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Cycling over 1026 nonces is a remnant of old code not relevant now and can just lead to repeat submission of the same block increasing rejects.

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Remove it.
This commit is contained in:
Con Kolivas 2011-07-17 23:38:29 +10:00
parent b6ac9f185e
commit 1c070475c3
1 changed files with 35 additions and 51 deletions
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86
findnonce.c
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@ -152,19 +152,17 @@ static void *postcalc_hash(void *userdata)
struct thr_info *thr = pcd->thr; struct thr_info *thr = pcd->thr;
dev_blk_ctx *blk = &pcd->work->blk; dev_blk_ctx *blk = &pcd->work->blk;
struct work *work = pcd->work; struct work *work = pcd->work;
uint32_t start = 0;
cl_uint A, B, C, D, E, F, G, H; cl_uint A, B, C, D, E, F, G, H;
cl_uint W[16]; cl_uint W[16];
cl_uint nonce; cl_uint nonce = 0;
cl_uint best_g;
uint32_t end;
int entry = 0; int entry = 0;
pthread_detach(pthread_self());
cycle: cycle:
while (entry < MAXBUFFERS) { while (entry < MAXBUFFERS) {
if (pcd->res[entry]) { if (pcd->res[entry]) {
start = pcd->res[entry++]; nonce = pcd->res[entry++];
break; break;
} }
entry++; entry++;
@ -172,54 +170,41 @@ cycle:
if (entry == MAXBUFFERS) if (entry == MAXBUFFERS)
goto out; goto out;
best_g = ~0; A = blk->cty_a; B = blk->cty_b;
end = start + 1026; C = blk->cty_c; D = blk->cty_d;
E = blk->cty_e; F = blk->cty_f;
G = blk->cty_g; H = blk->cty_h;
W[0] = blk->merkle; W[1] = blk->ntime;
W[2] = blk->nbits; W[3] = nonce;;
W[4] = 0x80000000; W[5] = 0x00000000; W[6] = 0x00000000; W[7] = 0x00000000;
W[8] = 0x00000000; W[9] = 0x00000000; W[10] = 0x00000000; W[11] = 0x00000000;
W[12] = 0x00000000; W[13] = 0x00000000; W[14] = 0x00000000; W[15] = 0x00000280;
PIR(0); IR(8);
FR(16); FR(24);
FR(32); FR(40);
FR(48); FR(56);
for (nonce = start; nonce != end; nonce+=1) { W[0] = A + blk->ctx_a; W[1] = B + blk->ctx_b;
A = blk->cty_a; B = blk->cty_b; W[2] = C + blk->ctx_c; W[3] = D + blk->ctx_d;
C = blk->cty_c; D = blk->cty_d; W[4] = E + blk->ctx_e; W[5] = F + blk->ctx_f;
E = blk->cty_e; F = blk->cty_f; W[6] = G + blk->ctx_g; W[7] = H + blk->ctx_h;
G = blk->cty_g; H = blk->cty_h; W[8] = 0x80000000; W[9] = 0x00000000; W[10] = 0x00000000; W[11] = 0x00000000;
W[0] = blk->merkle; W[1] = blk->ntime; W[12] = 0x00000000; W[13] = 0x00000000; W[14] = 0x00000000; W[15] = 0x00000100;
W[2] = blk->nbits; W[3] = nonce;; A = 0x6a09e667; B = 0xbb67ae85;
W[4] = 0x80000000; W[5] = 0x00000000; W[6] = 0x00000000; W[7] = 0x00000000; C = 0x3c6ef372; D = 0xa54ff53a;
W[8] = 0x00000000; W[9] = 0x00000000; W[10] = 0x00000000; W[11] = 0x00000000; E = 0x510e527f; F = 0x9b05688c;
W[12] = 0x00000000; W[13] = 0x00000000; W[14] = 0x00000000; W[15] = 0x00000280; G = 0x1f83d9ab; H = 0x5be0cd19;
PIR(0); IR(8); IR(0); IR(8);
FR(16); FR(24); FR(16); FR(24);
FR(32); FR(40); FR(32); FR(40);
FR(48); FR(56); FR(48); PFR(56);
W[0] = A + blk->ctx_a; W[1] = B + blk->ctx_b; if (likely(H == 0xA41F32E7)) {
W[2] = C + blk->ctx_c; W[3] = D + blk->ctx_d; if (unlikely(submit_nonce(thr, work, nonce) == false)) {
W[4] = E + blk->ctx_e; W[5] = F + blk->ctx_f; applog(LOG_ERR, "Failed to submit work, exiting");
W[6] = G + blk->ctx_g; W[7] = H + blk->ctx_h; goto out;
W[8] = 0x80000000; W[9] = 0x00000000; W[10] = 0x00000000; W[11] = 0x00000000;
W[12] = 0x00000000; W[13] = 0x00000000; W[14] = 0x00000000; W[15] = 0x00000100;
A = 0x6a09e667; B = 0xbb67ae85;
C = 0x3c6ef372; D = 0xa54ff53a;
E = 0x510e527f; F = 0x9b05688c;
G = 0x1f83d9ab; H = 0x5be0cd19;
IR(0); IR(8);
FR(16); FR(24);
FR(32); FR(40);
FR(48); PFR(56);
if (unlikely(H == 0xA41F32E7)) {
if (unlikely(submit_nonce(thr, work, nonce) == false)) {
applog(LOG_ERR, "Failed to submit work, exiting");
break;
}
G += 0x1f83d9ab;
G = ByteReverse(G);
if (G < best_g)
best_g = G;
} }
} } else {
if (unlikely(best_g == ~0)) {
if (opt_debug) if (opt_debug)
applog(LOG_DEBUG, "No best_g found! Error in OpenCL code?"); applog(LOG_DEBUG, "No best_g found! Error in OpenCL code?");
hw_errors++; hw_errors++;
@ -228,7 +213,6 @@ cycle:
if (entry < MAXBUFFERS) if (entry < MAXBUFFERS)
goto cycle; goto cycle;
out: out:
pthread_detach(pthread_self());
free(pcd); free(pcd);
return NULL; return NULL;
} }