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stats: ignore erroneous data

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This commit is contained in:
Tanguy Pruvot 2014-11-11 17:59:45 +01:00
parent 64cfe358cb
commit 51b4f32420
1 changed files with 18 additions and 2 deletions
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20
stats.cpp
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@ -17,7 +17,8 @@ struct stats_data {
double hashrate; double hashrate;
uint8_t thr_id; uint8_t thr_id;
uint8_t gpu_id; uint8_t gpu_id;
uint16_t align; /* to keep size a multiple of 4 */ uint8_t ignored;
uint8_t align; /* to keep size a multiple of 4 */
}; };
static std::map<uint64_t, stats_data> tlastscans; static std::map<uint64_t, stats_data> tlastscans;
@ -25,6 +26,9 @@ static uint64_t uid = 0;
#define STATS_PURGE_TIMEOUT 5*60 #define STATS_PURGE_TIMEOUT 5*60
extern uint64_t global_hashrate;
extern int opt_n_threads;
/** /**
* Store speed per thread (todo: compute here) * Store speed per thread (todo: compute here)
*/ */
@ -34,14 +38,25 @@ extern "C" void stats_remember_speed(int thr_id, uint32_t hashcount, double hash
uint64_t key = (thr << 56) + (uid++ % UINT_MAX); uint64_t key = (thr << 56) + (uid++ % UINT_MAX);
stats_data data; stats_data data;
// to enough hashes to give right stats
if (hashcount < 1000 || hashrate < 0.01) if (hashcount < 1000 || hashrate < 0.01)
return; return;
// first hash rates are often erroneous
if (uid <= opt_n_threads)
return;
memset(&data, 0, sizeof(data)); memset(&data, 0, sizeof(data));
data.thr_id = (uint8_t) thr; data.thr_id = (uint8_t) thr;
data.tm_stat = (uint32_t) time(NULL); data.tm_stat = (uint32_t) time(NULL);
data.hashcount = hashcount; data.hashcount = hashcount;
data.hashrate = hashrate; data.hashrate = hashrate;
if (global_hashrate && uid > 10) {
// prevent stats on too high vardiff (erroneous rates)
double ratio = (hashrate / (1.0 * global_hashrate));
if (ratio < 0.4 || ratio > 1.6)
data.ignored = 1;
}
tlastscans[key] = data; tlastscans[key] = data;
} }
@ -58,7 +73,8 @@ extern "C" double stats_get_speed(int thr_id)
std::map<uint64_t, stats_data>::reverse_iterator i = tlastscans.rbegin(); std::map<uint64_t, stats_data>::reverse_iterator i = tlastscans.rbegin();
while (i != tlastscans.rend() && records < 50) { while (i != tlastscans.rend() && records < 50) {
if ((i->first & UINT_MAX) > 3) /* ignore firsts */ /* ignore n firsts */
if (!i->second.ignored)
if (thr_id == -1 || (keypfx & i->first) == keypfx) { if (thr_id == -1 || (keypfx & i->first) == keypfx) {
if (i->second.hashcount > 1000) { if (i->second.hashcount > 1000) {
speed += i->second.hashrate; speed += i->second.hashrate;