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Abstract out the main hashing loop to allow us to use a separate loop for devices that are fast enough to require queued work.

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This commit is contained in:
Con Kolivas 2013-02-09 21:12:03 +11:00
parent 81b84d4f7b
commit dafc2f775a
1 changed files with 34 additions and 26 deletions
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60
cgminer.c
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@ -5356,49 +5356,33 @@ static void mt_disable(struct thr_info *mythr, const int thr_id,
drv->thread_enable(mythr);
}
void *miner_thread(void *userdata)
/* The main hashing loop for devices that are slow enough to work on one work
* item at a time, without a queue, aborting work before the entire nonce
* range has been hashed if needed. */
void hash_sole_work(struct thr_info *mythr)
{
struct thr_info *mythr = userdata;
const int thr_id = mythr->id;
struct cgpu_info *cgpu = mythr->cgpu;
struct device_drv *drv = cgpu->drv;
struct timeval getwork_start, tv_start, tv_end, tv_workstart, tv_lastupdate;
struct cgminer_stats *dev_stats = &(cgpu->cgminer_stats);
struct cgminer_stats *pool_stats;
struct timeval getwork_start;
/* Try to cycle approximately 5 times before each log update */
const long cycle = opt_log_interval / 5 ? : 1;
struct timeval tv_start, tv_end, tv_workstart, tv_lastupdate;
const bool primary = (!mythr->device_thread) || mythr->primary_thread;
struct timeval diff, sdiff, wdiff = {0, 0};
uint32_t max_nonce = drv->can_limit_work(mythr);
int64_t hashes_done = 0;
int64_t hashes;
struct work *work;
const bool primary = (!mythr->device_thread) || mythr->primary_thread;
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
char threadname[20];
snprintf(threadname,20,"miner %d",thr_id);
RenameThread(threadname);
gettimeofday(&getwork_start, NULL);
if (!drv->thread_init(mythr)) {
dev_error(cgpu, REASON_THREAD_FAIL_INIT);
goto out;
}
thread_reportout(mythr);
applog(LOG_DEBUG, "Popping ping in miner thread");
tq_pop(mythr->q, NULL); /* Wait for a ping to start */
sdiff.tv_sec = sdiff.tv_usec = 0;
gettimeofday(&tv_lastupdate, NULL);
while (1) {
while (42) {
struct work *work = get_work(mythr, thr_id);
int64_t hashes;
mythr->work_restart = false;
work = get_work(mythr, thr_id);
cgpu->new_work = true;
gettimeofday(&tv_workstart, NULL);
@ -5519,7 +5503,31 @@ void *miner_thread(void *userdata)
} while (!abandon_work(work, &wdiff, cgpu->max_hashes));
free_work(work);
}
}
void *miner_thread(void *userdata)
{
struct thr_info *mythr = userdata;
const int thr_id = mythr->id;
struct cgpu_info *cgpu = mythr->cgpu;
struct device_drv *drv = cgpu->drv;
char threadname[20];
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
snprintf(threadname,20,"miner %d",thr_id);
RenameThread(threadname);
if (!drv->thread_init(mythr)) {
dev_error(cgpu, REASON_THREAD_FAIL_INIT);
goto out;
}
thread_reportout(mythr);
applog(LOG_DEBUG, "Popping ping in miner thread");
tq_pop(mythr->q, NULL); /* Wait for a ping to start */
hash_sole_work(mythr);
out:
drv->thread_shutdown(mythr);