From: Nelson Escobar <nelson@myri.com>
Date: Tue, 3 Sep 2013 22:39:08 +0000 (-0700)
Subject: Use the Async versions of SCCudaMemcpy* to improve gpu performance.
X-Git-Tag: suricata-2.0beta2~399
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef4d11aeb58067a29fd491032e9f301d758ff58b;p=thirdparty%2Fsuricata.git

Use the Async versions of SCCudaMemcpy* to improve gpu performance.
---

diff --git a/src/util-mpm-ac.c b/src/util-mpm-ac.c
index 5208dd1f66..bb7e7fb573 100644
--- a/src/util-mpm-ac.c
+++ b/src/util-mpm-ac.c
@@ -1831,12 +1831,12 @@ static void *SCACCudaDispatcher(void *arg)
                   cb_data->op_buffer_read,
                   cb_data->op_buffer_write);
 #endif
-        r = SCCudaMemcpyHtoD(cuda_packets_buffer_d, (cb_data->d_buffer + cb_culled_info.d_buffer_start_offset), cb_culled_info.d_buffer_len);
+        r = SCCudaMemcpyHtoDAsync(cuda_packets_buffer_d, (cb_data->d_buffer + cb_culled_info.d_buffer_start_offset), cb_culled_info.d_buffer_len, 0);
         if (r < 0) {
             SCLogError(SC_ERR_AC_CUDA_ERROR, "SCCudaMemcpyHtoD failure.");
             exit(EXIT_FAILURE);
         }
-        r = SCCudaMemcpyHtoD(cuda_offset_buffer_d, (cb_data->o_buffer + cb_culled_info.op_buffer_start_offset), sizeof(uint32_t) * cb_culled_info.no_of_items);
+        r = SCCudaMemcpyHtoDAsync(cuda_offset_buffer_d, (cb_data->o_buffer + cb_culled_info.op_buffer_start_offset), sizeof(uint32_t) * cb_culled_info.no_of_items, 0);
         if (r < 0) {
             SCLogError(SC_ERR_AC_CUDA_ERROR, "SCCudaMemcpyHtoD failure.");
             exit(EXIT_FAILURE);
@@ -1856,7 +1856,7 @@ static void *SCACCudaDispatcher(void *arg)
             SCLogError(SC_ERR_AC_CUDA_ERROR, "SCCudaLaunchKernel failure.");
             exit(EXIT_FAILURE);
         }
-        r = SCCudaMemcpyDtoH(cuda_results_buffer_h, cuda_results_buffer_d, sizeof(uint32_t) * (cb_culled_info.d_buffer_len * 2));
+        r = SCCudaMemcpyDtoHAsync(cuda_results_buffer_h, cuda_results_buffer_d, sizeof(uint32_t) * (cb_culled_info.d_buffer_len * 2), 0);
         if (r < 0) {
             SCLogError(SC_ERR_AC_CUDA_ERROR, "SCCudaMemcpyDtoH failure.");
             exit(EXIT_FAILURE);