LBRYCommunity/cpuminer
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Jeff Garzik 2010-11-24 05:55:56 -05:00 • committed by Jeff Garzik
parent 5b6e9a92f1
commit 89a05600ba
1 changed files with 20 additions and 12 deletions
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32
cpu-miner.c
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@ -25,6 +25,7 @@
enum {
STAT_SLEEP_INTERVAL = 10,
POW_SLEEP_INTERVAL = 1,
STAT_CTR_INTERVAL = 10000000,
};
static bool opt_verbose;
@ -70,6 +71,17 @@ struct work {
BIGNUM *target;
};
#define ___constant_swab32(x) ((u32)( \
(((u32)(x) & (u32)0x000000ffUL) << 24) | \
(((u32)(x) & (u32)0x0000ff00UL) << 8) | \
(((u32)(x) & (u32)0x00ff0000UL) >> 8) | \
(((u32)(x) & (u32)0xff000000UL) >> 24)))
static inline uint32_t swab32(uint32_t v)
{
return ___constant_swab32(v);
}
static void databuf_free(struct data_buffer *db)
{
if (!db)
@ -325,17 +337,6 @@ static void inc_stats(uint64_t n_hashes)
pthread_mutex_unlock(&stats_mutex);
}
#define ___constant_swab32(x) ((u32)( \
(((u32)(x) & (u32)0x000000ffUL) << 24) | \
(((u32)(x) & (u32)0x0000ff00UL) << 8) | \
(((u32)(x) & (u32)0x00ff0000UL) >> 8) | \
(((u32)(x) & (u32)0xff000000UL) >> 24)))
static inline uint32_t swab32(uint32_t v)
{
return ___constant_swab32(v);
}
static void runhash(void *state, void *input, const void *init)
{
memcpy(state, init, 32);
@ -354,6 +355,7 @@ static uint32_t scanhash(unsigned char *midstate, unsigned char *data,
uint32_t *hash32 = (uint32_t *) hash;
uint32_t *nonce = (uint32_t *)(data + 12);
uint32_t n;
unsigned long stat_ctr = 0;
while (1) {
n = *nonce;
@ -376,8 +378,14 @@ static uint32_t scanhash(unsigned char *midstate, unsigned char *data,
return n;
}
stat_ctr++;
if (stat_ctr >= STAT_CTR_INTERVAL) {
inc_stats(STAT_CTR_INTERVAL);
stat_ctr = 0;
}
if ((n & 0xffffff) == 0) {
inc_stats(n);
inc_stats(stat_ctr);
if (opt_debug)
fprintf(stderr, "DBG: end of nonce range\n");