experiments/STT-tensorflow
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
STT-tensorflow/tensorflow/compiler/xla/service/slice_sinker_test.cc
Xinan Jiang 8894b9253f modify slice sinker comments and UT name
2019-06-01 09:25:32 +08:00

518 lines
22 KiB
C++
Raw Permalink Blame History

/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
#include "tensorflow/compiler/xla/service/slice_sinker.h"
#include <memory>
#include <vector>
#include "tensorflow/compiler/xla/layout_util.h"
#include "tensorflow/compiler/xla/literal_util.h"
#include "tensorflow/compiler/xla/service/hlo_computation.h"
#include "tensorflow/compiler/xla/service/hlo_dce.h"
#include "tensorflow/compiler/xla/service/hlo_instruction.h"
#include "tensorflow/compiler/xla/service/hlo_module.h"
#include "tensorflow/compiler/xla/service/hlo_opcode.h"
#include "tensorflow/compiler/xla/service/hlo_parser.h"
#include "tensorflow/compiler/xla/service/pattern_matcher.h"
#include "tensorflow/compiler/xla/service/pattern_matcher_gmock.h"
#include "tensorflow/compiler/xla/shape_util.h"
#include "tensorflow/compiler/xla/tests/hlo_test_base.h"
#include "tensorflow/compiler/xla/types.h"
#include "tensorflow/core/lib/core/status_test_util.h"
#include "tensorflow/core/platform/types.h"
namespace xla {
namespace {
namespace m = match;
using ::testing::ElementsAre;
class SliceSinkerTest : public HloTestBase {};
TEST_F(SliceSinkerTest, TernaryOperation) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = pred[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
p2 = f32[8,9] parameter(2)
s00 = pred[2,9] slice(pred[8,9] p0), slice={[0:2], [0:9]}
s01 = pred[6,9] slice(pred[8,9] p0), slice={[2:8], [0:9]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[6,9] slice(f32[8,9] p1), slice={[2:8], [0:9]}
s20 = f32[2,9] slice(f32[8,9] p2), slice={[0:2], [0:9]}
s21 = f32[6,9] slice(f32[8,9] p2), slice={[2:8], [0:9]}
sel0 = f32[2,9] select(pred[2,9] s00, f32[2,9] s10, f32[2,9] s20)
sel1 = f32[6,9] select(pred[6,9] s01, f32[6,9] s11, f32[6,9] s21)
ROOT tuple = (f32[2,9], f32[6,9]) tuple(sel0, sel1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_TRUE(result);
HloInstruction* inst = module->entry_computation()->root_instruction();
const HloInstruction* slice0;
const HloInstruction* slice1;
EXPECT_THAT(inst,
GmockMatch(m::Tuple(
m::Slice(&slice0, m::Select(m::Parameter(0), m::Parameter(1),
m::Parameter(2))),
m::Slice(&slice1, m::Select(m::Parameter(0), m::Parameter(1),
m::Parameter(2))))));
EXPECT_THAT(slice0->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice0->slice_limits(), ElementsAre(2, 9));
EXPECT_THAT(slice0->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice1->slice_starts(), ElementsAre(2, 0));
EXPECT_THAT(slice1->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice1->slice_strides(), ElementsAre(1, 1));
}
TEST_F(SliceSinkerTest, OverlappingPartialSlicesBeneficial) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[5,9] slice(f32[8,9] p0), slice={[3:8], [0:9]}
s02 = f32[8,4] slice(f32[8,9] p0), slice={[0:8], [0:4]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[5,9] slice(f32[8,9] p1), slice={[3:8], [0:9]}
s12 = f32[8,4] slice(f32[8,9] p1), slice={[0:8], [0:4]}
add0 = f32[2,9] add(f32[2,9] s00, f32[2,9] s10)
add1 = f32[5,9] add(f32[5,9] s01, f32[5,9] s11)
add2 = f32[8,4] add(f32[8,4] s02, f32[8,4] s12)
ROOT tuple = (f32[2,9], f32[5,9], f32[8,4]) tuple(add0, add1, add2)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_TRUE(result);
HloInstruction* inst = module->entry_computation()->root_instruction();
const HloInstruction* slice0;
const HloInstruction* slice1;
const HloInstruction* slice2;
EXPECT_THAT(
inst, GmockMatch(m::Tuple(
m::Slice(&slice0, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice1, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice2, m::Add(m::Parameter(0), m::Parameter(1))))));
EXPECT_THAT(slice0->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice0->slice_limits(), ElementsAre(2, 9));
EXPECT_THAT(slice0->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice1->slice_starts(), ElementsAre(3, 0));
