未验证 提交 e114f892 编写于 作者: Z Zhen Wang 提交者: GitHub

[Cherry-pick]Fix the compiling error of update_loss_scaling when using cuda9.(#30538) #30539

Fix the compiling error of update_loss_scaling when using cuda9.
上级 46322911
......@@ -14,6 +14,9 @@
#pragma once
#if defined(PADDLE_WITH_CUDA) && defined(__NVCC__)
#include <cuda.h>
#endif // PADDLE_WITH_CUDA && __NVCC__
#include <cmath>
#include <vector>
#include "paddle/fluid/framework/operator.h"
......@@ -29,9 +32,19 @@ namespace operators {
using Tensor = framework::Tensor;
template <typename T>
HOSTDEVICE void Update(const bool* found_inf_data,
const T* pre_loss_scaling_data, const int* good_in_data,
const int* bad_in_data, const int incr_every_n_steps,
inline HOSTDEVICE bool check_finite(T value) {
#if defined(PADDLE_WITH_CUDA) && defined(__NVCC__)
return isfinite(value);
#else
return std::isfinite(value);
#endif
}
template <typename T>
inline HOSTDEVICE void Update(const bool* found_inf_data,
const T* pre_loss_scaling_data,
const int* good_in_data, const int* bad_in_data,
const int incr_every_n_steps,
const int decr_every_n_nan_or_inf,
const float incr_ratio, const float decr_ratio,
T* updated_loss_scaling_data, int* good_out_data,
......@@ -51,7 +64,7 @@ HOSTDEVICE void Update(const bool* found_inf_data,
*good_out_data = *good_in_data + 1;
if (*good_out_data == incr_every_n_steps) {
T new_loss_scaling = *pre_loss_scaling_data * incr_ratio;
*updated_loss_scaling_data = std::isfinite(new_loss_scaling)
*updated_loss_scaling_data = check_finite(new_loss_scaling)
? new_loss_scaling
: *pre_loss_scaling_data;
*good_out_data = 0;
......
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