 +0,0 @@
# ShapeTracker allows movement operations to a buffer that don't require a copy to be made.
from __future__ import annotations
from dataclasses import dataclass
import functools
from typing import Callable
from tinygrad.helpers import merge_dicts, getenv
from tinygrad.shape.view import View, unravel
from tinygrad.uop.symbolic import sym
from tinygrad.uop.ops import UOp, Ops, graph_rewrite, Variable, sint, sint_to_uop, Context
@functools.cache
def views_to_valid_uop(views: tuple[View, ...], _idxs:tuple[UOp, ...]|None=None) -> UOp:
idx = views[-1].to_valid_uop(_idxs)
for view in reversed(views[0:-1]):
idx = view.to_valid_uop([sint_to_uop(i) for i in unravel(view.shape, idx)])
with Context(TRACK_MATCH_STATS=0):
return graph_rewrite(idx, sym, name="indexing sym @ 1")
@functools.cache
def views_to_is_expanded(views: tuple[View, ...]) -> tuple[bool, ...]:
# NOTE: return if each dim is expanded
if len(views) == 1 and views[-1].mask is None: return tuple([bool(st==0) for st in views[-1].strides])
idx = views_to_valid_uop(views).get_idx()
used_ranges = [x.arg[0] for x in idx.toposort() if x.op is Ops.RANGE]
return tuple([i not in used_ranges for i in range(len(views[-1].shape))])
@dataclass(frozen=True, order=True)
class ShapeTracker:
views: tuple[View, ...]
def __add__(self, st:ShapeTracker) -> ShapeTracker:
ret = self
for v in st.views: ret = ShapeTracker(ret.views + (v,)).simplify() # one view at a time = better simplification
return ret
@staticmethod
def from_shape(shape:tuple[sint, ...], strides:tuple[sint, ...]|None=None) -> ShapeTracker: return ShapeTracker((View.create(shape, strides),))
@property
def contiguous(self) -> bool: return len(self.views) == 1 and self.views[0].contiguous
@property
def shape(self) -> tuple[sint, ...]: return self.views[-1].shape
@property
def size(self) -> int: return self.views[-1].size()
def vars(self) -> set[Variable]: return set().union(*[v.vars() for v in self.views])
@property
def var_vals(self) -> dict[str, int]: return merge_dicts([{(vu:=v.unbind())[0].expr:vu[1]} for v in self.vars()])
def unbind(self) -> tuple[ShapeTracker, dict[Variable, int]]:
unbound_views, var_vals = zip(*[v.unbind() for v in self.views])
if all(len(x) == 0 for x in var_vals): return self, {}
return ShapeTracker(tuple(unbound_views)), merge_dicts(var_vals)
def is_expanded(self) -> tuple[bool, ...]:
with Context(TRACK_MATCH_STATS=0): return views_to_is_expanded(self.views)
def simplify(self) -> ShapeTracker:
if len(self.views) >= 2 and (new_view := self.views[-2] + self.views[-1]) is not None:
return ShapeTracker(self.views[:-2] + (new_view,)).simplify()
return self
# *** under this line are the movement ops ***
def pad(self, arg: tuple[tuple[sint, sint], ...]) -> ShapeTracker: return ShapeTracker(self.views[0:-1] + (self.views[-1].pad(arg), ))
def shrink(self, arg: tuple[tuple[sint, sint], ...]) -> ShapeTracker: return ShapeTracker(self.views[0:-1] + (self.views[-1].shrink(arg), ))
def expand(self, new_shape: tuple[sint, ...]) -> ShapeTracker: return ShapeTracker(self.views[0:-1] + (self.views[-1].expand(new_shape), ))
def permute(self, axis: tuple[int, ...]) -> ShapeTracker: return ShapeTracker(self.views[0:-1] + (self.views[-1].permute(axis), ))
def flip(self, mul: tuple[int, ...]) -> ShapeTracker: return ShapeTracker(self.views[0:-1] + (self.views[-1].flip(mul), ))
def reshape(self, new_shape: tuple[sint, ...]) -> ShapeTracker:
if getenv("MERGE_VIEW", 1) and (new_view := self.views[-1].reshape(new_shape)) is not None: return ShapeTracker(self.views[0:-1] + (new_view,))
