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-rw-r--r--matrix/cuda_helper.h26
-rw-r--r--matrix/cukernel.h2
-rw-r--r--matrix/cumatrix.c34
-rw-r--r--matrix/generic/cukernel.cu138
-rw-r--r--matrix/generic/cumatrix.c97
-rw-r--r--matrix/generic/mmatrix.c4
-rw-r--r--matrix/init.c5
-rw-r--r--matrix/mmatrix.c29
8 files changed, 310 insertions, 25 deletions
diff --git a/matrix/cuda_helper.h b/matrix/cuda_helper.h
index cedc643..5e5f2ad 100644
--- a/matrix/cuda_helper.h
+++ b/matrix/cuda_helper.h
@@ -1,17 +1,23 @@
#ifndef NERV_CUDA_HELPER_H
#define NERV_CUDA_HELPER_H
+#include "cuda.h"
+#include "cuda_runtime.h"
+#include "driver_types.h"
+#include "cublas_v2.h"
#define CUBLAS_SAFE_CALL(call) \
do { \
cublasStatus_t err = (call); \
if (err != CUBLAS_STATUS_SUCCESS) \
- nerv_error(L, "cumatrix cublas error: %s", cublasGetErrorString(err)); \
+ nerv_error(L, "cumatrix cublas error: %s at %s:%d", \
+ cublasGetErrorString(err), __FILE__, __LINE__); \
} while (0)
#define CUDA_SAFE_CALL(call) \
do { \
cudaError_t err = (call); \
if (err != cudaSuccess) \
- nerv_error(L, "cumatrix CUDA error: %s", cudaGetErrorString(err)); \
+ nerv_error(L, "cumatrix CUDA error: %s at %s:%d", \
+ cudaGetErrorString(err), __FILE__, __LINE__); \
} while (0)
#define CUDA_SAFE_SYNC_CALL(call) \
@@ -52,4 +58,20 @@ static const char *cublasGetErrorString(cublasStatus_t err) {
}
return "<unknown>";
}
+
+#define PROFILE_START \
+ do { \
+ cudaEvent_t start, stop; \
+ cudaEventCreate(&start); \
+ cudaEventCreate(&stop); \
+ cudaEventRecord(start, 0);
+#define PROFILE_STOP \
+ cudaEventRecord(stop, 0); \
+ cudaEventSynchronize(stop); \
+ float milliseconds = 0; \
+ cudaEventElapsedTime(&milliseconds, start, stop); \
+ accu_profile(__func__, milliseconds / 1000); \
+ } while (0);
+
+#define PROFILE_END
#endif
diff --git a/matrix/cukernel.h b/matrix/cukernel.h
index 7d2168e..23398c8 100644
--- a/matrix/cukernel.h
+++ b/matrix/cukernel.h
@@ -5,7 +5,9 @@ void cudak_(cuda_sigmoid)(const Matrix *a, Matrix *b);
void cudak_(cuda_sigmoid_grad)(const Matrix *output, const Matrix *err, Matrix *nerr);
void cudak_(cuda_rowsum)(const Matrix *a, Matrix *b);
void cudak_(cuda_rowmax)(const Matrix *a, Matrix *b);
+void cudak_(cuda_rowmax_idx)(const Matrix *a, Matrix *b, Matrix *idx);
void cudak_(cuda_colsum)(const Matrix *a, Matrix *b);
+void cudak_(cuda_colsame)(const Matrix *a, const Matrix *ref, Matrix *b);
void cudak_(cuda_softmax_denominator)(const Matrix *a, const Matrix *max, Matrix *b);
void cudak_(cuda_softmax_final)(const Matrix *a, const Matrix *max, const Matrix *deno, Matrix *b);
void cudak_(cuda_add_row)(const Matrix *a, Matrix *b, double beta);
diff --git a/matrix/cumatrix.c b/matrix/cumatrix.c
index 51a3681..4ebc5ff 100644
--- a/matrix/cumatrix.c
+++ b/matrix/cumatrix.c
@@ -1,4 +1,38 @@
#define NERV_GENERIC_CUMATRIX
+#include "../common.h"
+#include "cuda_helper.h"
+static cublasHandle_t cublas_handle;
+static HashMap *profile;
+
+int print_profile(lua_State *L) {
+ size_t i;
+ fprintf(stderr, "*** [nerv cumatrix profile] **\n");
+ for (i = 0; i < profile->size; i++)
+ {
+ HashNode *ptr;
+ for (ptr = profile->bucket[i]; ptr; ptr = ptr->next)
