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@ -12,11 +12,11 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include <type_traits>
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#include "paddle/fluid/operators/math/detail/activation_functions.h"
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#include "paddle/fluid/platform/hostdevice.h"
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#include <type_traits>
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// TODO(guosheng): refine code style in gru_kernel
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namespace paddle {
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namespace operators {
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@ -28,25 +28,25 @@ namespace forward {
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template <typename T>
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class gru_resetOutput {
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public:
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HOSTDEVICE void operator()(T &value_update_gate, T &value_reset_gate,
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T &prev_out, T &value_reset_output,
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HOSTDEVICE void operator()(T *value_update_gate, T *value_reset_gate,
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T *prev_out, T *value_reset_output,
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ActivationType act_gate) {
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value_update_gate = activation(value_update_gate, act_gate);
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value_reset_gate = activation(value_reset_gate, act_gate);
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value_reset_output = prev_out * value_reset_gate;
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*value_update_gate = activation(*value_update_gate, act_gate);
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*value_reset_gate = activation(*value_reset_gate, act_gate);
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*value_reset_output = (*prev_out) * (*value_reset_gate);
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}
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#ifndef __NVCC__
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#ifndef __AVX__
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static const bool avx = false;
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#else
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static const bool avx = true;
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HOSTDEVICE void operator()(__m256 &value_update_gate,
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__m256 &value_reset_gate, __m256 &prev_out,
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__m256 &value_reset_output,
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HOSTDEVICE void operator()(__m256 *value_update_gate,
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__m256 *value_reset_gate, __m256 *prev_out,
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__m256 *value_reset_output,
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ActivationType act_gate) {
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value_update_gate = activation(value_update_gate, act_gate);
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value_reset_gate = activation(value_reset_gate, act_gate);
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value_reset_output = _mm256_mul_ps(prev_out, value_reset_gate);
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*value_update_gate = activation(*value_update_gate, act_gate);
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*value_reset_gate = activation(*value_reset_gate, act_gate);
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*value_reset_output = _mm256_mul_ps(*prev_out, *value_reset_gate);
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}
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#endif
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#endif
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@ -55,25 +55,25 @@ class gru_resetOutput {
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template <typename T>
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class gru_finalOutput {
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public:
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HOSTDEVICE void operator()(T &value_update_gate, T &value_frame_state,
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T &prev_out, T &value_output,
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HOSTDEVICE void operator()(T *value_update_gate, T *value_frame_state,
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T *prev_out, T *value_output,
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ActivationType act_input) {
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value_frame_state = activation(value_frame_state, act_input);
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value_output = prev_out - (value_update_gate * prev_out) +
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(value_update_gate * value_frame_state);
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*value_frame_state = activation(*value_frame_state, act_input);
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*value_output = *prev_out - ((*value_update_gate) * (*prev_out)) +
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((*value_update_gate) * (*value_frame_state));
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}
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#ifndef __NVCC__
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#ifndef __AVX__
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static const bool avx = false;
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#else
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static const bool avx = true;
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HOSTDEVICE void operator()(__m256 &value_update_gate,
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__m256 &value_frame_state, __m256 &prev_out,
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__m256 &value_output, ActivationType act_input) {
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value_frame_state = activation(value_frame_state, act_input);
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value_output = _mm256_add_ps(
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_mm256_sub_ps(prev_out, _mm256_mul_ps(value_update_gate, prev_out)),
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_mm256_mul_ps(value_update_gate, value_frame_state));
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HOSTDEVICE void operator()(__m256 *value_update_gate,
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__m256 *value_frame_state, __m256 *prev_out,
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__m256 *value_output, ActivationType act_input) {
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*value_frame_state = activation(*value_frame_state, act_input);
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*value_output = _mm256_add_ps(
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_mm256_sub_ps(*prev_out, _mm256_mul_ps(*value_update_gate, *prev_out)),
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_mm256_mul_ps(*value_update_gate, *value_frame_state));
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}
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#endif
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#endif
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@ -85,37 +85,38 @@ namespace backward {
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template <typename T>
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class gru_stateGrad {
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public:
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HOSTDEVICE void operator()(T &value_update_gate, T &grad_update_gate,
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T &value_frame_state, T &grad_frame_state,
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T &value_prev_out, T &grad_prev_out,
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T &grad_output, ActivationType act_input) {
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grad_update_gate = (grad_output * value_frame_state);
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grad_update_gate -= (grad_output * value_prev_out);
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grad_prev_out -= (grad_output * value_update_gate);
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grad_prev_out += grad_output;
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grad_frame_state = activation(grad_output * value_update_gate,
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value_frame_state, act_input);
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HOSTDEVICE void operator()(T *value_update_gate, T *grad_update_gate,
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T *value_frame_state, T *grad_frame_state,
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T *value_prev_out, T *grad_prev_out,
