GOSTSec/vanitygen
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Use multiple time/work samples to determine key rate.

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This commit is contained in:
samr7 2011-07-30 07:29:06 -07:00
parent 5d5b1631d5
commit d43ead4b3e
1 changed files with 35 additions and 4 deletions
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39
pattern.c
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@ -228,11 +228,18 @@ vg_exec_context_calc_address(vg_exec_context_t *vxcp)
hash2, 20);
}
enum {
timing_hist_size = 5
};
typedef struct _timing_info_s {
struct _timing_info_s *ti_next;
pthread_t ti_thread;
unsigned long ti_last_rate;
unsigned long long ti_hist_time[timing_hist_size];
unsigned long ti_hist_work[timing_hist_size];
int ti_hist_last;
} timing_info_t;
int
@ -245,7 +252,7 @@ vg_output_timing(vg_context_t *vcp, int cycle, struct timeval *last)
pthread_t me;
struct timeval tvnow, tv;
timing_info_t *tip, *mytip;
unsigned long long rate, myrate;
unsigned long long rate, myrate, mytime;
double count, prob, time, targ;
char linebuf[80];
char *unit;
@ -257,16 +264,31 @@ vg_output_timing(vg_context_t *vcp, int cycle, struct timeval *last)
gettimeofday(&tvnow, NULL);
timersub(&tvnow, last, &tv);
memcpy(last, &tvnow, sizeof(*last));
myrate = tv.tv_usec + (1000000 * tv.tv_sec);
myrate = (1000000ULL * cycle) / myrate;
mytime = tv.tv_usec + (1000000ULL * tv.tv_sec);
if (!mytime)
mytime = 1;
rate = 0;
pthread_mutex_lock(&mutex);
me = pthread_self();
rate = myrate;
for (tip = timing_head, mytip = NULL; tip != NULL; tip = tip->ti_next) {
if (pthread_equal(tip->ti_thread, me)) {
mytip = tip;
p = ((tip->ti_hist_last + 1) % timing_hist_size);
tip->ti_hist_time[p] = mytime;
tip->ti_hist_work[p] = cycle;
tip->ti_hist_last = p;
mytime = 0;
myrate = 0;
for (i = 0; i < timing_hist_size; i++) {
mytime += tip->ti_hist_time[i];
myrate += tip->ti_hist_work[i];
}
myrate = (myrate * 1000000) / mytime;
tip->ti_last_rate = myrate;
rate += myrate;
} else
rate += tip->ti_last_rate;
}
@ -275,7 +297,16 @@ vg_output_timing(vg_context_t *vcp, int cycle, struct timeval *last)
mytip->ti_next = timing_head;
mytip->ti_thread = me;
timing_head = mytip;
mytip->ti_hist_last = 0;
mytip->ti_hist_time[0] = mytime;
mytip->ti_hist_work[0] = cycle;
for (i = 1; i < timing_hist_size; i++) {
mytip->ti_hist_time[i] = 1;
mytip->ti_hist_work[i] = 0;
}
myrate = ((unsigned long long)cycle * 1000000) / mytime;
mytip->ti_last_rate = myrate;
rate += myrate;
}
total += cycle;