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STT-tensorflow/tensorflow/compiler/xla/tests/map_test.cc
Kazuaki Ishizaki e664420b79 minor spelling tweaks
2019-12-09 18:21:12 +09:00

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/* Copyright 2017 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 <memory>
#include "tensorflow/compiler/xla/array2d.h"
#include "tensorflow/compiler/xla/client/global_data.h"
#include "tensorflow/compiler/xla/client/lib/arithmetic.h"
#include "tensorflow/compiler/xla/client/local_client.h"
#include "tensorflow/compiler/xla/client/xla_builder.h"
#include "tensorflow/compiler/xla/client/xla_computation.h"
#include "tensorflow/compiler/xla/literal.h"
#include "tensorflow/compiler/xla/shape_util.h"
#include "tensorflow/compiler/xla/statusor.h"
#include "tensorflow/compiler/xla/test.h"
#include "tensorflow/compiler/xla/test_helpers.h"
#include "tensorflow/compiler/xla/tests/client_library_test_base.h"
#include "tensorflow/compiler/xla/tests/literal_test_util.h"
#include "tensorflow/compiler/xla/tests/test_macros.h"
#include "tensorflow/compiler/xla/tests/test_utils.h"
#include "tensorflow/compiler/xla/xla_data.pb.h"
#include "tensorflow/core/platform/stream_executor_no_cuda.h"
#include "tensorflow/core/platform/types.h"
namespace xla {
namespace {
class MapTest : public ClientLibraryTestBase {
public:
explicit MapTest(se::Platform* platform = nullptr)
: ClientLibraryTestBase(platform) {
mutable_debug_options()->add_xla_disable_hlo_passes("algsimp");
mutable_debug_options()->add_xla_disable_hlo_passes("inline");
}
// Creates a function that adds its scalar argument with the constant 1.0.
//
// x {R0F32} ----> (add)
// /
// 1.0f ---------/
XlaComputation CreateAdderToOne() {
XlaBuilder mapped_builder(TestName());
auto x = Parameter(&mapped_builder, 0, ShapeUtil::MakeShape(F32, {}), "x");
auto one = ConstantR0<float>(&mapped_builder, 1.0);
Add(x, one);
auto computation_status = mapped_builder.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
XlaComputation CreateMax() {
XlaBuilder b(TestName());
auto lhs = Parameter(&b, 0, ShapeUtil::MakeShape(F32, {}), "x");
auto rhs = Parameter(&b, 1, ShapeUtil::MakeShape(F32, {}), "y");
Max(lhs, rhs);
auto computation_status = b.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
// Creates a computation that accepts an F32 and returns T(1) (ignoring the
// argument).
template <class T>
XlaComputation CreateScalarOne() {
XlaBuilder mapped_builder("scalar_one");
(void)Parameter(&mapped_builder, 0, ShapeUtil::MakeShape(F32, {}), "x");
ConstantR0<T>(&mapped_builder, 1);
auto computation_status = mapped_builder.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
// Creates a function that multiplies its scalar argument by the constant 2.0
//
// x {R0F32} ----> (mul)
// /
// 2.0f ---------/
XlaComputation CreateMulByTwo() {
XlaBuilder mapped_builder(TestName());
auto x = Parameter(&mapped_builder, 0, ShapeUtil::MakeShape(F32, {}), "x");
auto two = ConstantR0<float>(&mapped_builder, 2.0);
Mul(x, two);
auto computation_status = mapped_builder.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
// Creates a function that adds its scalar argument with the constant 1.0 and
// then multiplies by the original element.
//
// /------------------|
// / |
// x {R0F32} ----> (add) ----> (mul)
// /
// 1.0f ---------/
XlaComputation CreateAdderToOneTimesItself() {
XlaBuilder mapped_builder(TestName());
auto x = Parameter(&mapped_builder, 0, ShapeUtil::MakeShape(F32, {}), "x");
auto one = ConstantR0<float>(&mapped_builder, 1.0);
auto adder_to_one = Add(x, one);
Mul(x, adder_to_one);
auto computation_status = mapped_builder.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
// Creates a function that takes a single parameter and calls map with
// "embedded_computation" on it, and then adds "n" to the result.
