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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/eval/streamed/streamed_value_builder_factory.h>
#include <vespa/eval/eval/test/reference_operations.h>
#include <vespa/eval/eval/value_codec.h>
#include <vespa/eval/instruction/generic_join.h>
#include <vespa/eval/eval/interpreted_function.h>
#include <vespa/eval/eval/test/gen_spec.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/vespalib/gtest/gtest.h>
using namespace vespalib;
using namespace vespalib::eval;
using namespace vespalib::eval::instruction;
using namespace vespalib::eval::test;
using vespalib::make_string_short::fmt;
using PA = std::vector<string_id *>;
using CPA = std::vector<const string_id *>;
using Handle = SharedStringRepo::Handle;
vespalib::string as_str(string_id label) { return Handle::string_from_id(label); }
GenSpec G() { return GenSpec(); }
const std::vector<GenSpec> layouts = {
G(),
G().idx("x", 3),
G().idx("x", 3).idx("y", 5),
G().idx("x", 3).idx("y", 5).idx("z", 7),
G().map("x", {"a","b","c"}),
G().map("x", {"a","b","c"}).map("y", {"foo","bar"}),
G().map("x", {"a","b","c"}).map("y", {"foo","bar"}).map("z", {"i","j","k","l"}),
G().idx("x", 3).map("y", {"foo", "bar"}).idx("z", 7),
G().map("x", {"a","b","c"}).idx("y", 5).map("z", {"i","j","k","l"})
};
const std::vector<GenSpec> join_layouts = {
G(), G(),
G().idx("x", 5), G().idx("x", 5),
G().idx("x", 5), G().idx("y", 5),
G().idx("x", 5), G().idx("x", 5).idx("y", 5),
G().idx("y", 3), G().idx("x", 2).idx("z", 3),
G().idx("x", 3).idx("y", 5), G().idx("y", 5).idx("z", 7),
G().map("x", {"a","b","c"}), G().map("x", {"a","b","c"}),
G().map("x", {"a","b","c"}), G().map("x", {"a","b"}),
G().map("x", {"a","b","c"}), G().map("y", {"foo","bar","baz"}),
G().map("x", {"a","b","c"}), G().map("x", {"a","b","c"}).map("y", {"foo","bar","baz"}),
G().map("x", {"a","b"}).map("y", {"foo","bar","baz"}), G().map("x", {"a","b","c"}).map("y", {"foo","bar"}),
G().map("x", {"a","b"}).map("y", {"foo","bar","baz"}), G().map("y", {"foo","bar"}).map("z", {"i","j","k","l"}),
G().idx("x", 3).map("y", {"foo", "bar"}), G().map("y", {"foo","bar"}).idx("z", 7),
G().map("x", {"a","b","c"}).idx("y", 5), G().idx("y", 5).map("z", {"i","j","k","l"})
};
TensorSpec streamed_value_join(const TensorSpec &a, const TensorSpec &b, join_fun_t function) {
Stash stash;
const auto &factory = StreamedValueBuilderFactory::get();
auto lhs = value_from_spec(a, factory);
auto rhs = value_from_spec(b, factory);
auto res_type = ValueType::join(lhs->type(), rhs->type());
auto my_op = GenericJoin::make_instruction(res_type, lhs->type(), rhs->type(), function, factory, stash);
InterpretedFunction::EvalSingle single(factory, my_op);
return spec_from_value(single.eval(std::vector<Value::CREF>({*lhs,*rhs})));
}
TEST(StreamedValueTest, streamed_values_can_be_converted_from_and_to_tensor_spec) {
for (const auto &layout: layouts) {
for (CellType ct : CellTypeUtils::list_types()) {
auto expect = layout.cpy().cells(ct);
if (expect.bad_scalar()) continue;
std::unique_ptr<Value> value = value_from_spec(expect, StreamedValueBuilderFactory::get());
TensorSpec actual = spec_from_value(*value);
EXPECT_EQ(actual, expect);
}
}
}
TEST(StreamedValueTest, streamed_values_can_be_copied) {
for (const auto &layout: layouts) {
for (CellType ct : CellTypeUtils::list_types()) {
auto expect = layout.cpy().cells(ct);
if (expect.bad_scalar()) continue;
std::unique_ptr<Value> value = value_from_spec(expect, StreamedValueBuilderFactory::get());
std::unique_ptr<Value> copy = StreamedValueBuilderFactory::get().copy(*value);
TensorSpec actual = spec_from_value(*copy);
EXPECT_EQ(actual, expect);
}
}
}
TEST(StreamedValueTest, streamed_value_can_be_built_and_inspected) {
ValueType type = ValueType::from_spec("tensor<float>(x{},y[2],z{})");
const auto &factory = StreamedValueBuilderFactory::get();
std::unique_ptr<ValueBuilder<float>> builder = factory.create_value_builder<float>(type);
float seq = 0.0;
for (vespalib::string x: {"a", "b", "c"}) {
for (vespalib::string y: {"aa", "bb"}) {
std::vector<vespalib::stringref> addr = {x, y};
auto subspace = builder->add_subspace(addr);
EXPECT_EQ(subspace.size(), 2);
subspace[0] = seq + 1.0;
subspace[1] = seq + 5.0;
seq += 10.0;
}
seq += 100.0;
}
std::unique_ptr<Value> value = builder->build(std::move(builder));
EXPECT_EQ(value->index().size(), 6);
std::vector<size_t> view_dims = { 0 };
auto view = value->index().create_view(view_dims);
Handle query_handle("b");
string_id query = query_handle.id();
string_id label;
size_t subspace;
std::map<vespalib::string,size_t> result;
view->lookup(CPA{&query});
while (view->next_result(PA{&label}, subspace)) {
result[as_str(label)] = subspace;
}
EXPECT_EQ(result.size(), 2);
EXPECT_EQ(result["aa"], 2);
EXPECT_EQ(result["bb"], 3);
}
GenSpec::seq_t N_16ths = [] (size_t i) noexcept { return (i + 1.0) / 16.0; };
TEST(StreamedValueTest, new_generic_join_works_for_streamed_values) {
ASSERT_TRUE((join_layouts.size() % 2) == 0);
for (size_t i = 0; i < join_layouts.size(); i += 2) {
const auto l = join_layouts[i].cpy().seq(N_16ths);
const auto r = join_layouts[i + 1].cpy().seq(N_16ths);
for (CellType lct : CellTypeUtils::list_types()) {
auto lhs = l.cpy().cells(lct);
if (lhs.bad_scalar()) continue;
for (CellType rct : CellTypeUtils::list_types()) {
auto rhs = r.cpy().cells(rct);
if (rhs.bad_scalar()) continue;
for (auto fun: {operation::Add::f, operation::Sub::f, operation::Mul::f, operation::Max::f}) {
SCOPED_TRACE(fmt("\n===\nLHS: %s\nRHS: %s\n===\n", lhs.gen().to_string().c_str(), rhs.gen().to_string().c_str()));
auto expect = ReferenceOperations::join(lhs, rhs, fun);
auto actual = streamed_value_join(lhs, rhs, fun);
EXPECT_EQ(actual, expect);
}
}
}
}
}
GTEST_MAIN_RUN_ALL_TESTS()
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