return ShapeTracker(self.views + (View.create(new_shape), ))
def mop(self, op, arg): return mops[op](self, arg)
mops: dict[Ops, Callable] = {Ops.RESHAPE: ShapeTracker.reshape, Ops.PERMUTE: ShapeTracker.permute, Ops.EXPAND: ShapeTracker.expand,
Ops.SHRINK: ShapeTracker.shrink, Ops.FLIP: ShapeTracker.flip, Ops.PAD: ShapeTracker.pad}
-261
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@@ -1,261 +0,0 @@
from __future__ import annotations
import functools, operator, itertools
from dataclasses import dataclass
from typing import cast, Sequence
from tinygrad.dtype import dtypes
from tinygrad.uop.ops import resolve, UOp, Variable, sint, smax, smin, sint_to_uop, Ops, ssimplify
from tinygrad.helpers import prod, all_int, flatten
@functools.cache
def canonicalize_strides(shape:tuple[sint, ...], strides:tuple[sint, ...]) -> tuple[sint, ...]:
return tuple(0 if s == 1 else st for s, st in zip(shape, strides))
@functools.cache
def strides_for_shape(shape:tuple[sint, ...]) -> tuple[sint, ...]:
if not shape: return ()
strides = tuple(itertools.accumulate(reversed(shape[1:]), operator.mul, initial=1))[::-1]
return canonicalize_strides(shape, strides)
@functools.cache
def merge_dims(shape:tuple[int, ...], strides:tuple[int, ...], mask:tuple[tuple[int, int], ...]|None=None) -> tuple[tuple[int, int, int], ...]:
# merge contiguous sub-parts or zero strided dims
# any stride 0, masked from dim=1, or contiguous part is merged into next dim.
# stride != 0 to stride == 0 starts a new merging block
# ret = tuple[(merged_size, stride, merged size w/o zero stride), ...]
if not shape: return ()
assert len(shape) == len(strides) and (mask is None or len(shape) == len(mask))
ret = [(shape[0], strides[0], shape[0] if strides[0] != 0 else 0)]
# merge this dim to next dim if size is 1
merging = (mask[0][1] - mask[0][0] == 1) if mask is not None else shape[0] == 1
for i, (s, st) in enumerate(zip(shape[1:], strides[1:]), start=1):
# always merge 1
if s == 1: continue
last_s, last_st, last_pre_expand_s = ret[-1]
# merge last dim with this dim if merging or strides matched
if merging or last_st == s * st: ret[-1] = (last_s * s, st, (s if merging else last_pre_expand_s * s))
else: ret.append((s, st, s))
# merge this dim to next dim if size is 1
merging = (mask[i][1] - mask[i][0] == 1) if mask is not None else s == 1
return tuple(ret)
@functools.cache
def _reshape_mask(_mask:tuple[tuple[sint, sint], ...]|None, old_shape:tuple[sint, ...], new_shape:tuple[sint, ...]) \
-> tuple[tuple[sint, sint], ...]|None:
"""Returns the new mask if reshape is possible, and None if not possible."""
if _mask is None: return tuple((0, s) for s in new_shape)
if not all_int(flatten(_mask)): return None
new_mask: list[tuple[int, int]] = []
# _mask is all int here
r_masks, r_shape, r_new_shape = reversed(cast(tuple[tuple[int, int], ...], _mask)), reversed(old_shape), reversed(new_shape)
curr_stride, old_dim, new_dim, mask = 1, next(r_shape, 1), next(r_new_shape, 1), next(r_masks, (0,1))
while len(new_mask) < len(new_shape):
(l, r), next_stride = mask, ssimplify(new_dim * curr_stride)
# need to split mask
if old_dim == next_stride: # simply copy the mask and get next batch for merging
new_mask.append((l // curr_stride, (r - 1) // curr_stride + 1))
curr_stride, old_dim, new_dim, mask = 1, next(r_shape, 1), next(r_new_shape, 1), next(r_masks, (0,1))
elif old_dim > next_stride: # mask can only be splitted if reshape doesn't cut across the mask.
