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// Copyright Vespa.ai. 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/simple_value.h>
#include <vespa/eval/instruction/sparse_merge_function.h>
#include <vespa/eval/eval/test/eval_fixture.h>
#include <vespa/eval/eval/test/gen_spec.h>
#include <vespa/vespalib/gtest/gtest.h>
using namespace vespalib::eval;
using namespace vespalib::eval::test;
const ValueBuilderFactory &prod_factory = FastValueBuilderFactory::get();
const ValueBuilderFactory &test_factory = SimpleValueBuilderFactory::get();
//-----------------------------------------------------------------------------
EvalFixture::ParamRepo make_params() {
return EvalFixture::ParamRepo()
.add("scalar1", GenSpec(1.0))
.add("scalar2", GenSpec(2.0))
.add_variants("v1_x", GenSpec(3.0).map("x", 32, 1))
.add_variants("v2_x", GenSpec(4.0).map("x", 16, 2))
.add_variants("v3_xz", GenSpec(5.0).map("x", 16, 2).idx("z", 1))
.add("dense", GenSpec(6.0).idx("x", 10))
.add("m1_xy", GenSpec(7.0).map("x", 32, 1).map("y", 16, 2))
.add("m2_xy", GenSpec(8.0).map("x", 16, 2).map("y", 32, 1))
.add("mixed", GenSpec(9.0).map("x", 8, 1).idx("y", 5));
}
EvalFixture::ParamRepo param_repo = make_params();
void assert_optimized(const vespalib::string &expr) {
EvalFixture fast_fixture(prod_factory, expr, param_repo, true);
EvalFixture test_fixture(test_factory, expr, param_repo, true);
EvalFixture slow_fixture(prod_factory, expr, param_repo, false);
EXPECT_EQ(fast_fixture.result(), EvalFixture::ref(expr, param_repo));
EXPECT_EQ(test_fixture.result(), EvalFixture::ref(expr, param_repo));
EXPECT_EQ(slow_fixture.result(), EvalFixture::ref(expr, param_repo));
EXPECT_EQ(fast_fixture.find_all<SparseMergeFunction>().size(), 1u);
EXPECT_EQ(test_fixture.find_all<SparseMergeFunction>().size(), 1u);
EXPECT_EQ(slow_fixture.find_all<SparseMergeFunction>().size(), 0u);
}
void assert_not_optimized(const vespalib::string &expr) {
EvalFixture fast_fixture(prod_factory, expr, param_repo, true);
EXPECT_EQ(fast_fixture.result(), EvalFixture::ref(expr, param_repo));
EXPECT_EQ(fast_fixture.find_all<SparseMergeFunction>().size(), 0u);
}
//-----------------------------------------------------------------------------
TEST(SparseMerge, expression_can_be_optimized)
{
assert_optimized("merge(v1_x,v2_x,f(x,y)(x+y))");
assert_optimized("merge(v1_x,v2_x,f(x,y)(max(x,y)))");
assert_optimized("merge(v1_x,v2_x,f(x,y)(x+y+1))");
assert_optimized("merge(v1_x_f,v2_x_f,f(x,y)(x+y))");
assert_optimized("merge(v3_xz,v3_xz,f(x,y)(x+y))");
}
TEST(SparseMerge, multi_dimensional_expression_can_be_optimized)
{
assert_optimized("merge(m1_xy,m2_xy,f(x,y)(x+y))");
assert_optimized("merge(m1_xy,m2_xy,f(x,y)(x*y))");
}
TEST(SparseMerge, similar_expressions_are_not_optimized)
{
assert_not_optimized("merge(scalar1,scalar2,f(x,y)(x+y))");
assert_not_optimized("merge(dense,dense,f(x,y)(x+y))");
assert_not_optimized("merge(mixed,mixed,f(x,y)(x+y))");
}
TEST(SparseMerge, mixed_cell_types_are_not_optimized)
{
assert_not_optimized("merge(v1_x,v2_x_f,f(x,y)(x+y))");
assert_not_optimized("merge(v1_x_f,v2_x,f(x,y)(x+y))");
}
//-----------------------------------------------------------------------------
GTEST_MAIN_RUN_ALL_TESTS()
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