//
// x {R0F32} -----------> (map) ----> (add)
// / /
// embedded_computation --/ n --/
XlaComputation CreateMapPlusN(const XlaComputation& embedded_computation,
float n) {
XlaBuilder builder(TestName());
auto x = Parameter(&builder, 0, ShapeUtil::MakeShape(F32, {}), "x");
auto map = Map(&builder, {x}, embedded_computation, {});
auto constant_n = ConstantR0<float>(&builder, n);
Add(map, constant_n);
auto computation_status = builder.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
// Creates a binary function with signature (F32, F32) -> Pred
// defined by (x, y) -> x > y.
XlaComputation CreateGt() {
XlaBuilder b("Gt");
auto x = Parameter(&b, 0, ShapeUtil::MakeShape(F32, {}), "x");
auto y = Parameter(&b, 1, ShapeUtil::MakeShape(F32, {}), "y");
Gt(x, y);
auto computation_status = b.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
// Creates a function that adds three scalar arguments
//
// x {R0F32} -------|
// |
// y {R0F32} ----> (add) ---> (add)
// /
// z {R0F32} ---------------/
XlaComputation CreateTernaryAdder() {
XlaBuilder mapped_builder("TernaryAdder");
auto x = Parameter(&mapped_builder, 0, ShapeUtil::MakeShape(F32, {}), "x");
auto y = Parameter(&mapped_builder, 1, ShapeUtil::MakeShape(F32, {}), "y");
auto z = Parameter(&mapped_builder, 2, ShapeUtil::MakeShape(F32, {}), "z");
auto xy = Add(x, y);
Add(xy, z);
auto computation_status = mapped_builder.Build();
TF_CHECK_OK(computation_status.status());
return computation_status.ConsumeValueOrDie();
}
};
TEST_F(MapTest, MapEachElemPlusOneR0) {
// Applies lambda (x) (+ x 1)) to an input scalar.
XlaBuilder builder(TestName());
Literal param0_literal = LiteralUtil::CreateR0<float>(42.0);
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param}, CreateAdderToOne(), {});
ComputeAndCompareR0<float>(&builder, 43.0, {param0_data.get()},
ErrorSpec(0.01f));
}
XLA_TEST_F(MapTest, MapEachElemPlusOneR1S0) {
// Maps (lambda (x) (+ x 1)) onto an input R1F32 vector of length 0.
XlaBuilder builder(TestName());
Literal param0_literal = LiteralUtil::CreateR1<float>({});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param}, CreateAdderToOne(), {0});
ComputeAndCompareR1<float>(&builder, {}, {param0_data.get()},
ErrorSpec(0.01f));
}
TEST_F(MapTest, MapEachElemPlusOneR1S4) {
// Maps (lambda (x) (+ x 1)) onto an input R1F32 vector of length 4.
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.2f, 3.3f, 4.4f, 5.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param}, CreateAdderToOne(), {0});
ComputeAndCompareR1<float>(&builder, {3.2f, 4.3f, 5.4f, 6.5f},
{param0_data.get()}, ErrorSpec(0.01f));
}
TEST_F(MapTest, MapEachF32ElementToS32Constant) {
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.2f, 3.3f, 4.4f, 5.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param}, CreateScalarOne<int32>(), {0});
ComputeAndCompareR1<int32>(&builder, {1, 1, 1, 1}, {param0_data.get()});
}
TEST_F(MapTest, MapEachF32ElementToU32Constant) {
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.2f, 3.3f, 4.4f, 5.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param}, CreateScalarOne<uint32>(), {0});
ComputeAndCompareR1<uint32>(&builder, {1, 1, 1, 1}, {param0_data.get()});
}
TEST_F(MapTest, MapEachElemLongerChainR1) {
// Maps (lambda (x) (* (+ x 1) x)) onto an input R1F32 vector.
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.6f, -5.1f, 0.1f, 0.2f, 999.0f, 255.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param}, CreateAdderToOneTimesItself(), {0});
ComputeAndCompareR1<float>(
&builder, {9.36f, 20.91f, 0.11f, 0.24f, 999000.0f, 65535.75f},
{param0_data.get()}, ErrorSpec(0.01f));
}
XLA_TEST_F(MapTest, MapMultipleMapsR1S0) {
// Maps (lambda (x) (+ x 1)) onto an input R1F32 vector of length 0, and then
// maps (lambda (x) (* x 2)) on the result.
XlaBuilder builder(TestName());
Literal param0_literal = LiteralUtil::CreateR1<float>({});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto map1 = Map(&builder, {param}, CreateAdderToOne(), {0});
Map(&builder, {map1}, CreateMulByTwo(), {0});
ComputeAndCompareR1<float>(&builder, {}, {param0_data.get()},
ErrorSpec(0.01f));
}
TEST_F(MapTest, MapMultipleMapsR1S4) {
// Maps (lambda (x) (+ x 1)) onto an input R1F32 vector of length 4, and then
// maps (lambda (x) (* x 2)) on the result.