+ {
+ fprintf(stderr, "%s:\t%.6f\n", ptr->key, *(float *)ptr->val);
+ }
+ }
+ return 0;
+}
+
+int clear_profile(lua_State *L) {
+ hashmap_clear(profile);
+ return 0;
+}
+
+void accu_profile(const char *name, float delta) {
+ float *val = hashmap_getval(profile, name);
+ if (!val)
+ {
+ val = malloc(sizeof(float));
+ *val = 0;
+ hashmap_setval(profile, name, val);
+ }
+ *val += delta;
+}
#define MATRIX_USE_FLOAT
#define cuda_matrix_(NAME) cuda_matrix_float_##NAME
diff --git a/matrix/generic/cukernel.cu b/matrix/generic/cukernel.cu
index 05a1e78..fdab356 100644
--- a/matrix/generic/cukernel.cu
+++ b/matrix/generic/cukernel.cu
@@ -3,6 +3,7 @@
#include <stdio.h>
#include "matrix.h"
#include "cuda.h"
+#include "float.h"
#define CUDA_THREADS_N 16
#define CUDA_THREADS_NN ((CUDA_THREADS_N) * (CUDA_THREADS_N))
#define CEIL_DIV(a, b) (((a) + (b) - 1) / (b))
@@ -11,9 +12,12 @@ __global__ void cudak_(log_elem)(const MATRIX_ELEM *a, MATRIX_ELEM *b,
int j = blockIdx.x * blockDim.x + threadIdx.x;
int i = blockIdx.y * blockDim.y + threadIdx.y;
long idx;
+ MATRIX_ELEM tmp;
if (i >= nrow || j >= ncol) return;
idx = j + i * stride;
- b[idx] = log(a[idx]);
+ tmp = a[idx];
+ if(tmp < FLT_MIN) tmp = FLT_MIN;
+ b[idx] = log(tmp);
}
__global__ void cudak_(mul_elem)(const MATRIX_ELEM *a, const MATRIX_ELEM *b,
@@ -61,9 +65,9 @@ __global__ void cudak_(softmax_final)(const MATRIX_ELEM *a, MATRIX_ELEM *b,
}
__global__ void cudak_(block_reduce_rowsum)(const MATRIX_ELEM *input,
- MATRIX_ELEM *output,
- const int istride, const int ostride,
- const int n) {
+ MATRIX_ELEM *output,
+ const int istride, const int ostride,
+ const int n) {
extern __shared__ MATRIX_ELEM cudak_(arr)[];
int j = blockIdx.x * blockDim.x + threadIdx.x;
cudak_(arr)[threadIdx.x] = j < n ? input[j + istride * blockIdx.y] : 0;
@@ -96,6 +100,26 @@ __global__ void cudak_(block_reduce_colsum)(const MATRIX_ELEM *input,
output[blockIdx.x + ostride * blockIdx.y] = cudak_(arr)[0];
}
+__global__ void cudak_(block_reduce_colsame)(const MATRIX_ELEM *input,
+ const MATRIX_ELEM *ref_input,
+ MATRIX_ELEM *output,
+ const int istride, const int ostride,
+ const int n) {
+ extern __shared__ MATRIX_ELEM cudak_(arr)[];
+ int i = blockIdx.y * blockDim.y + threadIdx.y;
+ cudak_(arr)[threadIdx.y] = (i < n && input[blockIdx.x + istride * i] == \
+ ref_input[blockIdx.x + istride * i]) ? 1.0 : 0;
+ __syncthreads();
+ for (int offset = blockDim.y >> 1; offset; offset >>= 1)
+ {
+ if (threadIdx.y < offset)
+ cudak_(arr)[threadIdx.y] += cudak_(arr)[threadIdx.y + offset];
+ __syncthreads();
+ }
+ if (threadIdx.y == 0)
+ output[blockIdx.x + ostride * blockIdx.y] = cudak_(arr)[0];
+}
+
__global__ void cudak_(block_reduce_softmax_rowsum)(const MATRIX_ELEM *input,
MATRIX_ELEM *output,
const MATRIX_ELEM *max,
@@ -117,9 +141,9 @@ __global__ void cudak_(block_reduce_softmax_rowsum)(const MATRIX_ELEM *input,
}
__global__ void cudak_(block_reduce_rowmax)(const MATRIX_ELEM *input,
- MATRIX_ELEM *output,
- const int istride, const int ostride,
- const int n) {
+ MATRIX_ELEM *output,
+ const int istride, const int ostride,
+ const int n) {
