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#include "caffe2/perfkernels/lstm_unit_cpu_common.h"
#include "caffe2/perfkernels/common.h"
#include "caffe2/perfkernels/lstm_unit_cpu-impl.h"
namespace caffe2 {
namespace detail {
// Define templated implementation fo LSTM kernels on CPU
template <typename T>
void LstmUnitCpu(
const int N,
const int D,
const int t,
const T* H_prev,
const T* C_prev,
const T* X,
const int32_t* seqLengths,
const bool drop_states,
T* C,
T* H,
const float forget_bias) {
// Do CPU dispatching
AVX2_FMA_DO(
perfkernels::LstmUnitImpl,
N,
D,
t,
H_prev,
C_prev,
X,
seqLengths,
drop_states,
C,
H,
forget_bias);
perfkernels::LstmUnitImpl(
N, D, t, H_prev, C_prev, X, seqLengths, drop_states, C, H, forget_bias);
}
template <typename T>
void LstmUnitGradientCpu(
int N,
int D,
int t,
const T* C_prev,
const T* X,
const int32_t* seqLengths,
const T* C,
const T* H,
const T* C_diff,
const T* H_diff,
bool drop_states,
T* H_prev_diff,
T* C_prev_diff,
T* X_diff,
const float forget_bias) {
// Do CPU dispatching
AVX2_FMA_DO(
perfkernels::LstmUnitGradientImpl,
N,
D,
t,
C_prev,
X,
seqLengths,
C,
H,
C_diff,
H_diff,
drop_states,
H_prev_diff,
C_prev_diff,
X_diff,
forget_bias);
perfkernels::LstmUnitGradientImpl(
N,
D,
t,
C_prev,
X,
seqLengths,
C,
H,
C_diff,
H_diff,
drop_states,
H_prev_diff,
C_prev_diff,
X_diff,
forget_bias);
}
// Explicit initialize for float
template void LstmUnitCpu<float>(
const int N,
const int D,
const int t,
const float* H_prev,
const float* C_prev,
const float* X,
const int32_t* seqLengths,
const bool drop_states,
float* C,
float* H,
const float forget_bias);
template void LstmUnitGradientCpu<float>(
int N,
int D,
int t,
const float* C_prev,
const float* X,
const int32_t* seqLengths,
const float* C,
const float* H,
const float* C_diff,
const float* H_diff,
bool drop_states,
float* H_prev_diff,
float* C_prev_diff,
float* X_diff,
const float forget_bias);
} // namespace detail
} // namespace caffe2
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