if old_dim % next_stride != 0: return None
if (l % next_stride != 0 or r % next_stride != 0) and l // next_stride != (r - 1) // next_stride: return None
new_mask.append((l % next_stride // curr_stride, (r - 1) % next_stride // curr_stride + 1))
curr_stride, new_dim = next_stride, next(r_new_shape, 1) # need to get mask for next dimension
else:
next_mask = next(r_masks, (0, 1))
# combine if the mask can unfold continuously
if mask != (0, old_dim) and l != r and next_mask[1] - next_mask[0] != 1: return None
mask, old_dim = (next_mask[0] * old_dim + l, (next_mask[1] - 1) * old_dim + r), ssimplify(old_dim * next(r_shape, 1))
return tuple(reversed(new_mask))
def unravel(shape:tuple[sint, ...], offset:sint) -> list[sint]:
# find the position of offset on each dimension based on shape
# similar to unravel_index in numpy/torch
acc, idxs = 1, []
for d in reversed(shape):
idxs.append((offset//acc)%d)
acc *= d
return idxs[::-1]
@dataclass(frozen=True)
class View:
shape:tuple[sint, ...]
strides:tuple[sint, ...]
offset:sint
mask:tuple[tuple[sint, sint], ...]|None
contiguous:bool
def to_valid_uop(self, idxs:Sequence[UOp]|None=None) -> UOp:
"""valid.where(idx, INVALID)"""
if idxs is None: idxs = [UOp.range(s, i) for i,s in enumerate(self.shape)]
iexpr = sint_to_uop(self.offset)
where = UOp.const(dtypes.bool, True)
for idx,sh,st,m in zip(idxs, self.shape, self.strides, self.mask if self.mask is not None else itertools.repeat(None)):
iexpr = iexpr + idx*sint_to_uop(st)
if m is not None:
if resolve(m[0] != 0): where &= (idx >= sint_to_uop(m[0]))
if resolve(m[1] != sh): where &= (idx < sint_to_uop(m[1]))
return where.where(iexpr, UOp.invalid())
@functools.cache # pylint: disable=method-cache-max-size-none
def size(self) -> int:
ret = prod([x.vmax if isinstance(x, UOp) else x for x in self.shape])
assert isinstance(ret, int), f"{ret=} is not int"
return ret
@staticmethod
@functools.cache
def create(shape:tuple[sint, ...], strides:tuple[sint, ...]|None=None, offset:sint=0, mask:tuple[tuple[sint, sint], ...]|None=None):
# TODO: resolve shouldn't be needed here
if not all(resolve(s >= 0) for s in shape): raise ValueError(f"Trying to create View with negative dimension: {shape=}")
strides = canonicalize_strides(shape, strides) if strides else strides_for_shape(shape)
# canonicalize 0 in shape
if 0 in shape: return View(shape, (0,) * len(shape), offset=0, mask=None, contiguous=True)
# canonicalize no-op mask
if mask is not None and all(m == (0,s) for m,s in zip(mask, shape)): mask = None
# if any dimension has size >1, but is masked such that only one index in the dimension is unmasked
# then its stride can also be set to 0, albeit with a corresponding adjustment required to the offset
if mask and any(elim := [not resolve(b+1 < e) for b,e in mask]):
if any(not resolve(b < e) for b,e in mask):
strides, offset, mask = (0,) * len(shape), 0, ((0,0),) * len(shape)
offset += sum((strides[i] * mask[i][0]) if e else 0 for i, e in enumerate(elim))
strides = tuple(0 if e else st for st,e in zip(strides, elim))
# simplify as we go
if isinstance(offset, UOp): offset = cast(sint, offset.ssimplify())
shape = tuple(cast(sint, x.ssimplify()) if isinstance(x, UOp) else x for x in shape)
# TODO: enabling stride simplification breaks symbolic jit
"""
strides = tuple(x.ssimplify() if isinstance(x, UOp) else x for x in strides)
if mask: mask = tuple((s.ssimplify() if isinstance(s, UOp) else s, e.ssimplify() if isinstance(e, UOp) else e) for s,e in mask)
"""
contiguous = offset == 0 and mask is None and strides == strides_for_shape(shape)