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.2f, 3.3f, 4.4f, 5.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto map1 = Map(&builder, {param}, CreateAdderToOne(), {0});
Map(&builder, {map1}, CreateMulByTwo(), {0});
ComputeAndCompareR1<float>(&builder, {6.4f, 8.6f, 10.8f, 13.0f},
{param0_data.get()}, ErrorSpec(0.01f));
}
TEST_F(MapTest, MapEachElemPlusOneR2) {
// Maps (lambda (x) (+ x 1)) onto an input R2F32 vector.
XlaBuilder builder(TestName());
Literal param0_literal = LiteralUtil::CreateR2<float>(
{{13.25f, 14.0f}, {-7.1f, -7.2f}, {-8.8f, 8.8f}});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param}, CreateAdderToOne(), {0, 1});
Array2D<float> expected_array(
{{14.25f, 15.0f}, {-6.1f, -6.2f}, {-7.8f, 9.8f}});
ComputeAndCompareR2<float>(&builder, expected_array, {param0_data.get()},
ErrorSpec(0.01f));
}
XLA_TEST_F(MapTest, ComplexNestedMaps) {
// Constructs a complex graph of embedded computations to test the computation
// lowering order. Python equivalent:
//
// embed1 = lambda x: x + 1 # x + 1
// embed2 = lambda x: embed1(x) + 2 # x + 3
// embed3 = lambda x: embed1(x) + 4 # x + 5
// embed4 = lambda x: embed2(x) + embed3(x) # 2x + 8
// embed5 = lambda x: embed2(x) + 6 # x + 9
// result = embed5(42) + embed4(7) # (42 + 9) + (2 * 7 + 8) = 73
Shape scalar_shape = ShapeUtil::MakeShape(F32, {});
auto embed1 = CreateAdderToOne();
auto embed2 = CreateMapPlusN(embed1, 2.0);
auto embed3 = CreateMapPlusN(embed1, 4.0);
XlaBuilder embed4_builder("embed4");
auto embed4_param = Parameter(&embed4_builder, 0, scalar_shape, "x");
auto embed4_map_lhs = Map(&embed4_builder, {embed4_param}, embed2, {});
auto embed4_map_rhs = Map(&embed4_builder, {embed4_param}, embed3, {});
Add(embed4_map_lhs, embed4_map_rhs);
auto embed4_status = embed4_builder.Build();
ASSERT_IS_OK(embed4_status.status());
auto embed4 = embed4_status.ConsumeValueOrDie();
auto embed5 = CreateMapPlusN(embed2, 6.0);
XlaBuilder builder(TestName());
auto constant_42 = ConstantR0<float>(&builder, 42.0);
auto constant_7 = ConstantR0<float>(&builder, 7.0);
auto map_42 = Map(&builder, {constant_42}, embed5, {});
auto map_7 = Map(&builder, {constant_7}, embed4, {});
Add(map_42, map_7);
ComputeAndCompareR0<float>(&builder, 73.0, {}, ErrorSpec(0.01f));
}
TEST_F(MapTest, MapBinaryAdder) {
// Maps (lambda (x y) (+ x y)) onto two R1F32 vectors.
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.2f, 3.3f, 4.4f, 5.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
Literal param1_literal =
LiteralUtil::CreateR1<float>({5.1f, 4.4f, -0.1f, -5.5f});
std::unique_ptr<GlobalData> param1_data =
client_->TransferToServer(param1_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto param1 = Parameter(&builder, 1, param1_literal.shape(), "param1");
Map(&builder, {param0, param1}, CreateScalarAddComputation(F32, &builder),
{0});
ComputeAndCompareR1<float>(&builder, {7.3f, 7.7, 4.3f, 0},
{param0_data.get(), param1_data.get()},
ErrorSpec(0.01f));
}
// Adds two rank-2 arrays with different layouts. This test exercises a path
// for Map that used to fail in shape inference (b/28989438).
