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When popping work, grab cloned work first if possible since original work can be reused to make further clones.

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This commit is contained in:
Con Kolivas 2012-08-11 14:39:35 +10:00
parent 8085ae6854
commit 4f9394be81
1 changed files with 16 additions and 4 deletions
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20
cgminer.c
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@ -3834,17 +3834,29 @@ out:
static struct work *hash_pop(const struct timespec *abstime)
{
struct work *work = NULL;
struct work *work = NULL, *worka, *workb;
int rc = 0;
mutex_lock(stgd_lock);
while (!getq->frozen && !HASH_COUNT(staged_work) && !rc)
rc = pthread_cond_timedwait(&getq->cond, stgd_lock, abstime);
if (HASH_COUNT(staged_work)) {
work = staged_work;
HASH_DEL(staged_work, work);
if (unlikely(!HASH_COUNT(staged_work)))
goto out_unlock;
/* Look for cloned work first since original work can be used to
* generate further clones */
HASH_ITER(hh, staged_work, worka, workb) {
if (worka->clone) {
HASH_DEL(staged_work, worka);
work = worka;
goto out_unlock;
}
}
work = staged_work;
HASH_DEL(staged_work, work);
out_unlock:
mutex_unlock(stgd_lock);
queue_request(NULL, false);