extern __shared__ MATRIX_ELEM cudak_(arr)[];
int j = blockIdx.x * blockDim.x + threadIdx.x;
cudak_(arr)[threadIdx.x] = j < n ? input[j + istride * blockIdx.y] : 0;
@@ -129,8 +153,9 @@ __global__ void cudak_(block_reduce_rowmax)(const MATRIX_ELEM *input,
if (threadIdx.x < offset)
{
MATRIX_ELEM l = cudak_(arr)[threadIdx.x],
- r = cudak_(arr)[threadIdx.x + offset];
- if (r > l) cudak_(arr)[threadIdx.x] = r;
+ r = cudak_(arr)[threadIdx.x + offset];
+ if (r > l)
+ cudak_(arr)[threadIdx.x] = r;
}
__syncthreads();
}
@@ -138,6 +163,40 @@ __global__ void cudak_(block_reduce_rowmax)(const MATRIX_ELEM *input,
output[blockIdx.x + ostride * blockIdx.y] = cudak_(arr)[0];
}
+__global__ void cudak_(block_reduce_rowmax_idx)(const MATRIX_ELEM *input,
+ const MATRIX_ELEM *idx_input,
+ MATRIX_ELEM *output,
+ MATRIX_ELEM *idx_output,
+ const int istride, const int ostride,
+ const int n) {
+ extern __shared__ MATRIX_ELEM cudak_(arr)[];
+ MATRIX_ELEM *arr_val = cudak_(arr);
+ MATRIX_ELEM *arr_idx = arr_val + blockDim.x;
+ int j = blockIdx.x * blockDim.x + threadIdx.x;
+ arr_val[threadIdx.x] = j < n ? input[j + istride * blockIdx.y] : 0;
+ arr_idx[threadIdx.x] = j < n ? idx_input[j + istride * blockIdx.y] : 0;
+ __syncthreads();
+ for (int offset = blockDim.x >> 1; offset; offset >>= 1)
+ {
+ if (threadIdx.x < offset)
+ {
+ MATRIX_ELEM l = arr_val[threadIdx.x],
+ r = arr_val[threadIdx.x + offset];
+ if (r > l)
+ {
+ arr_val[threadIdx.x] = r;
+ arr_idx[threadIdx.x] = arr_idx[threadIdx.x + offset];
+ }
+ }
+ __syncthreads();
+ }
+ if (threadIdx.x == 0)
+ {
+ output[blockIdx.x + ostride * blockIdx.y] = arr_val[0];
+ idx_output[blockIdx.x + ostride * blockIdx.y] = arr_idx[0];
+ }
+}
+
__global__ void cudak_(add_row)(const MATRIX_ELEM *a, MATRIX_ELEM *b,
int nrow, int ncol, int stride, double beta) {
int j = blockIdx.x * blockDim.x + threadIdx.x;
@@ -196,6 +255,14 @@ __global__ void cudak_(decompress)(const MATRIX_ELEM *a, MATRIX_ELEM *b,
b[lrintf(a[j + i * stride_a]) + i * stride_b] = 1.0;
}
+__global__ void cudak_(gen_col_idx)(MATRIX_ELEM *b,
+ int nrow, int ncol, int stride) {
+ int j = blockIdx.x * blockDim.x + threadIdx.x;
+ int i = blockIdx.y * blockDim.y + threadIdx.y;
+ if (i >= nrow || j >= ncol) return;
+ b[j + i * stride] = j;
+}
+
extern "C" {
#include "../cukernel.h"
void cudak_(cuda_log_elem)(const Matrix *a, Matrix *b) {
@@ -261,10 +328,32 @@ extern "C" {
cudaFree(res);
}
+ void cudak_(cuda_colsame)(const Matrix *a, const Matrix *ref, Matrix *b) {
+ dim3 block(1, CUDA_THREADS_NN);
+ int nrow = a->nrow;
+ int blocks_per_col = CEIL_DIV(nrow, block.y);
+ dim3 grid(a->ncol, blocks_per_col);
+ MATRIX_ELEM *res;
+ size_t stride;
+ cudaMallocPitch(&res, &stride, a->ncol * sizeof(MATRIX_ELEM), blocks_per_col);
+ cudak_(block_reduce_colsame)<<<grid, block, block.y * sizeof(MATRIX_ELEM)>>> \
+ (MATRIX_ELEM_PTR(a), MATRIX_ELEM_PTR(ref), res,
+ a->stride / sizeof(MATRIX_ELEM), stride / sizeof(MATRIX_ELEM),
+ nrow);
+ nrow = blocks_per_col;
+ assert((unsigned long)nrow <= block.y);
+ grid.y = 1;
+ cudak_(block_reduce_colsum)<<<grid, block, block.y * sizeof(MATRIX_ELEM)>>> \
+ (res, MATRIX_ELEM_PTR(b),