XLA_TEST_F(MapTest, AddWithMixedLayouts) {
XlaBuilder builder(TestName());
Literal param0_literal = LiteralUtil::CreateR2WithLayout(
{{1, 2}, {3, 4}}, LayoutUtil::MakeLayout({1, 0}));
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
Literal param1_literal = LiteralUtil::CreateR2WithLayout(
{{10, 20}, {30, 40}}, LayoutUtil::MakeLayout({0, 1}));
std::unique_ptr<GlobalData> param1_data =
client_->TransferToServer(param1_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto param1 = Parameter(&builder, 1, param1_literal.shape(), "param1");
Map(&builder, {param0, param1}, CreateScalarAddComputation(S32, &builder),
{0, 1});
Array2D<int32> expected(2, 2);
expected(0, 0) = 11;
expected(0, 1) = 22;
expected(1, 0) = 33;
expected(1, 1) = 44;
ComputeAndCompareR2<int32>(&builder, expected,
{param0_data.get(), param1_data.get()});
}
XLA_TEST_F(MapTest, AddR3_3x0x2) {
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR3FromArray3D<int32>(Array3D<int32>(3, 0, 2));
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
Literal param1_literal =
LiteralUtil::CreateR3FromArray3D<int32>(Array3D<int32>(3, 0, 2));
std::unique_ptr<GlobalData> param1_data =
client_->TransferToServer(param1_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto param1 = Parameter(&builder, 1, param1_literal.shape(), "param1");
Map(&builder, {param0, param1}, CreateScalarAddComputation(S32, &builder),
{0, 1, 2});
ComputeAndCompareR3<int32>(&builder, Array3D<int32>(3, 0, 2),
{param0_data.get(), param1_data.get()});
}
TEST_F(MapTest, MapTernaryAdder) {
// Maps (lambda (x y z) (+ x y z)) onto three R1F32 vectors.
XlaBuilder builder(TestName());
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.2f, 3.3f, 4.4f, 5.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
Literal param1_literal =
LiteralUtil::CreateR1<float>({5.1f, 4.4f, -0.1f, -5.5f});
std::unique_ptr<GlobalData> param1_data =
client_->TransferToServer(param1_literal).ConsumeValueOrDie();
Literal param2_literal =
LiteralUtil::CreateR1<float>({-10.0f, -100.0f, -900.0f, -400.0f});
std::unique_ptr<GlobalData> param2_data =
client_->TransferToServer(param2_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto param1 = Parameter(&builder, 1, param1_literal.shape(), "param1");
auto param2 = Parameter(&builder, 2, param2_literal.shape(), "param2");
Map(&builder, {param0, param1, param2}, CreateTernaryAdder(), {0});
ComputeAndCompareR1<float>(
&builder, {-2.7f, -92.3f, -895.7f, -400.0f},
{param0_data.get(), param1_data.get(), param2_data.get()},
ErrorSpec(0.01f));
}
TEST_F(MapTest, MapGt) {
// Maps (x,y) -> x > y onto two R1F32 vectors.
XlaBuilder b(TestName());
auto gt = CreateGt();
Map(&b, {ConstantR1<float>(&b, {1, 20}), ConstantR1<float>(&b, {10, 2})}, gt,
{0});
ComputeAndCompareR1<bool>(&b, {false, true}, {});
}
TEST_F(MapTest, NestedBinaryMap) {
XlaComputation max_with_square;
{
// max_with_square(x) = do max(x, x^2) via a map.
XlaBuilder b("max_with_square");
auto x = Parameter(&b, 0, ShapeUtil::MakeShape(F32, {}), "x");
Map(&b, {x, Mul(x, x)}, CreateMax(), {});
auto computation_status = b.Build();
ASSERT_IS_OK(computation_status.status());
max_with_square = computation_status.ConsumeValueOrDie();
}
XlaBuilder b(TestName());
auto input = ConstantR1<float>(&b, {0.1f, 0.5f, -0.5f, 1.0f, 2.0f});
Map(&b, {input}, max_with_square, {0});
ComputeAndCompareR1<float>(&b, {0.1f, 0.5f, 0.25f, 1.0f, 4.0f}, {});
}
TEST_F(MapTest, MapOperationWithBuildError) {
// Maps (lambda (x y) (+ x y)) onto two R1F32 vectors but uses an unsupported
// type combination (F32 + U16) to test that the error is reported to the
// outermost XlaBuilder.
