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__copyright__ = "Copyright (C) 2021 Kaushik Kulkarni" | ||
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__license__ = """ | ||
Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
The above copyright notice and this permission notice shall be included in | ||
all copies or substantial portions of the Software. | ||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
THE SOFTWARE. | ||
""" | ||
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import sys | ||
import numpy as np | ||
import loopy as lp | ||
import pyopencl as cl | ||
import pyopencl.clmath # noqa | ||
import pyopencl.clrandom # noqa | ||
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import logging | ||
logger = logging.getLogger(__name__) | ||
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try: | ||
import faulthandler | ||
except ImportError: | ||
pass | ||
else: | ||
faulthandler.enable() | ||
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from pyopencl.tools import pytest_generate_tests_for_pyopencl \ | ||
as pytest_generate_tests | ||
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from loopy.version import LOOPY_USE_LANGUAGE_VERSION_2018_2 # noqa | ||
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__all__ = [ | ||
"pytest_generate_tests", | ||
"cl" # "cl.create_some_context" | ||
] | ||
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def test_loop_fusion_vanilla(ctx_factory): | ||
ctx = ctx_factory() | ||
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knl = lp.make_kernel( | ||
"{[i0, i1, j0, j1]: 0 <= i0, i1, j0, j1 < 10}", | ||
""" | ||
a[i0] = 1 | ||
b[i1, j0] = 2 {id=write_b} | ||
c[j1] = 3 {id=write_c} | ||
""") | ||
ref_knl = knl | ||
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fused_chunks = lp.get_kennedy_unweighted_fusion_candidates(knl["loopy_kernel"], | ||
frozenset(["j0", "j1"])) | ||
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knl = knl.with_kernel(lp.rename_inames_in_batch(knl["loopy_kernel"], | ||
fused_chunks)) | ||
assert len(ref_knl["loopy_kernel"].all_inames()) == 4 | ||
assert len(knl["loopy_kernel"].all_inames()) == 3 | ||
assert len(knl["loopy_kernel"].id_to_insn["write_b"].within_inames | ||
& knl["loopy_kernel"].id_to_insn["write_c"].within_inames) == 1 | ||
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lp.auto_test_vs_ref(ref_knl, ctx, knl) | ||
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def test_loop_fusion_outer_iname_preventing_fusion(ctx_factory): | ||
ctx = ctx_factory() | ||
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knl = lp.make_kernel( | ||
"{[i0, j0, j1]: 0 <= i0, j0, j1 < 10}", | ||
""" | ||
a[i0] = 1 | ||
b[i0, j0] = 2 {id=write_b} | ||
c[j1] = 3 {id=write_c} | ||
""") | ||
ref_knl = knl | ||
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fused_chunks = lp.get_kennedy_unweighted_fusion_candidates(knl["loopy_kernel"], | ||
frozenset(["j0", "j1"])) | ||
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knl = knl.with_kernel(lp.rename_inames_in_batch(knl["loopy_kernel"], | ||
fused_chunks)) | ||
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assert len(knl["loopy_kernel"].all_inames()) == 3 | ||
assert len(knl["loopy_kernel"].all_inames()) == 3 | ||
assert len(knl["loopy_kernel"].id_to_insn["write_b"].within_inames | ||
& knl["loopy_kernel"].id_to_insn["write_c"].within_inames) == 0 | ||
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lp.auto_test_vs_ref(ref_knl, ctx, knl) | ||
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def test_loop_fusion_with_loop_independent_deps(ctx_factory): | ||
ctx = ctx_factory() | ||
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knl = lp.make_kernel( | ||
"{[j0, j1]: 0 <= j0, j1 < 10}", | ||
""" | ||
a[j0] = 1 | ||
b[j1] = 2 * a[j1] | ||
""", seq_dependencies=True) | ||
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ref_knl = knl | ||
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fused_chunks = lp.get_kennedy_unweighted_fusion_candidates(knl["loopy_kernel"], | ||
frozenset(["j0", "j1"])) | ||
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knl = knl.with_kernel(lp.rename_inames_in_batch(knl["loopy_kernel"], | ||
fused_chunks)) | ||
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assert len(ref_knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].all_inames()) == 1 | ||
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lp.auto_test_vs_ref(ref_knl, ctx, knl) | ||
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def test_loop_fusion_constrained_by_outer_loop_deps(ctx_factory): | ||
ctx = ctx_factory() | ||
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knl = lp.make_kernel( | ||