+ stride / sizeof(MATRIX_ELEM), b->stride / sizeof(MATRIX_ELEM),
+ nrow);
+ cudaFree(res);
+ }
+
void cudak_(cuda_colsum)(const Matrix *a, Matrix *b) {
dim3 block(1, CUDA_THREADS_NN);
int nrow = a->nrow;
- int blocks_per_col = CEIL_DIV(nrow, block.x);
+ int blocks_per_col = CEIL_DIV(nrow, block.y);
dim3 grid(a->ncol, blocks_per_col);
MATRIX_ELEM *res;
size_t stride;
@@ -344,6 +433,35 @@ extern "C" {
cudaFree(res);
}
+ void cudak_(cuda_rowmax_idx)(const Matrix *a, Matrix *b, Matrix *b_idx) {
+ dim3 block(CUDA_THREADS_NN, 1);
+ int ncol = a->ncol;
+ int blocks_per_row = CEIL_DIV(ncol, block.x);
+ dim3 grid(blocks_per_row, a->nrow);
+ MATRIX_ELEM *a_idx, *res, *res_idx;
+ size_t stride;
+ cudaMallocPitch(&a_idx, &stride, a->stride, a->nrow);
+ cudak_(gen_col_idx)<<<grid, block>>>(a_idx, a->nrow, ncol, stride / sizeof(MATRIX_ELEM));
+ cudaMallocPitch(&res, &stride, blocks_per_row * sizeof(MATRIX_ELEM), a->nrow);
+ cudaMallocPitch(&res_idx, &stride, blocks_per_row * sizeof(MATRIX_ELEM), a->nrow);
+ cudak_(block_reduce_rowmax_idx)<<<grid, block,
+ 2 * block.x * sizeof(MATRIX_ELEM)>>> \
+ (MATRIX_ELEM_PTR(a), a_idx, res, res_idx,
+ a->stride / sizeof(MATRIX_ELEM), stride / sizeof(MATRIX_ELEM),
+ ncol);
+ cudaFree(a_idx);
+ ncol = blocks_per_row;
+ assert((unsigned long)ncol <= block.x);
+ grid.x = 1;
+ cudak_(block_reduce_rowmax_idx)<<<grid, block,
+ 2 * block.x * sizeof(MATRIX_ELEM)>>> \
+ (res, res_idx, MATRIX_ELEM_PTR(b), MATRIX_ELEM_PTR(b_idx),
+ stride / sizeof(MATRIX_ELEM), b->stride / sizeof(MATRIX_ELEM),
+ ncol);
+ cudaFree(res);
+ cudaFree(res_idx);
+ }
+
/* in-place calc */
void cudak_(cuda_add_row)(const Matrix *a, Matrix *b, double beta) {
dim3 threadsPerBlock(CUDA_THREADS_N, CUDA_THREADS_N);
diff --git a/matrix/generic/cumatrix.c b/matrix/generic/cumatrix.c
index 373fc42..8e7d34f 100644
--- a/matrix/generic/cumatrix.c
+++ b/matrix/generic/cumatrix.c
@@ -11,15 +11,11 @@
#define MATRIX_BASE_TNAME nerv_matrix_cuda_tname
#define NERV_GENERIC_MATRIX
#define NERV_GENERIC_CUKERNEL
+#define PROFILE_HASHMAP_SIZE 123457
#include "../../common.h"
#include "../cukernel.h"
-#include "cuda.h"
-#include "cuda_runtime.h"
-#include "driver_types.h"
-#include "cublas_v2.h"
#include "../cuda_helper.h"
-
-static cublasHandle_t cublas_handle;
+#include <string.h>
Matrix *nerv_matrix_(new_)(lua_State *L, long nrow, long ncol);
void nerv_matrix_(data_free)(lua_State *L, Matrix *self);
@@ -27,6 +23,7 @@ void nerv_matrix_(data_free)(lua_State *L, Matrix *self);
static void nerv_matrix_(add_)(lua_State *L, const Matrix *a, const Matrix *b,
const Matrix *c,
MATRIX_ELEM alpha, MATRIX_ELEM beta) {
+ PROFILE_START
CUBLAS_SAFE_CALL(
NERV_CUBLAS_(geam)(cublas_handle, CUBLAS_OP_N, CUBLAS_OP_N,
a->ncol, a->nrow,
@@ -35,6 +32,7 @@ static void nerv_matrix_(add_)(lua_State *L, const Matrix *a, const Matrix *b,
&beta,
MATRIX_ELEM_PTR(b), b->stride / sizeof(MATRIX_ELEM),
MATRIX_ELEM_PTR(c), c->stride / sizeof(MATRIX_ELEM)));
+ PROFILE_STOP
}
static int nerv_matrix_(add)(lua_State *L) {
@@ -75,6 +73,7 @@ static int nerv_matrix_(mul)(lua_State *L) {
nerv_error(L, "Wrong dimension of multipliers");
/* MATRIX_ELEM alpha = 1.0f, beta = 0.0f; */
