Merge pull request #313 from psychocrypt/topic-deviceSynchronizeMethod

option to controll gpu synchronization

1 files changed, 9 insertions, 1 deletions

diff --git a/xmrstak/backend/nvidia/config.tpl b/xmrstak/backend/nvidia/config.tpl
index 99dc023..5479172 100644
--- a/xmrstak/backend/nvidia/config.tpl
+++ b/xmrstak/backend/nvidia/config.tpl
@@ -9,6 +9,12 @@ R"===(
  * bsleep        - Insert a delay of X microseconds between kernel launches.
  *                 Increase if you want to reduce GPU lag. Recommended setting on GUI systems - 100
  * affine_to_cpu - This will affine the thread to a CPU. This can make a GPU miner play along nicer with a CPU miner.
+ * sync_mode     - method used to synchronize the device
+ *                 documentation: http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__DEVICE.html#group__CUDART__DEVICE_1g69e73c7dda3fc05306ae7c811a690fac
+ *                 0 = cudaDeviceScheduleAuto
+ *                 1 = cudaDeviceScheduleSpin - create a high load on one cpu thread per gpu
+ *                 2 = cudaDeviceScheduleYield
+ *                 3 = cudaDeviceScheduleBlockingSync (default)
  *
  * On the first run the miner will look at your system and suggest a basic configuration that will work,
  * you can try to tweak it from there to get the best performance.
@@ -16,7 +22,9 @@ R"===(
  * A filled out configuration should look like this:
  * "gpu_threads_conf" :
  * [
- *     { "index" : 0, "threads" : 17, "blocks" : 60, "bfactor" : 0, "bsleep" :  0, "affine_to_cpu" : false},
+ *     { "index" : 0, "threads" : 17, "blocks" : 60, "bfactor" : 0, "bsleep" :  0, 
+ *       "affine_to_cpu" : false, "sync_mode" : 3,
+ *     },
  * ],
  */