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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/eval/eval/tensor_function.h>
#include <vespa/eval/eval/simple_tensor.h>
#include <vespa/eval/eval/simple_tensor_engine.h>
#include <vespa/eval/tensor/default_tensor_engine.h>
#include <vespa/eval/tensor/dense/dense_number_join_function.h>
#include <vespa/eval/eval/test/eval_fixture.h>
#include <vespa/eval/eval/test/tensor_model.hpp>
#include <vespa/vespalib/util/stringfmt.h>
using namespace vespalib;
using namespace vespalib::eval;
using namespace vespalib::eval::test;
using namespace vespalib::tensor;
using namespace vespalib::eval::tensor_function;
using vespalib::make_string_short::fmt;
using Primary = DenseNumberJoinFunction::Primary;
namespace vespalib::tensor {
std::ostream &operator<<(std::ostream &os, Primary primary)
{
switch(primary) {
case Primary::LHS: return os << "LHS";
case Primary::RHS: return os << "RHS";
}
abort();
}
}
const TensorEngine &prod_engine = DefaultTensorEngine::ref();
EvalFixture::ParamRepo make_params() {
return EvalFixture::ParamRepo()
.add("a", spec(1.5))
.add("number", spec(2.5))
.add("sparse", spec({x({"a"})}, N()))
.add("dense", spec({y(5)}, N()))
.add("mixed", spec({x({"a"}),y(5)}, N()))
.add_matrix("x", 3, "y", 5);
}
EvalFixture::ParamRepo param_repo = make_params();
void verify_optimized(const vespalib::string &expr, Primary primary, bool inplace) {
EvalFixture slow_fixture(prod_engine, expr, param_repo, false);
EvalFixture fixture(prod_engine, expr, param_repo, true, true);
EXPECT_EQUAL(fixture.result(), EvalFixture::ref(expr, param_repo));
EXPECT_EQUAL(fixture.result(), slow_fixture.result());
auto info = fixture.find_all<DenseNumberJoinFunction>();
ASSERT_EQUAL(info.size(), 1u);
EXPECT_TRUE(info[0]->result_is_mutable());
EXPECT_EQUAL(info[0]->primary(), primary);
EXPECT_EQUAL(info[0]->inplace(), inplace);
int p_inplace = inplace ? ((primary == Primary::LHS) ? 0 : 1) : -1;
EXPECT_TRUE((p_inplace == -1) || (fixture.num_params() > size_t(p_inplace)));
for (size_t i = 0; i < fixture.num_params(); ++i) {
if (i == size_t(p_inplace)) {
EXPECT_EQUAL(fixture.get_param(i), fixture.result());
} else {
EXPECT_NOT_EQUAL(fixture.get_param(i), fixture.result());
}
}
}
void verify_not_optimized(const vespalib::string &expr) {
EvalFixture slow_fixture(prod_engine, expr, param_repo, false);
EvalFixture fixture(prod_engine, expr, param_repo, true);
EXPECT_EQUAL(fixture.result(), EvalFixture::ref(expr, param_repo));
EXPECT_EQUAL(fixture.result(), slow_fixture.result());
auto info = fixture.find_all<DenseNumberJoinFunction>();
EXPECT_TRUE(info.empty());
}
TEST("require that dense number join can be optimized") {
TEST_DO(verify_optimized("x3y5+a", Primary::LHS, false));
TEST_DO(verify_optimized("a+x3y5", Primary::RHS, false));
TEST_DO(verify_optimized("x3y5f*a", Primary::LHS, false));
TEST_DO(verify_optimized("a*x3y5f", Primary::RHS, false));
}
TEST("require that dense number join can be inplace") {
TEST_DO(verify_optimized("@x3y5*a", Primary::LHS, true));
TEST_DO(verify_optimized("a*@x3y5", Primary::RHS, true));
TEST_DO(verify_optimized("@x3y5f+a", Primary::LHS, true));
TEST_DO(verify_optimized("a+@x3y5f", Primary::RHS, true));
}
TEST("require that asymmetric operations work") {
TEST_DO(verify_optimized("x3y5/a", Primary::LHS, false));
TEST_DO(verify_optimized("a/x3y5", Primary::RHS, false));
TEST_DO(verify_optimized("x3y5f-a", Primary::LHS, false));
TEST_DO(verify_optimized("a-x3y5f", Primary::RHS, false));
}
TEST("require that inappropriate cases are not optimized") {
int optimized = 0;
for (vespalib::string lhs: {"number", "dense", "sparse", "mixed"}) {
for (vespalib::string rhs: {"number", "dense", "sparse", "mixed"}) {
if (((lhs == "number") && (rhs == "dense")) ||
((lhs == "dense") && (rhs == "number")))
{
++optimized;
} else {
auto expr = fmt("%s+%s", lhs.c_str(), rhs.c_str());
TEST_STATE(expr.c_str());
verify_not_optimized(expr);
}
}
}
EXPECT_EQUAL(optimized, 2);
}
TEST_MAIN() { TEST_RUN_ALL(); }
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