GOSTSec/ccminer
1
0
Fork 0
mirror of https://github.com/GOSTSec/ccminer synced 2025-01-22 04:24:29 +00:00
Code Issues Releases Wiki Activity

nvml: workaround for beta drivers 378.49 clocks

Browse Source 
even nvidia-smi doesnt report the right pascal clocks
This commit is contained in:
Tanguy Pruvot 2017-01-29 22:21:49 +01:00
parent b47d9acaf5
commit aaef92cab2
1 changed files with 29 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
nvml.cpp
View File

@ -91,7 +91,7 @@ nvml_handle * nvml_create()
int i=0;
nvml_handle *nvmlh = NULL;
#if defined(WIN32)
#ifdef WIN32
/* Windows (do not use slashes, else ExpandEnvironmentStrings will mix them) */
#define libnvidia_ml "%PROGRAMFILES%\\NVIDIA Corporation\\NVSMI\\nvml.dll"
#else
@ -639,7 +639,7 @@ int nvml_get_fanpcnt(nvml_handle *nvmlh, int cudaindex, unsigned int *fanpcnt)
}
int nvml_get_current_clocks(int cudaindex, uint32_t *graphics_clock, uint32_t *mem_clock)
int nvml_get_current_clocks(int cudaindex, unsigned int *graphics_clock, unsigned int *mem_clock)
{
nvmlReturn_t rc;
int gpuindex = hnvml->cuda_nvml_device_id[cudaindex];
@ -1496,6 +1496,22 @@ int nvapi_pstateinfo(unsigned int devNum)
return 0;
}
// workaround for buggy driver 378.49
unsigned int nvapi_get_gpu_clock(unsigned int devNum)
{
NvAPI_Status ret = NVAPI_OK;
unsigned int freq = 0;
NV_GPU_CLOCK_FREQUENCIES *freqs;
NV_INIT_STRUCT_ALLOC(NV_GPU_CLOCK_FREQUENCIES, freqs);
freqs->ClockType = NV_GPU_CLOCK_FREQUENCIES_CURRENT_FREQ;
ret = NvAPI_GPU_GetAllClockFrequencies(phys[devNum], freqs);
if (ret == NVAPI_OK) {
freq = freqs->domain[NVAPI_GPU_PUBLIC_CLOCK_GRAPHICS].frequency / 1000;
}
free(freqs);
return freq; // in MHz
}
uint8_t nvapi_get_plimit(unsigned int devNum)
{
NvAPI_Status ret = NVAPI_OK;
@ -2096,8 +2112,18 @@ void *monitor_thread(void *userdata)
pthread_cond_wait(&cgpu->monitor.sampling_signal, &cgpu->monitor.lock);
do {
uint32_t tmp_clock, tmp_memclock;
unsigned int tmp_clock=0, tmp_memclock=0;
nvml_get_current_clocks(dev_id, &tmp_clock, &tmp_memclock);
if (tmp_clock < 200) {
#ifdef WIN32
// workaround for buggy driver 378.49 (real clock)
tmp_clock = nvapi_get_gpu_clock(nvapi_dev_map[dev_id]);
#else
// some older cards only report a base clock with cuda props.
if (cuda_gpu_info(cgpu) == 0)
tmp_clock = cgpu->gpu_clock/1000;
#endif
}
clock += tmp_clock;
mem_clock += tmp_memclock;
tempC += gpu_temp(cgpu);