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// Copyright (c) Facebook, Inc. and its affiliates.
//
// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree.
#ifndef ops_H
#define ops_H
#include <stdio.h>
#include <iostream>
#include <unistd.h>
#include <assert.h>
#include <cuda_runtime_api.h>
#include <cuda_fp16.h>
#define CUDA_CHECK_RETURN(value) { \
cudaError_t _m_cudaStat = value; \
if (_m_cudaStat != cudaSuccess) { \
fprintf(stderr, "Error %s at line %d in file %s\n", \
cudaGetErrorString(_m_cudaStat), __LINE__, __FILE__); \
exit(1); \
} }
#define THREADS_PER_BLOCKS (512)
typedef enum Operations_t
{
ksmul = 0,
} Operations_t;
typedef enum Optimizer_t
{
ADAM = 0,
MOMENTUM = 1,
RMSPROP = 2,
LARS = 3,
} Optimizer_t;
template <typename T> void estimateQuantiles(T *A, float *code, float offset, int n);
void quantize(float *code, float *A, unsigned char *out, int n);
void dequantize(float *code, unsigned char *A, float *out, int n);
template <typename T, int STOCHASTIC> void quantizeBlockwise(float * code, T *A, float *absmax, unsigned char *out, float* rand, int rand_offset, const int n);
template<typename T> void dequantizeBlockwise(float *code, unsigned char *A, float *absmax, T *out, int block_size, const int n);
template<typename T, int OPTIMIZER> void optimizer32bit(T* g, T* p,
float* state1, float* state2, float *unorm, float max_unorm, float param_norm,
float beta1, float beta2, float eps, float weight_decay,
int step, float lr, const float gnorm_scale, bool skip_zeros, int n);
template<typename T, int OPTIMIZER> void optimizerStatic8bit(T* p, T* g, unsigned char* state1, unsigned char* state2,
float *unorm, float max_unorm, float param_norm,
float beta1, float beta2,
float eps, int step, float lr,
float* quantiles1, float* quantiles2,
float* max1, float* max2, float* new_max1, float* new_max2,
float weight_decay,
const float gnorm_scale, int n);
template<typename T, int OPTIMIZER> void optimizerStatic8bitBlockwise(T* p, T* g,
unsigned char* state1, unsigned char* state2, float beta1, float beta2, float eps, int step, float lr,
float* quantiles1, float* quantiles2, float* absmax1, float* absmax2, float weight_decay, const float gnorm_scale,
bool skip_zeros, int n);
template<typename T> void percentileClipping(T * g, float *gnorm_vec, int step, const int n);
void quantize_cpu(float *code, float *A, float *absmax, unsigned char *out, int n);
void dequantize_cpu(float *code, unsigned char *A, float *absmax, float *out, int n);
void histogramScatterAdd2D(float* histogram, int *index1, int *index2, float *src, int maxidx1, int n);
#endif
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