add cflag __NERV_FUTURE_CUDA_7

3 files changed, 20 insertions, 10 deletions

diff --git a/nerv/lib/matrix/cukernel.cu b/nerv/lib/matrix/cukernel.cu
index 1e856b9..210e6bf 100644
--- a/nerv/lib/matrix/cukernel.cu
+++ b/nerv/lib/matrix/cukernel.cu
@@ -2,34 +2,38 @@
 
 #include "cumatrix.h"
 
-__device__ double atomicAdd_nvidia(double* address, double val) { 
-    //nvidia provided this implementation on the net
-    //atmoicAdd is not included in CUDA for double
+#ifdef __NERV_FUTURE_CUDA_7
+__device__ double atomicAdd_nvidia(double* address, double val) {
+    /* nvidia provided this implementation
+     atmoicAdd is not included in CUDA for double */
     unsigned long long int* address_as_ull =
                                           (unsigned long long int*)address;
     unsigned long long int old = *address_as_ull, assumed;
     do {
         assumed = old;
-        old = atomicCAS(address_as_ull, assumed, 
-                        __double_as_longlong(val + 
+        old = atomicCAS(address_as_ull, assumed,
+                        __double_as_longlong(val +
                         __longlong_as_double(assumed)));
     } while (assumed != old);
     return __longlong_as_double(old);
 }
 
-__device__ float atomicAdd_nvidia(float* address, float val) { 
-    //nvidia provided this implementation on the net
-    //I tried the included atomocAdd, but the select_liner layer result seems unreproduceable, but sadly, even if I used this implementation, the select_linear layer result is still unreproduceable
+__device__ float atomicAdd_nvidia(float* address, float val) {
+    /* nvidia provided this implementation
+     I tried the included atomocAdd, but the select_liner layer result seems
+     unreproduceable, but sadly, even if I used this implementation, the
+     select_linear layer result is still unreproduceable */
     int* address_as_ull = (int*)address;
     int old = *address_as_ull, assumed;
     do {
         assumed = old;
-        old = atomicCAS(address_as_ull, assumed, 
-                        __float_as_int(val + 
+        old = atomicCAS(address_as_ull, assumed,
+                        __float_as_int(val +
                         __int_as_float(assumed)));
     } while (assumed != old);
     return __int_as_float(old);
 }
+#endif
 
 
 #define cudak_(NAME) cudak_float_ ## NAME
diff --git a/nerv/lib/matrix/generic/cukernel.cu b/nerv/lib/matrix/generic/cukernel.cu
index e1063af..e58c488 100644
--- a/nerv/lib/matrix/generic/cukernel.cu
+++ b/nerv/lib/matrix/generic/cukernel.cu
@@ -225,6 +225,7 @@ __global__ void cudak_(clip)(MATRIX_ELEM *a,
             a[j + i * stride] = val_1;
 }
 
+#ifdef __NERV_FUTURE_CUDA_7
 __global__ void cudak_(update_select_rows)(MATRIX_ELEM *c, const MATRIX_ELEM *a, const MATRIX_ELEM *idx,
                             int nrow_a, int ncol_a, int stride_c, int stride_a, double alpha, double beta) {
     int j = blockIdx.x * blockDim.x + threadIdx.x;
@@ -235,6 +236,7 @@ __global__ void cudak_(update_select_rows)(MATRIX_ELEM *c, const MATRIX_ELEM *a,
     //c[j + i_c * stride_c] = c[j + i_c * stride_c] * (1 - beta * alpha) + a[j + i * stride_a] * alpha; 
     atomicAdd_nvidia(c + j + i_c * stride_c, c[j + i_c * stride_c] * (- beta * alpha) + a[j + i * stride_a] * alpha);
 }
+#endif
 
 __global__ void cudak_(expand_frm)(const MATRIX_ELEM *a, MATRIX_ELEM *b,
                                     int nrow, int ncol,
@@ -552,6 +554,7 @@ extern "C" {
         cudaStreamSynchronize(0);
     }
     
+#ifdef __NERV_FUTURE_CUDA_7
     void cudak_(cuda_update_select_rows)(Matrix *c, const Matrix *a, const Matrix *idx, double alpha, double beta) {
         dim3 threadsPerBlock(CUDA_THREADS_N, CUDA_THREADS_N);
         dim3 numBlocks(CEIL_DIV(a->ncol, threadsPerBlock.x),
@@ -562,6 +565,7 @@ extern "C" {
              a->stride / sizeof(MATRIX_ELEM), alpha, beta);
         cudaStreamSynchronize(0);
     }
+#endif
 
     void cudak_(cuda_expand_frm)(const Matrix *a, Matrix *b, int context) {
         dim3 threadsPerBlock(CUDA_THREADS_N, CUDA_THREADS_N);
diff --git a/nerv/lib/matrix/generic/cumatrix.c b/nerv/lib/matrix/generic/cumatrix.c
index 2dc5899..00af895 100644
--- a/nerv/lib/matrix/generic/cumatrix.c
+++ b/nerv/lib/matrix/generic/cumatrix.c
@@ -359,6 +359,7 @@ void nerv_matrix_(copy_rows_fromd_by_idx)(Matrix *a, const Matrix *b,
     NERV_SET_STATUS(status, NERV_NORMAL, 0);
 }
 
+#ifdef __NERV_FUTURE_CUDA_7
 void nerv_matrix_(update_select_rows)(Matrix *c, const Matrix *a, const Matrix *idx, double alpha, double beta, Status *status) {
     long nrow = a->nrow;
     if (idx->nrow != 1)
@@ -370,6 +371,7 @@ void nerv_matrix_(update_select_rows)(Matrix *c, const Matrix *a, const Matrix *
     PROFILE_STOP
     NERV_SET_STATUS(status, NERV_NORMAL, 0);
 }
+#endif
 
 void nerv_matrix_(expand_frm)(Matrix *a, const Matrix *b,
                             int context, Status *status) {