EXPECT_THAT(slice1->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice1->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice2->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice2->slice_limits(), ElementsAre(8, 4));
EXPECT_THAT(slice2->slice_strides(), ElementsAre(1, 1));
}
TEST_F(SliceSinkerTest, SameSliceSourcesTwoPeerGroups) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[6,9] slice(f32[8,9] p0), slice={[2:8], [0:9]}
s02 = f32[8,2] slice(f32[8,9] p0), slice={[0:8], [0:2]}
s03 = f32[8,7] slice(f32[8,9] p0), slice={[0:8], [2:9]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[6,9] slice(f32[8,9] p1), slice={[2:8], [0:9]}
s12 = f32[8,2] slice(f32[8,9] p1), slice={[0:8], [0:2]}
s13 = f32[8,7] slice(f32[8,9] p1), slice={[0:8], [2:9]}
add0 = f32[2,9] add(f32[2,9] s00, f32[2,9] s10)
add1 = f32[6,9] add(f32[6,9] s01, f32[6,9] s11)
mul0 = f32[8,2] multiply(f32[8,2] s02, f32[8,2] s12)
mul1 = f32[8,7] multiply(f32[8,7] s03, f32[8,7] s13)
ROOT tuple = (f32[2,9], f32[6,9], f32[8,2], f32[8,7]) tuple(add0, add1, mul0, mul1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_TRUE(result);
HloInstruction* inst = module->entry_computation()->root_instruction();
const HloInstruction* slice0;
const HloInstruction* slice1;
const HloInstruction* slice2;
const HloInstruction* slice3;
EXPECT_THAT(
inst,
GmockMatch(m::Tuple(
m::Slice(&slice0, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice1, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice2, m::Multiply(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice3, m::Multiply(m::Parameter(0), m::Parameter(1))))));
EXPECT_THAT(slice0->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice0->slice_limits(), ElementsAre(2, 9));
EXPECT_THAT(slice0->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice1->slice_starts(), ElementsAre(2, 0));
EXPECT_THAT(slice1->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice1->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice2->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice2->slice_limits(), ElementsAre(8, 2));
EXPECT_THAT(slice2->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice3->slice_starts(), ElementsAre(0, 2));
EXPECT_THAT(slice3->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice3->slice_strides(), ElementsAre(1, 1));
}
TEST_F(SliceSinkerTest, OverlappingMultipleSlices) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[5,9] slice(f32[8,9] p0), slice={[3:8], [0:9]}
s02 = f32[3,9] slice(f32[8,9] p0), slice={[2:5], [0:9]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[5,9] slice(f32[8,9] p1), slice={[3:8], [0:9]}
s12 = f32[3,9] slice(f32[8,9] p1), slice={[2:5], [0:9]}
add0 = f32[2,9] add(f32[2,9] s00, f32[2,9] s10)
add1 = f32[5,9] add(f32[5,9] s01, f32[5,9] s11)
add2 = f32[3,9] add(f32[3,9] s02, f32[3,9] s12)
ROOT tuple = (f32[2,9], f32[5,9], f32[3,9]) tuple(add0, add1, add2)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_TRUE(result);
HloInstruction* inst = module->entry_computation()->root_instruction();
const HloInstruction* slice0;
const HloInstruction* slice1;
const HloInstruction* slice2;
EXPECT_THAT(
inst, GmockMatch(m::Tuple(
m::Slice(&slice0, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice1, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice2, m::Add(m::Parameter(0), m::Parameter(1))))));
EXPECT_THAT(slice0->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice0->slice_limits(), ElementsAre(2, 9));
EXPECT_THAT(slice0->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice1->slice_starts(), ElementsAre(3, 0));
EXPECT_THAT(slice1->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice1->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice2->slice_starts(), ElementsAre(2, 0));
EXPECT_THAT(slice2->slice_limits(), ElementsAre(5, 9));
EXPECT_THAT(slice2->slice_strides(), ElementsAre(1, 1));
}
TEST_F(SliceSinkerTest, DisjointedPartialSlices) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[5,9] slice(f32[8,9] p0), slice={[2:7], [0:9]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[5,9] slice(f32[8,9] p1), slice={[2:7], [0:9]}
