LBRYCommunity/cpuminer
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Make scantime retargeting less granular

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Art Forz 2011-10-08 04:35:56 +02:00
parent 0941296571
commit 99084f8be4
1 changed files with 4 additions and 4 deletions
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8
cpu-miner.c
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@ -539,6 +539,7 @@ static void *miner_thread(void *userdata)
struct work work __attribute__((aligned(128))); struct work work __attribute__((aligned(128)));
unsigned long hashes_done; unsigned long hashes_done;
struct timeval tv_start, tv_end, diff; struct timeval tv_start, tv_end, diff;
int diffms;
uint64_t max64; uint64_t max64;
bool rc; bool rc;
@ -571,11 +572,10 @@ static void *miner_thread(void *userdata)
hashmeter(thr_id, &diff, hashes_done); hashmeter(thr_id, &diff, hashes_done);
/* adjust max_nonce to meet target scan time */ /* adjust max_nonce to meet target scan time */
if (diff.tv_usec > 500000) diffms = diff.tv_sec * 1000 + diff.tv_usec / 1000;
diff.tv_sec++; if (diffms > 0) {
if (diff.tv_sec > 0) {
max64 = max64 =
((uint64_t)hashes_done * opt_scantime) / diff.tv_sec; ((uint64_t)hashes_done * opt_scantime * 1000) / diffms;
if (max64 > 0xfffffffaULL) if (max64 > 0xfffffffaULL)
max64 = 0xfffffffaULL; max64 = 0xfffffffaULL;
max_nonce = max64; max_nonce = max64;