/* Because matrix in Nerv is row-major, here b comes first */
+ PROFILE_START
CUBLAS_SAFE_CALL(
NERV_CUBLAS_(gemm)(cublas_handle, tb, ta,
bn, am, bm,
@@ -83,6 +82,7 @@ static int nerv_matrix_(mul)(lua_State *L) {
MATRIX_ELEM_PTR(a), a->stride / sizeof(MATRIX_ELEM),
&beta,
MATRIX_ELEM_PTR(c), c->stride / sizeof(MATRIX_ELEM)));
+ PROFILE_STOP
return 0;
}
@@ -97,7 +97,9 @@ static int nerv_matrix_(sigmoid)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
Matrix *b = luaT_checkudata(L, 2, nerv_matrix_(tname));
CHECK_SAME_DIMENSION(a, b);
+ PROFILE_START
cudak_(cuda_sigmoid)(b, a);
+ PROFILE_STOP
return 0;
}
@@ -107,30 +109,38 @@ static int nerv_matrix_(sigmoid_grad)(lua_State *L) {
Matrix *output = luaT_checkudata(L, 3, nerv_matrix_(tname));
CHECK_SAME_DIMENSION(nerr, err);
CHECK_SAME_DIMENSION(nerr, output);
+ PROFILE_START
cudak_(cuda_sigmoid_grad)(output, err, nerr);
+ PROFILE_STOP
return 0;
}
static int nerv_matrix_(softmax)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 2, nerv_matrix_(tname));
Matrix *b = luaT_checkudata(L, 1, nerv_matrix_(tname));
- Matrix *max;
+ Matrix *max, *max_idx;
Matrix *dno;
CHECK_SAME_DIMENSION(a, b);
max = nerv_matrix_(new_)(L, a->nrow, 1);
+ max_idx = nerv_matrix_(new_)(L, a->nrow, 1);
dno = nerv_matrix_(new_)(L, a->nrow, 1);
- cudak_(cuda_rowmax)(a, max);
+ PROFILE_START
+ cudak_(cuda_rowmax_idx)(a, max, max_idx);
cudak_(cuda_softmax_denominator)(a, max, dno);
cudak_(cuda_softmax_final)(a, max, dno, b);
+ PROFILE_STOP
nerv_matrix_(data_free)(L, max);
nerv_matrix_(data_free)(L, dno);
- return 0;
+ luaT_pushudata(L, max_idx, nerv_matrix_(tname));
+ return 1;
}
static int nerv_matrix_(rowsum)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
Matrix *b = nerv_matrix_(new_)(L, a->nrow, 1);
+ PROFILE_START
cudak_(cuda_rowsum)(a, b);
+ PROFILE_STOP
luaT_pushudata(L, b, nerv_matrix_(tname));
return 1;
}
@@ -138,7 +148,21 @@ static int nerv_matrix_(rowsum)(lua_State *L) {
static int nerv_matrix_(colsum)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
Matrix *b = nerv_matrix_(new_)(L, 1, a->ncol);
+ PROFILE_START
cudak_(cuda_colsum)(a, b);
+ PROFILE_STOP
+ luaT_pushudata(L, b, nerv_matrix_(tname));
+ return 1;
+}
+
+static int nerv_matrix_(colsame)(lua_State *L) {
+ Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
+ Matrix *ref = luaT_checkudata(L, 2, nerv_matrix_(tname));
+ Matrix *b = nerv_matrix_(new_)(L, 1, a->ncol);
+ CHECK_SAME_DIMENSION(a, ref);
+ PROFILE_START
+ cudak_(cuda_colsame)(a, ref, b);
+ PROFILE_STOP
luaT_pushudata(L, b, nerv_matrix_(tname));
return 1;
}
@@ -146,11 +170,24 @@ static int nerv_matrix_(colsum)(lua_State *L) {
static int nerv_matrix_(rowmax)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
Matrix *b = nerv_matrix_(new_)(L, a->nrow, 1);
+ PROFILE_START
cudak_(cuda_rowmax)(a, b);
+ PROFILE_STOP
luaT_pushudata(L, b, nerv_matrix_(tname));
return 1;
}
+static int nerv_matrix_(rowmax_idx)(lua_State *L) {
+ Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
+ Matrix *b = nerv_matrix_(new_)(L, a->nrow, 1);
+ Matrix *idx = nerv_matrix_(new_)(L, a->nrow, 1);
+ PROFILE_START
+ cudak_(cuda_rowmax_idx)(a, b, idx);