"{[j0, j1]: 0 <= j0, j1 < 10}", | ||
""" | ||
a[j0] = 1 {id=write_a} | ||
b = 2 {id=write_b} | ||
c[j1] = 2 * a[j1] {id=write_c} | ||
""", seq_dependencies=True) | ||
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ref_knl = knl | ||
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fused_chunks = lp.get_kennedy_unweighted_fusion_candidates(knl["loopy_kernel"], | ||
frozenset(["j0", "j1"])) | ||
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knl = knl.with_kernel(lp.rename_inames_in_batch(knl["loopy_kernel"], | ||
fused_chunks)) | ||
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assert len(ref_knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].id_to_insn["write_a"].within_inames | ||
& knl["loopy_kernel"].id_to_insn["write_c"].within_inames) == 0 | ||
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lp.auto_test_vs_ref(ref_knl, ctx, knl) | ||
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def test_loop_fusion_with_loop_carried_deps1(ctx_factory): | ||
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ctx = ctx_factory() | ||
knl = lp.make_kernel( | ||
"{[i0, i1]: 1<=i0, i1<10}", | ||
""" | ||
x[i0] = i0 {id=first_write} | ||
x[i1-1] = i1 ** 2 {id=second_write} | ||
""", | ||
seq_dependencies=True) | ||
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ref_knl = knl | ||
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fused_chunks = lp.get_kennedy_unweighted_fusion_candidates(knl["loopy_kernel"], | ||
frozenset(["i0", | ||
"i1"])) | ||
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knl = knl.with_kernel(lp.rename_inames_in_batch(knl["loopy_kernel"], | ||
fused_chunks)) | ||
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assert len(ref_knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].all_inames()) == 1 | ||
assert len(knl["loopy_kernel"].id_to_insn["first_write"].within_inames | ||
& knl["loopy_kernel"].id_to_insn["second_write"].within_inames) == 1 | ||
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lp.auto_test_vs_ref(ref_knl, ctx, knl) | ||
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def test_loop_fusion_with_loop_carried_deps2(ctx_factory): | ||
ctx = ctx_factory() | ||
knl = lp.make_kernel( | ||
"{[i0, i1]: 1<=i0, i1<10}", | ||
""" | ||
x[i0-1] = i0 {id=first_write} | ||
x[i1] = i1 ** 2 {id=second_write} | ||
""", | ||
seq_dependencies=True) | ||
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ref_knl = knl | ||
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fused_chunks = lp.get_kennedy_unweighted_fusion_candidates(knl["loopy_kernel"], | ||
frozenset(["i0", | ||
"i1"])) | ||
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knl = knl.with_kernel(lp.rename_inames_in_batch(knl["loopy_kernel"], | ||
fused_chunks)) | ||
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assert len(ref_knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].id_to_insn["first_write"].within_inames | ||
& knl["loopy_kernel"].id_to_insn["second_write"].within_inames) == 0 | ||
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lp.auto_test_vs_ref(ref_knl, ctx, knl) | ||
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def test_loop_fusion_with_indirection(ctx_factory): | ||
ctx = ctx_factory() | ||
map_ = np.random.permutation(10) | ||
cq = cl.CommandQueue(ctx) | ||
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knl = lp.make_kernel( | ||
"{[i0, i1]: 0<=i0, i1<10}", | ||
""" | ||
x[i0] = i0 {id=first_write} | ||
x[map[i1]] = i1 ** 2 {id=second_write} | ||
""", | ||
seq_dependencies=True) | ||
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ref_knl = knl | ||
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fused_chunks = lp.get_kennedy_unweighted_fusion_candidates(knl["loopy_kernel"], | ||
frozenset(["i0", | ||
"i1"])) | ||
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knl = knl.with_kernel(lp.rename_inames_in_batch(knl["loopy_kernel"], | ||
fused_chunks)) | ||
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assert len(ref_knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].all_inames()) == 2 | ||
assert len(knl["loopy_kernel"].id_to_insn["first_write"].within_inames | ||
& knl["loopy_kernel"].id_to_insn["second_write"].within_inames) == 0 | ||
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_, (out1,) = ref_knl(cq, map=map_) | ||
_, (out2,) = knl(cq, map=map_) | ||
np.testing.assert_allclose(out1, out2) | ||
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if __name__ == "__main__": | ||
if len(sys.argv) > 1: | ||
exec(sys.argv[1]) | ||
else: | ||
from pytest import main | ||
main([__file__]) | ||
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# vim: fdm=marker |