return View(shape, strides, offset, mask, contiguous)
@functools.cache # pylint: disable=method-cache-max-size-none
def vars(self) -> set[Variable]:
flatten_mask = tuple(x for m in self.mask for x in m) if self.mask is not None else tuple()
return functools.reduce(operator.or_, [x.vars() for x in self.shape+self.strides+(self.offset,)+flatten_mask if isinstance(x, UOp)], set())
@functools.cache # pylint: disable=method-cache-max-size-none
def unbind(self) -> tuple[View, dict[Variable, int]]:
var_unboundvar_val = [(v, v.unbind()) for v in self.vars() if v.op is Ops.BIND]
unbound_vars = {v:uv for v,(uv,_) in var_unboundvar_val}
return self.substitute(unbound_vars), dict(x[1] for x in var_unboundvar_val)
def substitute(self, dvars:dict[UOp, UOp]):
def _substitute(x:sint): return x if isinstance(x, int) else x.substitute(dvars)
new_shape = tuple(map(_substitute, self.shape))
new_strides = tuple(map(_substitute, self.strides))
new_offset = _substitute(self.offset)
new_mask = tuple((_substitute(x[0]), _substitute(x[1])) for x in self.mask) if self.mask is not None else None
return View.create(new_shape, new_strides, new_offset, new_mask)
@functools.cache # pylint: disable=method-cache-max-size-none
def __add__(self, vm1:View) -> View|None:
vm2 = self
if vm2.contiguous or vm1.size() == 0: return vm1
if vm1.contiguous and vm1.shape == vm2.shape: return vm2
if vm1.contiguous and vm1.size() == vm2.size() and (ret := vm2.reshape(vm1.shape)) is not None: return ret
if vm1.mask:
if (new_vm1 := vm1.shrink(vm1.mask)) == vm1 or (merged := vm2 + new_vm1) is None: return None
return merged.pad(tuple((b,s-e) for (b,e),s in zip(vm1.mask, vm1.shape)))
if not all_int(vm1.shape):
# if all strides are 0 and vm2 is unmasked, return vm1
if all(x == 0 for x in vm2.strides+vm1.strides) and vm2.mask is None: return vm1
return None
# Project vm1's offset and strides on to vm2.
origin = [ssimplify(o) for o in unravel(vm2.shape, vm1.offset)]
terms: list[list[tuple[int, sint]]] = [[] for _ in vm2.shape]
strides: list[sint] = [0] * len(vm1.shape)
for d1, st in enumerate(vm1.strides):
if st == 0: continue
for d2, (o, s1) in enumerate(zip(origin, unravel(vm2.shape, vm1.offset + st))):
if not resolve((s1 := s1 - o)!=0): continue # if s1 can possibly be 0
terms[d2].append((d1, s1))
strides[d1] += ssimplify(s1 * vm2.strides[d2])
return None
def __unsafe_resize(self, arg: tuple[tuple[sint, sint], ...], mask=None) -> View:
offset = sum([s * x[0] for s, x in zip(self.strides,arg)])
if self.mask:
# move the old mask
nmask = tuple([(smax(0, smin(mx-ax,ay-ax)), smax(0, smin(my-ax,ay-ax))) for (mx,my),(ax,ay) in zip(self.mask, arg)])
# merge the masks if we have two
mask = tuple([(smax(mx1, mx2), smin(my1, my2)) for (mx1, my1), (mx2, my2) in zip(nmask, mask)]) if mask is not None else nmask
return View.create(tuple([y-x for x,y in arg]), self.strides, self.offset+offset, mask)
@functools.cache # pylint: disable=method-cache-max-size-none
def pad(self, arg: tuple[tuple[sint, sint], ...]) -> View:
assert len(arg) == len(self.shape), f"invalid pad {arg} for {self.shape}"
# NOTE: not checking for symbolic arg
for b,e in arg: assert not all_int([b,e]) or b>=0 and e>=0, f"invalid pad {arg} for {self.shape}"
if any(resolve(b!=0) or resolve(e!=0) for b, e in arg):
zvarg = tuple([(-b,s+e) for s,(b,e) in zip(self.shape, arg)])
mask = tuple([(b,s+b) for s,(b,_) in zip(self.shape, arg)])
return self.__unsafe_resize(zvarg, mask=mask)
return self
@functools.cache # pylint: disable=method-cache-max-size-none