+ PROFILE_STOP
+ luaT_pushudata(L, b, nerv_matrix_(tname));
+ luaT_pushudata(L, idx, nerv_matrix_(tname));
+ return 2;
+}
static int nerv_matrix_(add_row)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 2, nerv_matrix_(tname));
@@ -160,14 +197,18 @@ static int nerv_matrix_(add_row)(lua_State *L) {
nerv_error(L, "the number of columns is not the same");
if (a->nrow != 1)
nerv_error(L, "a row vector is expected");
+ PROFILE_START
cudak_(cuda_add_row)(a, b, beta);
+ PROFILE_STOP
return 0;
}
static int nerv_matrix_(fill)(lua_State *L) {
Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
double val = luaL_checknumber(L, 2);
+ PROFILE_START
cudak_(cuda_fill)(self, val);
+ PROFILE_STOP
return 0;
}
@@ -183,11 +224,13 @@ static int nerv_matrix_(copy_fromd)(lua_State *L) {
nerv_error(L, "invalid copy interval");
if (a->ncol != b->ncol)
nerv_error(L, "matrices should be of the same dimension");
+ PROFILE_START
CUDA_SAFE_SYNC_CALL(
cudaMemcpy2D(MATRIX_ROW_PTR(a, a_begin), a->stride,
MATRIX_ROW_PTR(b, b_begin), b->stride,
sizeof(MATRIX_ELEM) * b->ncol, b_end - b_begin,
cudaMemcpyDeviceToDevice));
+ PROFILE_STOP
return 0;
}
@@ -204,11 +247,13 @@ static int nerv_matrix_(copy_fromh)(lua_State *L) {
nerv_error(L, "invalid copy interval");
if (a->ncol != b->ncol)
nerv_error(L, "matrices should be of the same dimension");
+ PROFILE_START
CUDA_SAFE_SYNC_CALL(
cudaMemcpy2D(MATRIX_ROW_PTR(a, a_begin), a->stride,
MATRIX_ROW_PTR(b, b_begin), b->stride,
sizeof(MATRIX_ELEM) * b->ncol, b_end - b_begin,
cudaMemcpyHostToDevice));
+ PROFILE_STOP
return 0;
}
@@ -224,11 +269,13 @@ static int nerv_matrix_(copy_toh)(lua_State *L) {
nerv_error(L, "invalid copy interval");
if (b->ncol != a->ncol)
nerv_error(L, "matrices should be of the same dimension");
+ PROFILE_START
CUDA_SAFE_SYNC_CALL(
cudaMemcpy2D(MATRIX_ROW_PTR(b, b_begin), b->stride,
MATRIX_ROW_PTR(a, a_begin), a->stride,
sizeof(MATRIX_ELEM) * a->ncol, a_end - a_begin,
cudaMemcpyDeviceToHost));
+ PROFILE_STOP
return 0;
}
@@ -237,6 +284,7 @@ static int nerv_matrix_(trans)(lua_State *L) {
Matrix *b = nerv_matrix_(new_)(L, a->ncol, a->nrow);
MATRIX_ELEM alpha = 1, beta = 0;
/* FIXME: possible memory leak when lua error is raised */
+ PROFILE_START
CUBLAS_SAFE_CALL(
NERV_CUBLAS_(geam)(cublas_handle, CUBLAS_OP_T, CUBLAS_OP_T,
a->nrow, a->ncol,
@@ -245,6 +293,7 @@ static int nerv_matrix_(trans)(lua_State *L) {
&beta,
MATRIX_ELEM_PTR(a), a->stride / sizeof(MATRIX_ELEM),
MATRIX_ELEM_PTR(b), b->stride / sizeof(MATRIX_ELEM)));
+ PROFILE_STOP
luaT_pushudata(L, b, nerv_matrix_(tname));
return 1;
}
@@ -255,7 +304,9 @@ static int nerv_matrix_(mul_elem)(lua_State *L) {
Matrix *c = luaT_checkudata(L, 1, nerv_matrix_(tname));
CHECK_SAME_DIMENSION(a, b);
CHECK_SAME_DIMENSION(a, c);
+ PROFILE_START
cudak_(cuda_mul_elem)(a, b, c);
+ PROFILE_STOP
return 0;
}
@@ -263,7 +314,9 @@ static int nerv_matrix_(log_elem)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 2, nerv_matrix_(tname));
Matrix *b = luaT_checkudata(L, 1, nerv_matrix_(tname));
CHECK_SAME_DIMENSION(a, b);
+ PROFILE_START
cudak_(cuda_log_elem)(a, b);
+ PROFILE_STOP
return 0;
}
