Space out retrieval of extra work according to the number of mining threads.
diff --git a/cgminer.c b/cgminer.c
index 623f81f..d43bad6 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -2909,8 +2909,10 @@ static bool queue_request(struct thr_info *thr, bool needed)
gettimeofday(&now, NULL);
+ /* Space out retrieval of extra work according to the number of mining
+ * threads */
if (rq >= mining_threads + staged_clones &&
- (now.tv_sec - requested_tv_sec) < opt_scantime * 2 / 3)
+ (now.tv_sec - requested_tv_sec) < opt_scantime / (mining_threads + 1))
return true;
/* fill out work request message */