add0 = f32[2,9] add(f32[2,9] s00, f32[2,9] s10)
add1 = f32[5,9] add(f32[5,9] s01, f32[5,9] s11)
ROOT tuple = (f32[2,9], f32[5,9]) tuple(add0, add1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
TEST_F(SliceSinkerTest, OverlappingPartialSlicesNotBeneficial) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,7] slice(f32[8,9] p0), slice={[0:2], [0:7]}
s01 = f32[6,7] slice(f32[8,9] p0), slice={[2:8], [0:7]}
s10 = f32[2,7] slice(f32[8,9] p1), slice={[0:2], [0:7]}
s11 = f32[6,7] slice(f32[8,9] p1), slice={[2:8], [0:7]}
add0 = f32[2,7] add(f32[2,7] s00, f32[2,7] s10)
add1 = f32[6,7] add(f32[6,7] s01, f32[6,7] s11)
ROOT tuple = (f32[2,7], f32[6,7]) tuple(add0, add1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
TEST_F(SliceSinkerTest, DifferentOrderingOfSliceSources) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,7] parameter(0)
p1 = f32[8,7] parameter(1)
s00 = f32[2,7] slice(f32[8,7] p0), slice={[0:2], [0:7]}
s01 = f32[6,7] slice(f32[8,7] p0), slice={[2:8], [0:7]}
s10 = f32[2,7] slice(f32[8,7] p1), slice={[0:2], [0:7]}
s11 = f32[6,7] slice(f32[8,7] p1), slice={[2:8], [0:7]}
add0 = f32[2,7] add(f32[2,7] s00, f32[2,7] s10)
add1 = f32[6,7] add(f32[6,7] s11, f32[6,7] s01)
ROOT tuple = (f32[2,7], f32[6,7]) tuple(add0, add1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
TEST_F(SliceSinkerTest, SlicesFromDifferentIndices) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[4,9] slice(f32[8,9] p0), slice={[0:4], [0:9]}
s01 = f32[4,9] slice(f32[8,9] p0), slice={[4:8], [0:9]}
s10 = f32[4,9] slice(f32[8,9] p1), slice={[0:4], [0:9]}
s11 = f32[4,9] slice(f32[8,9] p1), slice={[4:8], [0:9]}
add0 = f32[4,9] add(f32[4,9] s01, f32[4,9] s10)
add1 = f32[4,9] add(f32[4,9] s00, f32[4,9] s11)
ROOT tuple = (f32[4,9], f32[4,9]) tuple(add0, add1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
TEST_F(SliceSinkerTest, DifferentOperator) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[6,9] slice(f32[8,9] p0), slice={[2:8], [0:9]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[6,9] slice(f32[8,9] p1), slice={[2:8], [0:9]}
mul = f32[2,9] multiply(f32[2,9] s00, f32[2,9] s10)
add = f32[6,9] add(f32[6,9] s01, f32[6,9] s11)
ROOT tuple = (f32[2,9], f32[6,9]) tuple(mul, add)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
TEST_F(SliceSinkerTest, SlicesWithMultiUsers) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[6,9] slice(f32[8,9] p0), slice={[2:8], [0:9]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[6,9] slice(f32[8,9] p1), slice={[2:8], [0:9]}
add0 = f32[2,9] add(f32[2,9] s00, f32[2,9] s10)
add1 = f32[6,9] add(f32[6,9] s01, f32[6,9] s11)
mul0 = f32[2,9] multiply(f32[2,9] s00, f32[2,9] s10)
mul1 = f32[6,9] multiply(f32[6,9] s01, f32[6,9] s11)
ROOT tuple = (f32[2,9], f32[6,9]) tuple(add0, add1, mul0, mul1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_TRUE(result);
HloInstruction* inst = module->entry_computation()->root_instruction();
const HloInstruction* slice0;
const HloInstruction* slice1;
const HloInstruction* slice2;
const HloInstruction* slice3;
EXPECT_THAT(
inst,
GmockMatch(m::Tuple(
m::Slice(&slice0, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice1, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice2, m::Multiply(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice3, m::Multiply(m::Parameter(0), m::Parameter(1))))));
EXPECT_THAT(slice0->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice0->slice_limits(), ElementsAre(2, 9));
EXPECT_THAT(slice0->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice1->slice_starts(), ElementsAre(2, 0));
EXPECT_THAT(slice1->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice1->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice2->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice2->slice_limits(), ElementsAre(2, 9));
EXPECT_THAT(slice2->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice3->slice_starts(), ElementsAre(2, 0));
EXPECT_THAT(slice3->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice3->slice_strides(), ElementsAre(1, 1));
