Merge pull request #132 from psychocrypt/fix-nvidiaAutoSuggestion

fix nvidia auto suggestion
This commit is contained in:
fireice-uk
2017-11-17 10:51:17 +00:00
committed by GitHub
@@ -467,9 +467,9 @@ extern "C" int cuda_get_deviceinfo(nvid_ctx* ctx)
// 200byte are meta data memory (result nonce, ...)
size_t availableMem = freeMemory - (128u * byteToMiB) - 200u;
size_t limitedMemory = std::min(availableMem, maxMemUsage);
// up to 1kibyte extra memory is used per thread for some kernel (lmem/local memory)
// up to 16kibyte extra memory is used per thread for some kernel (lmem/local memory)
// 680bytes are extra meta data memory per hash
size_t perThread = hashMemSize + 1024u + 680u;
size_t perThread = hashMemSize + 16192u + 680u;
size_t max_intensity = limitedMemory / perThread;
ctx->device_threads = max_intensity / ctx->device_blocks;
// use only odd number of threads