提交 106d063c 编写于 作者: Y yangyaming

Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into fix-7346

......@@ -114,5 +114,21 @@ void Free<platform::CUDAPlace>(platform::CUDAPlace place, void* p) {
#endif
size_t Usage::operator()(const platform::CPUPlace& cpu) const {
return Used(cpu);
}
size_t Usage::operator()(const platform::CUDAPlace& gpu) const {
#ifdef PADDLE_WITH_CUDA
return Used(gpu);
#else
PADDLE_THROW("'CUDAPlace' is not supported in CPU only device.");
#endif
}
size_t memory_usage(const platform::Place& p) {
return boost::apply_visitor(Usage(), p);
}
} // namespace memory
} // namespace paddle
......@@ -54,6 +54,13 @@ void Free(Place place, void* ptr);
template <typename Place>
size_t Used(Place place);
struct Usage : public boost::static_visitor<size_t> {
size_t operator()(const platform::CPUPlace& cpu) const;
size_t operator()(const platform::CUDAPlace& gpu) const;
};
size_t memory_usage(const platform::Place& p);
/**
* \brief Free memory block in one place.
*
......
......@@ -44,6 +44,9 @@ TEST(BuddyAllocator, CPUAllocation) {
EXPECT_NE(p, nullptr);
paddle::platform::Place place = cpu;
EXPECT_EQ(paddle::memory::Used(cpu), paddle::memory::memory_usage(place));
paddle::memory::Free(cpu, p);
}
......@@ -99,6 +102,9 @@ TEST(BuddyAllocator, GPUAllocation) {
EXPECT_NE(p, nullptr);
paddle::platform::Place place = gpu;
EXPECT_EQ(paddle::memory::Used(gpu), paddle::memory::memory_usage(place));
paddle::memory::Free(gpu, p);
}
......
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