}
TEST_F(SliceSinkerTest, NonElementWise) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8] parameter(0)
s00 = f32[2] slice(f32[8] p0), slice={[0:2]}
s01 = f32[6] slice(f32[8] p0), slice={[2:8]}
bc0 = f32[2,9] broadcast(f32[2] s00), dimensions={0}
bc1 = f32[6,9] broadcast(f32[6] s01), dimensions={0}
ROOT tuple = (f32[2,9], f32[6,9]) tuple(bc0, bc1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
TEST_F(SliceSinkerTest, SlicesWithNontrivialStrides) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[4,9] slice(f32[8,9] p0), slice={[0:7:2], [0:9]}
s01 = f32[4,9] slice(f32[8,9] p0), slice={[1:8:2], [0:9]}
s10 = f32[4,9] slice(f32[8,9] p1), slice={[0:7:2], [0:9]}
s11 = f32[4,9] slice(f32[8,9] p1), slice={[1:8:2], [0:9]}
add0 = f32[4,9] add(f32[4,9] s00, f32[4,9] s10)
add1 = f32[4,9] add(f32[4,9] s01, f32[4,9] s11)
ROOT tuple = (f32[4,9], f32[4,9]) tuple(add0, add1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_TRUE(result);
HloInstruction* inst = module->entry_computation()->root_instruction();
const HloInstruction* slice0;
const HloInstruction* slice1;
EXPECT_THAT(
inst, GmockMatch(m::Tuple(
m::Slice(&slice0, m::Add(m::Parameter(0), m::Parameter(1))),
m::Slice(&slice1, m::Add(m::Parameter(0), m::Parameter(1))))));
EXPECT_THAT(slice0->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice0->slice_limits(), ElementsAre(7, 9));
EXPECT_THAT(slice0->slice_strides(), ElementsAre(2, 1));
EXPECT_THAT(slice1->slice_starts(), ElementsAre(1, 0));
EXPECT_THAT(slice1->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice1->slice_strides(), ElementsAre(2, 1));
}
TEST_F(SliceSinkerTest, NotAllSliceOperand) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[2,9] parameter(1)
p2 = f32[6,9] parameter(2)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[6,9] slice(f32[8,9] p0), slice={[2:8], [0:9]}
abs0 = f32[2,9] abs(f32[2,9] p1)
abs1 = f32[6,9] abs(f32[6,9] p2)
add0 = f32[2,9] add(f32[2,9] s00, f32[2,9] abs0)
add1 = f32[6,9] add(f32[6,9] s01, f32[6,9] abs1)
ROOT tuple = (f32[2,9], f32[6,9]) tuple(add0, add1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
TEST_F(SliceSinkerTest, Cascade) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
p1 = f32[8,9] parameter(1)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[6,9] slice(f32[8,9] p0), slice={[2:8], [0:9]}
s10 = f32[2,9] slice(f32[8,9] p1), slice={[0:2], [0:9]}
s11 = f32[6,9] slice(f32[8,9] p1), slice={[2:8], [0:9]}
abs0 = f32[2,9] abs(f32[2,9] s10)
abs1 = f32[6,9] abs(f32[6,9] s11)
add0 = f32[2,9] add(f32[2,9] s00, f32[2,9] abs0)
add1 = f32[6,9] add(f32[6,9] s01, f32[6,9] abs1)
ROOT tuple = (f32[2,9], f32[6,9]) tuple(add0, add1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_TRUE(result);
HloInstruction* inst = module->entry_computation()->root_instruction();
const HloInstruction* slice0;
const HloInstruction* slice1;
EXPECT_THAT(
inst,
GmockMatch(m::Tuple(
m::Slice(&slice0, m::Add(m::Parameter(0), m::Abs(m::Parameter(1)))),
m::Slice(&slice1,
m::Add(m::Parameter(0), m::Abs(m::Parameter(1)))))));
EXPECT_THAT(slice0->slice_starts(), ElementsAre(0, 0));
EXPECT_THAT(slice0->slice_limits(), ElementsAre(2, 9));
EXPECT_THAT(slice0->slice_strides(), ElementsAre(1, 1));
EXPECT_THAT(slice1->slice_starts(), ElementsAre(2, 0));
EXPECT_THAT(slice1->slice_limits(), ElementsAre(8, 9));
EXPECT_THAT(slice1->slice_strides(), ElementsAre(1, 1));
}
TEST_F(SliceSinkerTest, SameOpcodeDifferentResultElementTypes) {
const char* kModuleStr = R"(
HloModule m
test {
p0 = f32[8,9] parameter(0)
s00 = f32[2,9] slice(f32[8,9] p0), slice={[0:2], [0:9]}
s01 = f32[6,9] slice(f32[8,9] p0), slice={[2:8], [0:9]}
convert0 = s32[2,9] convert(f32[2,9] s00)
convert1 = s64[6,9] convert(f32[6,9] s01)
ROOT tuple = (s32[2,9], s64[6,9]) tuple(convert0, convert1)
}
)";
TF_ASSERT_OK_AND_ASSIGN(auto module,
ParseAndReturnVerifiedModule(kModuleStr));
SliceSinker slice_sinker;
TF_ASSERT_OK_AND_ASSIGN(bool result, RunHloPass(&slice_sinker, module.get()));
EXPECT_FALSE(result);
}
} // namespace
} // namespace xla
Reference in New Issue View Git Blame Copy Permalink