Files
paddlepaddle--paddle/test/cpp/phi/core/test_ddim.cc
T
2026-07-13 12:40:42 +08:00

137 lines
3.8 KiB
C++

// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <sstream>
#include "gtest/gtest.h"
#include "paddle/phi/core/ddim.h"
namespace phi {
namespace tests {
TEST(DDim, Equality) {
// default construct ddim
phi::DDim default_ddim;
EXPECT_EQ(arity(default_ddim), -1);
EXPECT_EQ(default_ddim[0], 0);
// construct a zero-DDim
phi::DDim zero_ddim = common::make_ddim({});
EXPECT_EQ(arity(zero_ddim), 0);
EXPECT_EQ(zero_ddim.size(), 0);
EXPECT_EQ(common::product(zero_ddim), 1);
std::vector<int64_t> zero_vec;
phi::DDim zero_ddim1 = common::make_ddim(zero_vec);
EXPECT_EQ(arity(zero_ddim1), 0);
EXPECT_EQ(zero_ddim1.size(), 0);
EXPECT_EQ(common::product(zero_ddim1), 1);
// zero-DDim to vector
std::vector<int64_t> zero_ddim_vec = common::vectorize(zero_ddim);
EXPECT_EQ(zero_ddim_vec.size(), size_t(0));
// reshape zero-DDim
std::vector<int> reshape_vec = {1};
phi::DDim reshape_ddim = zero_ddim.reshape(reshape_vec);
EXPECT_EQ(arity(reshape_ddim), 1);
EXPECT_EQ(reshape_ddim.size(), 1);
EXPECT_EQ(common::product(reshape_ddim), 1);
// construct a DDim from an initialization list
phi::DDim ddim = common::make_ddim({9, 1, 5});
EXPECT_EQ(ddim[0], 9);
EXPECT_EQ(ddim[1], 1);
EXPECT_EQ(ddim[2], 5);
// arity of a DDim
EXPECT_EQ(common::arity(ddim), 3);
EXPECT_EQ(ddim.size(), 3);
// mutate a DDim
ddim[1] = 2;
EXPECT_EQ(ddim[1], 2);
ddim[0] = 6;
EXPECT_EQ(ddim[0], 6);
// construct a DDim from a vector
std::vector<int64_t> vec({9, 1, 5});
phi::DDim vddim = common::make_ddim(vec);
EXPECT_EQ(vddim[0], 9);
EXPECT_EQ(vddim[1], 1);
EXPECT_EQ(vddim[2], 5);
// vectorize a DDim
std::vector<int64_t> res_vec = common::vectorize(vddim);
EXPECT_EQ(res_vec[0], 9);
EXPECT_EQ(res_vec[1], 1);
EXPECT_EQ(res_vec[2], 5);
phi::Dim<3> d(3, 2, 1);
res_vec = common::vectorize(phi::DDim(d));
EXPECT_EQ(res_vec[0], 3);
EXPECT_EQ(res_vec[1], 2);
EXPECT_EQ(res_vec[2], 1);
// product of a DDim
EXPECT_EQ(common::product(vddim), 45);
EXPECT_EQ(common::product(common::make_ddim({3, 2, 5, 3})), 90);
// slice a DDim
phi::DDim ddim2 = common::make_ddim({1, 2, 3, 4, 5, 6});
phi::DDim slice_dim1 = common::slice_ddim(ddim2, 2, 5);
EXPECT_EQ(arity(slice_dim1), 3);
EXPECT_EQ(slice_dim1[0], 3);
EXPECT_EQ(slice_dim1[1], 4);
EXPECT_EQ(slice_dim1[2], 5);
phi::DDim slice_dim2 = common::slice_ddim(ddim2, 0, 6);
EXPECT_EQ(arity(slice_dim2), 6);
EXPECT_EQ(slice_dim2[0], 1);
EXPECT_EQ(slice_dim2[1], 2);
EXPECT_EQ(slice_dim2[2], 3);
EXPECT_EQ(slice_dim2[3], 4);
EXPECT_EQ(slice_dim2[4], 5);
EXPECT_EQ(slice_dim2[5], 6);
phi::DDim slice_dim3 = common::slice_ddim(ddim2, 1, 1);
EXPECT_EQ(arity(slice_dim3), 0);
EXPECT_EQ(slice_dim3.size(), 0);
EXPECT_EQ(common::product(slice_dim3), 1);
}
TEST(DDim, Print) {
// print a DDim
std::stringstream ss1;
phi::DDim ddim = common::make_ddim({2, 3, 4});
ss1 << ddim;
EXPECT_EQ("2, 3, 4", ss1.str());
// print a zero-DDim
std::stringstream ss2;
phi::DDim zero_ddim = common::make_ddim({});
ss2 << zero_ddim;
EXPECT_EQ("", ss2.str());
}
TEST(DDim, Hash) {
// hash a DDim
std::size_t h = 0;
phi::DDim ddim = common::make_ddim({2, 3, 4});
h = std::hash<phi::DDim>()(ddim);
EXPECT_EQ(h, 0xa16fb2b2967ul);
}
} // namespace tests
} // namespace phi