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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/eval/eval/simple_value.h>
#include <vespa/eval/eval/fast_value.h>
#include <vespa/eval/eval/value_codec.h>
#include <vespa/eval/eval/value_codec.h>
#include <vespa/eval/instruction/generic_concat.h>
#include <vespa/eval/eval/interpreted_function.h>
#include <vespa/eval/eval/test/reference_operations.h>
#include <vespa/eval/eval/test/tensor_model.hpp>
#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;
std::vector<Layout> concat_layouts = {
{}, {},
{}, {y(5)},
float_cells({y(5)}), {},
{}, float_cells({y(5)}),
{y(5)}, {},
{y(2)}, {y(3)},
{y(2)}, {x(3)},
{x(2)}, {z(3)},
{x(2),y(3)}, {x(2),y(3)},
{x(2),y(3)}, {x(2),y(4)},
{y(3),z(5)}, {y(3),z(5)},
{y(3),z(5)}, {y(4),z(5)},
{x(2),y(3),z(5)}, {x(2),y(3),z(5)},
{x(2),y(3),z(5)}, {x(2),y(4),z(5)},
{x(2),y(3),z({"a","b"})}, {x(2),y(3),z({"b","c"})},
{x(2),y(3),z({"a","b"})}, {x(2),y(4),z({"b","c"})},
{y(5)}, {y(2),x(5)},
{x(3)}, {y(2),z(3)},
{y(2)}, {y(3),x(5),z(2)},
{y(2),x(5),z(2)}, {y(3),x(5),z(2)},
{y(3),x(5)}, {x(5),z(7)},
float_cells({y(3),x(5)}), {x(5),z(7)},
float_cells({y(3),x(5)}), {},
{y(3),x(5)}, float_cells({x(5),z(7)}),
float_cells({y(3),x(5)}), float_cells({x(5),z(7)}),
{x({"a","b","c"})}, {x({"a","b","c"})},
{x({"a","b","c"})}, {x({"a","b"})},
{x({"a","b","c"})}, {x({"b","c","d"})},
float_cells({x({"a","b","c"})}), {x({"b","c","d"})},
{x({"a","b","c"})}, float_cells({x({"b","c","d"})}),
float_cells({x({"a","b","c"})}), float_cells({z({"foo","bar","baz"})}),
{x({"a","b","c"})}, {x({"a","b","c"}),z({"foo","bar","baz"})},
{x({"a","b"}),z({"foo","bar","baz"})}, {x({"a","b","c"}),z({"foo","bar"})},
{y(2),x({"a","b","c"})}, {y(3),x({"b","c","d"})},
{y(2),x({"a","b"})}, {y(3),z({"c","d"})}
};
TensorSpec perform_generic_concat(const TensorSpec &a, const TensorSpec &b,
const std::string &concat_dim, const ValueBuilderFactory &factory)
{
Stash stash;
auto lhs = value_from_spec(a, factory);
auto rhs = value_from_spec(b, factory);
auto my_op = GenericConcat::make_instruction(lhs->type(), rhs->type(), concat_dim, factory, stash);
InterpretedFunction::EvalSingle single(factory, my_op);
return spec_from_value(single.eval(std::vector<Value::CREF>({*lhs,*rhs})));
}
void test_generic_concat_with(const ValueBuilderFactory &factory) {
ASSERT_TRUE((concat_layouts.size() % 2) == 0);
for (size_t i = 0; i < concat_layouts.size(); i += 2) {
const TensorSpec lhs = spec(concat_layouts[i], N());
const TensorSpec rhs = spec(concat_layouts[i + 1], Div16(N()));
SCOPED_TRACE(fmt("\n===\nin LHS: %s\nin RHS: %s\n===\n", lhs.to_string().c_str(), rhs.to_string().c_str()));
auto actual = perform_generic_concat(lhs, rhs, "y", factory);
auto expect = ReferenceOperations::concat(lhs, rhs, "y");
EXPECT_EQ(actual, expect);
}
}
TEST(GenericConcatTest, generic_concat_works_for_simple_values) {
test_generic_concat_with(SimpleValueBuilderFactory::get());
}
TEST(GenericConcatTest, generic_concat_works_for_fast_values) {
test_generic_concat_with(FastValueBuilderFactory::get());
}
TEST(GenericConcatTest, dense_concat_plan_can_be_created) {
auto lhs = ValueType::from_spec("tensor(a[2],b[3],c[5],d{},f[2],g[3])");
auto rhs = ValueType::from_spec("tensor(a[2],b[3],c[7],e{},h[3],i[4])");
auto res_type = ValueType::concat(lhs, rhs, "c");
auto plan = DenseConcatPlan(lhs, rhs, "c", res_type);
EXPECT_EQ(plan.right_offset, 5*2*3*3*4);
EXPECT_EQ(plan.output_size, 2*3*12*2*3*3*4);
EXPECT_EQ(plan.left.input_size, 2*3*5*2*3);
std::vector<size_t> expect_left_loop = { 6, 5, 6, 12 };
std::vector<size_t> expect_left_in_s = { 30, 6, 1, 0 };
std::vector<size_t> expect_left_out_s = { 864, 72, 12, 1 };
EXPECT_EQ(plan.left.in_loop_cnt, expect_left_loop);
EXPECT_EQ(plan.left.in_stride, expect_left_in_s);
EXPECT_EQ(plan.left.out_stride, expect_left_out_s);
EXPECT_EQ(plan.right.input_size, 2*3*7*3*4);
std::vector<size_t> expect_right_loop = { 6, 7, 6, 12 };
std::vector<size_t> expect_right_in_s = { 84, 12, 0, 1 };
std::vector<size_t> expect_right_out_s = { 864, 72, 12, 1 };
EXPECT_EQ(plan.right.in_loop_cnt, expect_right_loop);
EXPECT_EQ(plan.right.in_stride, expect_right_in_s);
EXPECT_EQ(plan.right.out_stride, expect_right_out_s);
}
GTEST_MAIN_RUN_ALL_TESTS()
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