XlaBuilder builder(TestName());
auto sub_builder = builder.CreateSubBuilder("ErrorAdd");
auto x = Parameter(sub_builder.get(), 0, ShapeUtil::MakeShape(F32, {}), "x");
auto y = Parameter(sub_builder.get(), 1, ShapeUtil::MakeShape(U16, {}), "y");
Add(x, y);
auto error_add = sub_builder->BuildAndNoteError();
Literal param0_literal =
LiteralUtil::CreateR1<float>({2.2f, 3.3f, 4.4f, 5.5f});
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
Literal param1_literal =
LiteralUtil::CreateR1<float>({5.1f, 4.4f, -0.1f, -5.5f});
std::unique_ptr<GlobalData> param1_data =
client_->TransferToServer(param1_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto param1 = Parameter(&builder, 1, param1_literal.shape(), "param1");
Map(&builder, {param0, param1}, error_add, {0});
StatusOr<XlaComputation> computation_status = builder.Build();
ASSERT_TRUE(!computation_status.ok());
EXPECT_THAT(computation_status.status().ToString(),
::testing::HasSubstr("error from: ErrorAdd: Binary op add with "
"different element types: f32[] and u16[]"));
}
// MapTest disables inline and algsimp. MapTestWithFullOpt runs all
// optimizations.
using MapTestWithFullOpt = ClientLibraryTestBase;
// Regression test for b/31466798. The inliner simplifies map(param0, param1,
// power) to power(param0, param1) without deleting the old subcomputation which
// is the same as the new entry computation. HloSubcomputationUnification used
// to have issues with such patterns and maybe invalidate the pointer to entry
// computation.
TEST_F(MapTestWithFullOpt, MapScalarPower) {
XlaBuilder builder(TestName());
auto sub_builder = builder.CreateSubBuilder("power");
auto x = Parameter(sub_builder.get(), 0, ShapeUtil::MakeShape(F32, {}), "x");
auto y = Parameter(sub_builder.get(), 1, ShapeUtil::MakeShape(F32, {}), "y");
Pow(x, y);
auto power = sub_builder->BuildAndNoteError();
Literal param0_literal = LiteralUtil::CreateR0<float>(2.0f);
Literal param1_literal = LiteralUtil::CreateR0<float>(5.0f);
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
std::unique_ptr<GlobalData> param1_data =
client_->TransferToServer(param1_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto param1 = Parameter(&builder, 1, param1_literal.shape(), "param1");
Map(&builder, {param0, param1}, power, {});
ComputeAndCompareR0<float>(&builder, 32.0f,
{param0_data.get(), param1_data.get()},
ErrorSpec(0.01f));
}
// Regression test for b/35786417, where the inliner would not notice the change
// of parameter order inside the map.
TEST_F(MapTestWithFullOpt, MapSubtractOppositeOrder) {
XlaBuilder builder(TestName());
auto sub_builder = builder.CreateSubBuilder("power");
auto x = Parameter(sub_builder.get(), 0, ShapeUtil::MakeShape(F32, {}), "x");
auto y = Parameter(sub_builder.get(), 1, ShapeUtil::MakeShape(F32, {}), "y");
Sub(y, x); // note that this is y - x, not x - y
auto sub_opposite = sub_builder->BuildAndNoteError();
Literal param0_literal = LiteralUtil::CreateR0<float>(2.0f);
Literal param1_literal = LiteralUtil::CreateR0<float>(5.0f);
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
std::unique_ptr<GlobalData> param1_data =
client_->TransferToServer(param1_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
auto param1 = Parameter(&builder, 1, param1_literal.shape(), "param1");
Map(&builder, {param0, param1}, sub_opposite, {});
ComputeAndCompareR0<float>(
&builder, 3.0f, {param0_data.get(), param1_data.get()}, ErrorSpec(0.01f));
}
// Regression test for b/35786417, where the inliner would CHECK-fail due to the
// mul inside the map having more parameters than the map does.
TEST_F(MapTestWithFullOpt, MapSquare) {
XlaBuilder builder(TestName());
auto sub_builder = builder.CreateSubBuilder("power");
auto x = Parameter(sub_builder.get(), 0, ShapeUtil::MakeShape(F32, {}), "x");
Mul(x, x);
auto square = sub_builder->BuildAndNoteError();
Literal param0_literal = LiteralUtil::CreateR0<float>(10.0f);
std::unique_ptr<GlobalData> param0_data =
client_->TransferToServer(param0_literal).ConsumeValueOrDie();
auto param0 = Parameter(&builder, 0, param0_literal.shape(), "param0");
Map(&builder, {param0}, square, {});
ComputeAndCompareR0<float>(&builder, 100.0f, {param0_data.get()},
ErrorSpec(0.01f));
}
} // namespace
} // namespace xla
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