diff options
Diffstat (limited to 'eval/src/tests/instruction/dense_hamming_distance/dense_hamming_distance_test.cpp')
-rw-r--r-- | eval/src/tests/instruction/dense_hamming_distance/dense_hamming_distance_test.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/eval/src/tests/instruction/dense_hamming_distance/dense_hamming_distance_test.cpp b/eval/src/tests/instruction/dense_hamming_distance/dense_hamming_distance_test.cpp new file mode 100644 index 00000000000..8eaa0e72ad5 --- /dev/null +++ b/eval/src/tests/instruction/dense_hamming_distance/dense_hamming_distance_test.cpp @@ -0,0 +1,91 @@ +// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. + +#include <vespa/eval/eval/fast_value.h> +#include <vespa/eval/eval/tensor_function.h> +#include <vespa/eval/eval/test/eval_fixture.h> +#include <vespa/eval/eval/test/gen_spec.h> +#include <vespa/eval/instruction/dense_hamming_distance.h> +#include <vespa/vespalib/util/stash.h> +#include <vespa/vespalib/util/stringfmt.h> + +#include <vespa/vespalib/util/require.h> +#include <vespa/vespalib/gtest/gtest.h> + +#include <vespa/log/log.h> +LOG_SETUP("dense_hamming_distance_function_test"); + +using namespace vespalib; +using namespace vespalib::eval; +using namespace vespalib::eval::test; + +const ValueBuilderFactory &prod_factory = FastValueBuilderFactory::get(); + +struct FunInfo { + using LookFor = DenseHammingDistance; + void verify(const LookFor &fun) const { + EXPECT_TRUE(fun.result_is_mutable()); + } +}; + +void assertOptimized(const vespalib::string &expr) { + CellTypeSpace just_int8({CellType::INT8}, 2); + EvalFixture::verify<FunInfo>(expr, {FunInfo{}}, just_int8); + CellTypeSpace just_double({CellType::DOUBLE}, 2); + EvalFixture::verify<FunInfo>(expr, {}, just_double); +} + +void assertNotOptimized(const vespalib::string &expr) { + CellTypeSpace just_int8({CellType::INT8}, 2); + EvalFixture::verify<FunInfo>(expr, {}, just_int8); +} + +TEST(DenseHammingDistanceOptimizer, hamming_distance_works_with_tensor_function) { + assertOptimized("reduce(hamming(x5$1,x5$2),sum)"); + assertOptimized("reduce(hamming(x5$1,x5$2),sum,x)"); + assertOptimized("reduce(join(x5$1,x5$2,f(x,y)(hamming(x,y))),sum)"); + assertOptimized("reduce(join(x5$1,x5$2,f(x,y)(hamming(x,y))),sum,x)"); +} + +TEST(DenseHammingDistanceOptimizer, hamming_distance_with_compatible_dimensions_is_optimized) { + // various vector sizes + assertOptimized("reduce(hamming(x1$1,x1$2),sum)"); + assertOptimized("reduce(hamming(x3$1,x3$2),sum)"); + assertOptimized("reduce(hamming(x7$1,x7$2),sum)"); + assertOptimized("reduce(hamming(x8$1,x8$2),sum)"); + assertOptimized("reduce(hamming(x9$1,x9$2),sum)"); + assertOptimized("reduce(hamming(x17$1,x17$2),sum)"); + // multiple dimensions + assertOptimized("reduce(hamming(x3y3$1,x3y3$2),sum)"); + assertOptimized("reduce(hamming(x3y4$1,x3y4$2),sum)"); + // with trivial dimensions + assertOptimized("reduce(hamming(a1x3$1,x3$2),sum)"); + assertOptimized("reduce(hamming(x3$1z1,x3$2),sum)"); + assertOptimized("reduce(hamming(a1x3$1,b1x3$2z1),sum)"); +} + +TEST(DenseHammingDistanceOptimizer, hamming_distance_with_mapped_dimensions_is_NOT_optimized) { + assertNotOptimized("reduce(hamming(x3_1$1,x3_1$2),sum)"); + assertNotOptimized("reduce(hamming(x3_1y2$1,x3_1y2$2),sum)"); +} + +TEST(DenseHammingDistanceOptimizer, hamming_distance_with_incompatible_dimensions_is_NOT_optimized) { + assertNotOptimized("reduce(hamming(x3,y3),sum)"); + assertNotOptimized("reduce(hamming(y3,x3),sum)"); + assertNotOptimized("reduce(hamming(x3,x3y3),sum)"); + assertNotOptimized("reduce(hamming(x3y3,x3),sum)"); +} + +TEST(DenseHammingDistanceOptimizer, expressions_similar_to_hamming_distance_are_not_optimized) { + assertNotOptimized("reduce(hamming(x3$1,x3$2),prod)"); +} + +TEST(DenseHammingDistanceOptimizer, result_must_be_double_to_trigger_optimization) { + assertOptimized("reduce(hamming(x3y3$1,x3y3$2),sum,x,y)"); + assertNotOptimized("reduce(hamming(x3y3$1,x3y3$2),sum,x)"); + assertNotOptimized("reduce(hamming(x3y3$1,x3y3$2),sum,y)"); +} + +//----------------------------------------------------------------------------- + +GTEST_MAIN_RUN_ALL_TESTS() + |