@@ -274,8 +327,10 @@ static int nerv_matrix_(decompress)(lua_State *L) {
if (a->ncol != 1)
nerv_error(L, "the compressed matrix must be a column vector");
b = nerv_matrix_(new_)(L, a->nrow, orig_col);
+ PROFILE_START
cudak_(cuda_fill)(b, 0.0);
cudak_(cuda_decompress)(a, b);
+ PROFILE_STOP
luaT_pushudata(L, b, nerv_matrix_(tname));
return 1;
}
@@ -285,21 +340,25 @@ static int nerv_matrix_(copy_rows_fromh_by_idx)(lua_State *L) {
Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
Matrix *b = luaT_checkudata(L, 2, MATRIX_CUMATRIX_HOST_TNAME);
Matrix *idx = luaT_checkudata(L, 3, nerv_matrix_host_int_tname);
+ long nrow = a->nrow;
+ int b_begin = lua_gettop(L) > 3 ? luaL_checkinteger(L, 4) : 0;
+ if (!(0 <= b_begin && b_begin + nrow <= idx->ncol))
+ nerv_error(L, "invalid copy interval");
long *idx_ptr = idx->data.i;
int i;
- long nrow = a->nrow;
if (idx->nrow != 1)
nerv_error(L, "index should be a vector");
- if (idx->ncol != nrow)
- nerv_error(L, "index dimension mismatch");
if (a->ncol != b->ncol)
nerv_error(L, "source/destination dimension mismatch");
cudaStream_t *streams = (cudaStream_t*)malloc(sizeof(cudaStream_t) * nrow);
for (i = 0; i < nrow; i++)
{
+ int src_row = idx_ptr[b_begin + i];
+ if (!(0 <= src_row && src_row < b->nrow))
+ nerv_error(L, "invalid index");
CUDA_SAFE_CALL(cudaStreamCreate(streams + i));
CUDA_SAFE_CALL(cudaMemcpyAsync(MATRIX_ROW_PTR(a, i),
- MATRIX_ROW_PTR(b, idx_ptr[i]),
+ MATRIX_ROW_PTR(b, src_row),
b->stride,
cudaMemcpyHostToDevice, streams[i]));
}
@@ -308,6 +367,7 @@ static int nerv_matrix_(copy_rows_fromh_by_idx)(lua_State *L) {
CUDA_SAFE_CALL(cudaStreamSynchronize(streams[i]));
CUDA_SAFE_CALL(cudaStreamDestroy(streams[i]));
}
+ free(streams);
return 0;
}
@@ -319,7 +379,9 @@ static int nerv_matrix_(expand_frm)(lua_State *L) {
nerv_error(L, "mismatching number of frames");
if (a->ncol != b->ncol * (context * 2 + 1))
nerv_error(L, "the width should be 2 * context + 1");
+ PROFILE_START
cudak_(cuda_expand_frm)(b, a, context);
+ PROFILE_STOP
return 0;
}
@@ -330,7 +392,9 @@ static int nerv_matrix_(rearrange_frm)(lua_State *L) {
CHECK_SAME_DIMENSION(a, b);
if (b->ncol % step)
nerv_error(L, "the dimension of columns is not divisible by step");
+ PROFILE_START
cudak_(cuda_rearrange_frm)(b, a, step);
+ PROFILE_STOP
return 0;
}
@@ -341,15 +405,19 @@ static int nerv_matrix_(scale_row)(lua_State *L) {
nerv_error(L, "the number of columns is not the same");
if (b->nrow != 1)
nerv_error(L, "a row vector is expected");
+ PROFILE_START
cudak_(cuda_scale_row)(b, a);
+ PROFILE_STOP
return 0;
}
static const luaL_Reg nerv_matrix_(extra_methods)[] = {
{"create", nerv_matrix_(create)},
{"colsum", nerv_matrix_(colsum)},
+ {"colsame", nerv_matrix_(colsame)},
{"rowsum", nerv_matrix_(rowsum)},
{"rowmax", nerv_matrix_(rowmax)},
+ {"rowmax_idx", nerv_matrix_(rowmax_idx)},
{"trans", nerv_matrix_(trans)},
{"decompress", nerv_matrix_(decompress)},
/* in-place calc */
@@ -375,6 +443,7 @@ static const luaL_Reg nerv_matrix_(extra_methods)[] = {
static void cuda_matrix_(init)(lua_State *L) {
luaN_append_methods(L, nerv_matrix_(extra_methods));
cublasCreate(&cublas_handle);
+ profile = hashmap_create(PROFILE_HASHMAP_SIZE, bkdr_hash, strcmp);
