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Summary: Hooks into existing autograd codegen script (generate_code.py) to take advantage of its integrations into buck/cmake/bazel. Adds a new option (--gen_lazy_ts_backend) to. generate_code.py, calling this from CMake OSS build and fbcode build, but not from other internal xplat/ovrsource builds (these could be opted in later) Bazel support is added in a later diff. Includes one generated file (torch/csrc/lazy/generated/LazyIr.h) in a unit test (test/cpp/lazy/test_ir.cpp) to partially verify the generator is working, but does not compile the remaining output sources from the generator yet as they depend on other files not yet landed from lazy_tensor_staging branch. Pull Request resolved: https://github.com/pytorch/pytorch/pull/73996 Test Plan: OSS/internal CI - verify all builds are working and test_ir.cpp compiles LazyIr.h Reviewed By: ezyang Differential Revision: D34408536 fbshipit-source-id: 8af0aea3b95d81eccafc17d64390d70ddd176515 (cherry picked from commit f930612f2bad61c76eb02d85cfbec9f33a1459dc)
83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
#include <gtest/gtest.h>
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#include <string>
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#include <torch/csrc/lazy/core/hash.h>
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#include <c10/util/int128.h>
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namespace torch {
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namespace lazy {
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template <typename T>
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void test_hash_repeatable_sensitive(const T& example_a, const T& example_b) {
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// repeatable
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EXPECT_EQ(Hash(example_a), Hash(example_a));
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EXPECT_EQ(MHash(example_a), MHash(example_a));
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EXPECT_EQ(MHash(example_a, example_a), MHash(example_a, example_a));
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// sensitive
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EXPECT_NE(Hash(example_a), Hash(example_b));
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EXPECT_NE(MHash(example_a), MHash(example_b));
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EXPECT_NE(MHash(example_a, example_a), MHash(example_a, example_b));
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}
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TEST(HashTest, Scalar) {
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c10::Scalar a(0);
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c10::Scalar b(0);
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// simulate some garbage in the unused bits of the
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// the tagged union that is c10::Scalar, which is bigger
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// than the size of the int64_t we're currently using it with
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*((uint8_t*)&b) = 1;
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// actual 'value' of the Scalar as a 64 bit int shouldn't have changed
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EXPECT_EQ(a.toLong(), b.toLong());
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// and hash should ignore this garbage
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EXPECT_EQ(Hash(a), Hash(b));
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EXPECT_EQ(MHash(a), MHash(b));
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EXPECT_EQ(MHash(a, a), MHash(a, b));
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}
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TEST(HashTest, Sanity) {
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// String
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test_hash_repeatable_sensitive(
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std::string(
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"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut at suscipit purus."),
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std::string(
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"Lorem Jpsum dolor sit amet, consectetur adipiscing elit. Ut at suscipit purus."));
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// Number types
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test_hash_repeatable_sensitive(true, false);
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test_hash_repeatable_sensitive((int8_t)0xfa, (int8_t)0xfb);
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test_hash_repeatable_sensitive((int16_t)0xface, (int16_t)0xfade);
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test_hash_repeatable_sensitive((int32_t)0xfaceb000, (int32_t)0xfadeb000);
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test_hash_repeatable_sensitive((int64_t)0x1faceb000, (int64_t)0x1fadeb000);
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test_hash_repeatable_sensitive((uint8_t)0xfa, (uint8_t)0xfb);
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test_hash_repeatable_sensitive((uint16_t)0xface, (uint16_t)0xfade);
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test_hash_repeatable_sensitive((uint32_t)0xfaceb000, (uint32_t)0xfadeb000);
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test_hash_repeatable_sensitive((uint64_t)0x1faceb000, (uint64_t)0x1fadeb000);
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// c10 types
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test_hash_repeatable_sensitive(c10::ScalarType::Bool, c10::ScalarType::Byte);
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test_hash_repeatable_sensitive(c10::Scalar(1.334), c10::Scalar(1.335));
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test_hash_repeatable_sensitive(c10::Scalar(true), c10::Scalar(false));
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test_hash_repeatable_sensitive(c10::Scalar(12345), c10::Scalar(12354));
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// c10::optional
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test_hash_repeatable_sensitive(
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c10::optional<std::string>("I have value!"),
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c10::optional<std::string>(c10::nullopt));
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// Containers
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auto a = std::vector<int32_t>({0, 1, 1, 2, 3, 5, 8});
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auto b = std::vector<int32_t>({1, 1, 2, 3, 5, 8, 12});
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test_hash_repeatable_sensitive(a, b);
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test_hash_repeatable_sensitive(c10::ArrayRef<int32_t>(a), c10::ArrayRef<int32_t>(b));
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// vector<bool> is a special case bc it is implemented as vector<bit>
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auto bool_a = std::vector<bool>({true, false, false, true});
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auto bool_b = std::vector<bool>({true, true, false, true});
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test_hash_repeatable_sensitive(bool_a, bool_b);
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}
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} // namespace lazy
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} // namespace torch
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