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Avoid getting more work if by the time the getwork thread is spawned we find ourselves with enough work.

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This commit is contained in:
Con Kolivas 2012-08-12 10:55:18 +10:00
parent 07fca3e289
commit c91a95459b
1 changed files with 22 additions and 3 deletions
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25
cgminer.c
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@ -2272,20 +2272,39 @@ static int global_queued(void)
return ret; return ret;
} }
static bool enough_work(void)
{
int cq, cs, ts, tq, maxq = opt_queue + mining_threads;
cq = current_queued();
cs = current_staged();
ts = total_staged();
tq = global_queued();
if (((cs || cq >= opt_queue) && ts >= maxq) ||
((cs || cq) && tq >= maxq))
return true;
return false;
}
/* ce and pool may appear uninitialised at push_curl_entry, but they're always /* ce and pool may appear uninitialised at push_curl_entry, but they're always
* set when we don't have opt_benchmark enabled */ * set when we don't have opt_benchmark enabled */
static void *get_work_thread(void *userdata) static void *get_work_thread(void *userdata)
{ {
struct workio_cmd *wc = (struct workio_cmd *)userdata; struct workio_cmd *wc = (struct workio_cmd *)userdata;
struct curl_ent * uninitialised_var(ce);
struct pool * uninitialised_var(pool); struct pool * uninitialised_var(pool);
struct work *ret_work = make_work(); struct curl_ent *ce = NULL;
struct work *ret_work;
int failures = 0; int failures = 0;
pthread_detach(pthread_self()); pthread_detach(pthread_self());
applog(LOG_DEBUG, "Creating extra get work thread"); applog(LOG_DEBUG, "Creating extra get work thread");
if (enough_work())
goto out;
ret_work = make_work();
if (wc->thr) if (wc->thr)
ret_work->thr = wc->thr; ret_work->thr = wc->thr;
else else
@ -2330,7 +2349,7 @@ static void *get_work_thread(void *userdata)
out: out:
workio_cmd_free(wc); workio_cmd_free(wc);
if (!opt_benchmark) if (ce)
push_curl_entry(ce, pool); push_curl_entry(ce, pool);
return NULL; return NULL;
} }