def shrink(self, arg: tuple[tuple[sint, sint], ...]) -> View:
assert len(arg) == len(self.shape), f"invalid shrink {arg} for {self.shape}"
# NOTE: not checking for symbolic arg
for s,(b,e) in zip(self.shape,arg): assert not all_int([s,b,e]) or (0<=b<=e<=s), f"invalid shrink {arg} for {self.shape}"
return self.__unsafe_resize(arg)
@functools.cache # pylint: disable=method-cache-max-size-none
def expand(self, new_shape: tuple[sint, ...]) -> View:
if len(new_shape) != len(self.shape): raise ValueError(f"expand arg {new_shape=} must have same number of dimensions as shape {self.shape=}")
# NOTE: does not check multiple of symbolic shape
assert all(resolve(s == ns) or s == 1 for s,ns in zip(self.shape, new_shape)), f"can't expand {self.shape} into {new_shape}"
if 0 in self.shape: return View.create(new_shape)
# TODO: resolve may not be needed, but it's hard because vars need to be canonicalized
mask = tuple([(((0,0) if m != (0,1) else (0,ns)) if resolve(s != ns) and resolve(s == 1, False) else m) \
for m,s,ns in zip(self.mask, self.shape, new_shape)]) if self.mask else None
return View.create(new_shape, self.strides, self.offset, mask)
@functools.cache # pylint: disable=method-cache-max-size-none
def permute(self, axis: tuple[int, ...]) -> View:
assert sorted(axis) == list(range(len(self.shape))), f"invalid permutation {axis} of len {len(self.shape)}"
return View.create(tuple(self.shape[a] for a in axis), tuple(self.strides[a] for a in axis), self.offset,
tuple(self.mask[a] for a in axis) if self.mask is not None else None)
@functools.cache # pylint: disable=method-cache-max-size-none
def flip(self, arg: tuple[bool, ...]) -> View:
offset = sum((s-1)*z for s,z,f in zip(self.shape, self.strides, arg) if f)
mask = tuple((s-my,s-mx) if f else (mx,my) for (mx,my),s,f in zip(self.mask, self.shape, arg)) if self.mask is not None else None
return View.create(self.shape, tuple(-z if f else z for z,f in zip(self.strides, arg)), self.offset+offset, mask)
@functools.cache # pylint: disable=method-cache-max-size-none
def reshape(self, new_shape: tuple[sint, ...]) -> View|None:
if self.shape == new_shape: return self
if not all(x >= 0 for x in new_shape): raise ValueError(f"shape can't contain negative numbers {new_shape}")
# check for the same size
if resolve(prod(self.shape) != prod(new_shape), True): raise ValueError(f"size mismatched, can't reshape {self.shape=} -> {new_shape=}")
if 0 in self.shape: return View.create(new_shape)
if new_shape == () and self.mask and any(mx==my for (mx,my) in self.mask): return None
# after the asserts, it's okay to check contiguous
if self.contiguous: return View.create(new_shape)
r_strides, r_new_shape = [], reversed(new_shape)
for merged_size, new_stride, real_size in reversed(merge_dims(self.shape, self.strides, self.mask)):
acc = 1
# TODO: third resolve shouldn't be needed
while resolve(acc <= merged_size) and resolve(acc != merged_size) and resolve((new_dim := next(r_new_shape, 0)) > 0):
r_strides.append(new_stride * acc)
acc = acc * new_dim
if not resolve(acc < real_size): new_stride = 0
if resolve(acc != merged_size): return None
new_strides = (0,) * (len(new_shape) - len(r_strides)) + tuple(r_strides[::-1])
if (new_mask:=_reshape_mask(self.mask, self.shape, new_shape)) is not None:
extra_offset = (sum(m[0] * s for m,s in zip(self.mask, self.strides)) if self.mask else 0) - \
(sum(m[0] * s for m,s in zip(new_mask, new_strides)))
return View.create(new_shape, new_strides, self.offset + extra_offset, new_mask)
return None