GOSTSec/ccminer-gostd-lite
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

nvapi: fix plimit argument on x64

Browse Source 
now use the same percents as the x86

nvml watts (like linux) could work but requires admin rights
This commit is contained in:
Tanguy Pruvot 2017-05-07 09:49:31 +02:00
parent e23b577e32
commit 762c7f8656
3 changed files with 19 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
ccminer.cpp
View File

@ -321,7 +321,7 @@ Options:\n\
--max-diff=N Only mine if net difficulty is less than specified value\n\
Can be tuned with --resume-diff=N to set a resume value\n\
--max-log-rate Interval to reduce per gpu hashrate logs (default: 3)\n"
#if defined(__linux) || defined(_WIN64) /* via nvml */
#if defined(__linux) /* via nvml */
"\
--mem-clock=3505 Set the gpu memory max clock (346.72+ driver)\n\
--gpu-clock=1150 Set the gpu engine max clock (346.72+ driver)\n\

3
compat/nvapi/nvapi_ccminer.h
View File

@ -7,7 +7,8 @@ NvAPI_Status nvapi_dll_init();
typedef struct {
NvU32 version;
NvU32 flags;
NvU8 valid;
NvU8 count;
struct
{
NvU32 pstate; // Assumption

18
nvml.cpp
View File

@ -44,6 +44,8 @@ uint32_t clock_prev[MAX_GPUS] = { 0 };
uint32_t clock_prev_mem[MAX_GPUS] = { 0 };
uint32_t limit_prev[MAX_GPUS] = { 0 };
static bool nvml_plimit_set = false;
/*
* Wrappers to emulate dlopen() on other systems like Windows
*/
@ -525,10 +527,13 @@ int nvml_set_plimit(nvml_handle *nvmlh, int dev_id)
plimit = max(plimit, pmin);
rc = nvmlh->nvmlDeviceSetPowerManagementLimit(nvmlh->devs[n], plimit);
if (rc != NVML_SUCCESS) {
#ifndef WIN32
applog(LOG_WARNING, "GPU #%d: plimit %s", dev_id, nvmlh->nvmlErrorString(rc));
#endif
return -1;
} else {
device_plimit[dev_id] = plimit / 1000;
nvml_plimit_set = true;
}
if (!opt_quiet) {
@ -1381,7 +1386,16 @@ int nvapi_pstateinfo(unsigned int devNum)
}
uint32_t plim = nvapi_get_plimit(devNum);
applog(LOG_RAW, " Power limit is set to %u%%", plim);
double min_pw = 0, max_pw = 0; // percent
NVAPI_GPU_POWER_INFO nfo = { 0 };
nfo.version = NVAPI_GPU_POWER_INFO_VER;
ret = NvAPI_DLL_ClientPowerPoliciesGetInfo(phys[devNum], &nfo);
if (ret == NVAPI_OK && nfo.valid) {
min_pw = (double)nfo.entries[0].min_power / 1000;
max_pw = (double)nfo.entries[0].max_power / 1000;
}
applog(LOG_RAW, " Power limit is set to %u%%, range [%.0f-%.0f%%]", plim, min_pw, max_pw);
#if 0
NVAPI_COOLER_SETTINGS *cooler;
@ -1812,7 +1826,7 @@ int nvapi_init_settings()
for (int n=0; n < opt_n_threads; n++) {
int dev_id = device_map[n % MAX_GPUS];
if (device_plimit[dev_id] && !hnvml) {
if (device_plimit[dev_id] && !nvml_plimit_set) {
if (nvapi_set_plimit(nvapi_dev_map[dev_id], device_plimit[dev_id]) == NVAPI_OK) {
uint32_t res = nvapi_get_plimit(nvapi_dev_map[dev_id]);
gpulog(LOG_INFO, n, "Power limit is set to %u%%", res);