}
static void cuda_matrix_(free)(lua_State *L, MATRIX_ELEM *ptr) {
@@ -383,7 +452,9 @@ static void cuda_matrix_(free)(lua_State *L, MATRIX_ELEM *ptr) {
static void cuda_matrix_(alloc)(lua_State *L, MATRIX_ELEM **dptr,
size_t *stride, long width, long height) {
+ PROFILE_START
CUDA_SAFE_SYNC_CALL(cudaMallocPitch((void **)dptr, stride, width, height));
+ PROFILE_STOP
}
static MATRIX_ELEM cuda_matrix_(read)(lua_State *L, MATRIX_ELEM *data,
diff --git a/matrix/generic/mmatrix.c b/matrix/generic/mmatrix.c
index 4b722f3..75d1eb1 100644
--- a/matrix/generic/mmatrix.c
+++ b/matrix/generic/mmatrix.c
@@ -43,6 +43,9 @@ int nerv_matrix_(set_elem)(lua_State *L) {
static const luaL_Reg nerv_matrix_(extra_methods)[];
static void host_matrix_(init)(lua_State *L) {
luaN_append_methods(L, nerv_matrix_(extra_methods));
+#ifdef MMATRIX_INIT
+ MMATRIX_INIT(L);
+#endif
}
#include "matrix.c"
@@ -114,6 +117,7 @@ static int nerv_matrix_(copy_from)(lua_State *L) {
sizeof(MATRIX_ELEM) * b->ncol * (b_end - b_begin));
return 0;
}
+
static const luaL_Reg nerv_matrix_(extra_methods)[] = {
{"load", nerv_matrix_(load)},
{"save", nerv_matrix_(save)},
diff --git a/matrix/init.c b/matrix/init.c
index b54cd12..7b7f478 100644
--- a/matrix/init.c
+++ b/matrix/init.c
@@ -9,12 +9,17 @@ void nerv_matrix_host_float_init(lua_State *L);
void nerv_matrix_cuda_float_init(lua_State *L);
void nerv_matrix_host_double_init(lua_State *L);
void nerv_matrix_cuda_double_init(lua_State *L);
+void nerv_matrix_host_int_init(lua_State *L);
+int print_profile(lua_State *L);
+int clear_profile(lua_State *L);
static const luaL_Reg matrix_methods[] = {
{"__tostring__", nerv_error_method_not_implemented },
{"__add__", nerv_error_method_not_implemented },
{"__sub__", nerv_error_method_not_implemented },
{"__mul__", nerv_error_method_not_implemented },
+ {"print_profile", print_profile},
+ {"clear_profile", clear_profile},
{NULL, NULL}
};
diff --git a/matrix/mmatrix.c b/matrix/mmatrix.c
index ab15197..81f8dfc 100644
--- a/matrix/mmatrix.c
+++ b/matrix/mmatrix.c
@@ -29,5 +29,34 @@ const char *nerv_matrix_(tname) = "nerv.MMatrixDouble";
#define host_matrix_(NAME) host_matrix_int_##NAME
#define nerv_matrix_(NAME) nerv_matrix_host_int_##NAME
const char *nerv_matrix_(tname) = "nerv.MMatrixInt";
+#define MMATRIX_INIT(L) host_matrix_(init_extra)(L)
+
+static const luaL_Reg nerv_matrix_(extra_methods_int)[];
+static void host_matrix_(init_extra)(lua_State *L) {
+ luaN_append_methods(L, nerv_matrix_(extra_methods_int));
+}
+
#include "generic/mmatrix.c"
+static int nerv_matrix_(perm_gen)(lua_State *L) {
+ int i, ncol = luaL_checkinteger(L, 1);
+ Matrix *self = nerv_matrix_(new_)(L, 1, ncol);
+ long *prow = self->data.i;
+ for (i = 0; i < ncol; i++)
+ prow[i] = i;
+ for (i = ncol - 1; i >= 0; i--)
+ {
+ size_t j = rand() % (i + 1);
+ long tmp = prow[i];
+ prow[i] = prow[j];
+ prow[j] = tmp;
+ }
+ luaT_pushudata(L, self, nerv_matrix_(tname));
+ return 1;
+}
+
+static const luaL_Reg nerv_matrix_(extra_methods_int)[] = {
+ {"perm_gen", nerv_matrix_(perm_gen)},
+ {NULL, NULL}
+};
+
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