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T *grad_output, ActivationType act_input) {
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*grad_update_gate = (*grad_output * (*value_frame_state));
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*grad_update_gate -= (*grad_output * (*value_prev_out));
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*grad_prev_out -= (*grad_output * (*value_update_gate));
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*grad_prev_out += *grad_output;
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*grad_frame_state = activation(*grad_output * (*value_update_gate),
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*value_frame_state, act_input);
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}
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#ifndef __NVCC__
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#ifndef __AVX__
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static const bool avx = false;
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#else
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static const bool avx = true;
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HOSTDEVICE void operator()(__m256 &value_update_gate,
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__m256 &grad_update_gate,
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__m256 &value_frame_state,
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__m256 &grad_frame_state, __m256 &value_prev_out,
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__m256 &grad_prev_out, __m256 &grad_output,
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HOSTDEVICE void operator()(__m256 *value_update_gate,
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__m256 *grad_update_gate,
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__m256 *value_frame_state,
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__m256 *grad_frame_state, __m256 *value_prev_out,
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__m256 *grad_prev_out, __m256 *grad_output,
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ActivationType act_input) {
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grad_update_gate = _mm256_mul_ps(grad_output, value_frame_state);
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grad_update_gate = _mm256_sub_ps(
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grad_update_gate, _mm256_mul_ps(grad_output, value_prev_out));
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grad_prev_out = _mm256_add_ps(
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_mm256_sub_ps(grad_prev_out,
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_mm256_mul_ps(grad_output, value_update_gate)),
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grad_output);
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grad_frame_state = activation(_mm256_mul_ps(grad_output, value_update_gate),
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value_frame_state, act_input);
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*grad_update_gate = _mm256_mul_ps(*grad_output, *value_frame_state);
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*grad_update_gate = _mm256_sub_ps(
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*grad_update_gate, _mm256_mul_ps(*grad_output, *value_prev_out));
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*grad_prev_out = _mm256_add_ps(
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_mm256_sub_ps(*grad_prev_out,
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_mm256_mul_ps(*grad_output, *value_update_gate)),
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*grad_output);
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*grad_frame_state =
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activation(_mm256_mul_ps(*grad_output, *value_update_gate),
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*value_frame_state, act_input);
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}
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#endif
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#endif
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@ -124,32 +125,34 @@ class gru_stateGrad {
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template <typename T>
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class gru_resetGrad {
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public:
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HOSTDEVICE void operator()(T &value_update_gate, T &grad_update_gate,
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T &value_reset_gate, T &grad_reset_gate,
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T &value_prev_out, T &grad_prev_out,
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T &grad_reset_output, ActivationType act_gate) {
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grad_reset_gate = (grad_reset_output * value_prev_out);
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grad_prev_out += (grad_reset_output * value_reset_gate);
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grad_update_gate =
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activation(grad_update_gate, value_update_gate, act_gate);
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grad_reset_gate = activation(grad_reset_gate, value_reset_gate, act_gate);
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HOSTDEVICE void operator()(T *value_update_gate, T *grad_update_gate,
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T *value_reset_gate, T *grad_reset_gate,
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T *value_prev_out, T *grad_prev_out,
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T *grad_reset_output, ActivationType act_gate) {
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*grad_reset_gate = (*grad_reset_output * (*value_prev_out));
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*grad_prev_out += (*grad_reset_output * (*value_reset_gate));
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*grad_update_gate =
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activation(*grad_update_gate, *value_update_gate, act_gate);
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*grad_reset_gate =
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activation(*grad_reset_gate, *value_reset_gate, act_gate);
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}
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#ifndef __NVCC__
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#ifndef __AVX__
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static const bool avx = false;
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#else
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static const bool avx = true;
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HOSTDEVICE void operator()(__m256 &value_update_gate,
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__m256 &grad_update_gate, __m256 &value_reset_gate,
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__m256 &grad_reset_gate, __m256 &value_prev_out,
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__m256 &grad_prev_out, __m256 &grad_reset_output,
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HOSTDEVICE void operator()(__m256 *value_update_gate,
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__m256 *grad_update_gate, __m256 *value_reset_gate,
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__m256 *grad_reset_gate, __m256 *value_prev_out,
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__m256 *grad_prev_out, __m256 *grad_reset_output,
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ActivationType act_gate) {
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grad_reset_gate = _mm256_mul_ps(grad_reset_output, value_prev_out);
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grad_prev_out = _mm256_add_ps(
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grad_prev_out, _mm256_mul_ps(grad_reset_output, value_reset_gate));
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grad_update_gate =
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activation(grad_update_gate, value_update_gate, act_gate);
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grad_reset_gate = activation(grad_reset_gate, value_reset_gate, act_gate);
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*grad_reset_gate = _mm256_mul_ps(*grad_reset_output, *value_prev_out);
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*grad_prev_out = _mm256_add_ps(
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*grad_prev_out, _mm256_mul_ps(*grad_reset_output, *value_reset_gate));
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*grad_update_gate =
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activation(*grad_update_gate, *value_update_gate, act_gate);
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*grad_reset_gate =
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activation(*grad_reset_gate, *value_reset_gate, act_gate);
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}
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#endif
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#endif
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