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Polling every 10ms there's not much point checking the pthread_cond_timedwait as it just adds overhead. Simply check the value of work_restart in the bfl main polling loop.

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This commit is contained in:
ckolivas 2012-07-02 11:28:26 +10:00
parent fd7b21ed56
commit b1cdacdead
1 changed files with 7 additions and 5 deletions
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12
driver-bitforce.c
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@ -137,10 +137,10 @@ static uint64_t bitforce_scanhash(struct thr_info *thr, struct work *work, uint6
struct cgpu_info *bitforce = thr->cgpu; struct cgpu_info *bitforce = thr->cgpu;
int fdDev = bitforce->device_fd; int fdDev = bitforce->device_fd;
int i, thr_id = thr->id;
char pdevbuf[0x100]; char pdevbuf[0x100];
unsigned char ob[61] = ">>>>>>>>12345678901234567890123456789012123456789012>>>>>>>>"; unsigned char ob[61] = ">>>>>>>>12345678901234567890123456789012123456789012>>>>>>>>";
struct timeval tdiff; struct timeval tdiff;
int i;
char *pnoncebuf; char *pnoncebuf;
char *s; char *s;
uint32_t nonce; uint32_t nonce;
@ -215,8 +215,13 @@ static uint64_t bitforce_scanhash(struct thr_info *thr, struct work *work, uint6
/* Now start looking for results. Stupid polling every 10ms... */ /* Now start looking for results. Stupid polling every 10ms... */
tdiff.tv_sec = 0; tdiff.tv_sec = 0;
tdiff.tv_usec = 10000; tdiff.tv_usec = 10000;
work_restart[thr_id].restart = 0;
while (42) { while (42) {
int rc = restart_wait(&tdiff); if (unlikely(work_restart[thr_id].restart))
return 0;
usleep(10000);
i += 10;
BFwrite(fdDev, "ZFX", 3); BFwrite(fdDev, "ZFX", 3);
BFgets(pdevbuf, sizeof(pdevbuf), fdDev); BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
@ -226,9 +231,6 @@ static uint64_t bitforce_scanhash(struct thr_info *thr, struct work *work, uint6
} }
if (pdevbuf[0] != 'B') if (pdevbuf[0] != 'B')
break; break;
if (!rc)
return 0;
i += 10;
} }
applog(LOG_DEBUG, "BitForce waited %dms until %s\n", i, pdevbuf); applog(LOG_DEBUG, "BitForce waited %dms until %s\n", i, pdevbuf);
work->blk.nonce = 0xffffffff; work->blk.nonce = 0xffffffff;