GOSTSec/ccminer
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fix for jackpot hash

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max nounce was too low (bad cpu miner copy/paste i guess)

hash speed was not right also... (was divided per 2)
This commit is contained in:
Tanguy Pruvot 2014-11-10 14:18:34 +01:00
parent 2ab1e3700f
commit a35b150b7f
2 changed files with 19 additions and 15 deletions
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28
JHA/jackpotcoin.cu
View File

@ -85,9 +85,6 @@ extern "C" unsigned int jackpothash(void *state, const void *input)
return round;
}
extern bool opt_benchmark;
extern "C" int scanhash_jackpot(int thr_id, uint32_t *pdata,
const uint32_t *ptarget, uint32_t max_nonce,
unsigned long *hashes_done)
@ -95,9 +92,9 @@ extern "C" int scanhash_jackpot(int thr_id, uint32_t *pdata,
const uint32_t first_nonce = pdata[19];
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x0000ff;
((uint32_t*)ptarget)[7] = 0x000f;
int throughput = opt_work_size ? opt_work_size : (1 << 22); // 256*4096*4
int throughput = opt_work_size ? opt_work_size : (1 << 20); // 256*4096
throughput = min(throughput, max_nonce - first_nonce);
static bool init[8] = {0,0,0,0,0,0,0,0};
@ -105,19 +102,23 @@ extern "C" int scanhash_jackpot(int thr_id, uint32_t *pdata,
{
cudaSetDevice(device_map[thr_id]);
// Konstanten kopieren, Speicher belegen
cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput);
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput));
jackpot_keccak512_cpu_init(thr_id, throughput);
jackpot_compactTest_cpu_init(thr_id, throughput);
quark_blake512_cpu_init(thr_id, throughput);
quark_groestl512_cpu_init(thr_id, throughput);
quark_jh512_cpu_init(thr_id, throughput);
quark_skein512_cpu_init(thr_id, throughput);
cuda_check_cpu_init(thr_id, throughput);
cudaMalloc(&d_jackpotNonces[thr_id], sizeof(uint32_t)*throughput*2);
cudaMalloc(&d_branch1Nonces[thr_id], sizeof(uint32_t)*throughput*2);
cudaMalloc(&d_branch2Nonces[thr_id], sizeof(uint32_t)*throughput*2);
cudaMalloc(&d_branch3Nonces[thr_id], sizeof(uint32_t)*throughput*2);
CUDA_SAFE_CALL(cudaMalloc(&d_jackpotNonces[thr_id], sizeof(uint32_t)*throughput*2));
init[thr_id] = true;
}
@ -220,7 +221,7 @@ extern "C" int scanhash_jackpot(int thr_id, uint32_t *pdata,
if ((vhash64[7]<=Htarg) && fulltest(vhash64, ptarget)) {
pdata[19] = foundNonce;
*hashes_done = (foundNonce - first_nonce + 1)/2;
*hashes_done = foundNonce - first_nonce + 1;
//applog(LOG_INFO, "GPU #%d: result for nonce $%08X does validate on CPU (%d rounds)!", thr_id, foundNonce, rounds);
return 1;
} else {
@ -228,10 +229,15 @@ extern "C" int scanhash_jackpot(int thr_id, uint32_t *pdata,
}
}
if ((uint64_t) pdata[19] + throughput > (uint64_t) max_nonce) {
pdata[19] = max_nonce;
break;
}
pdata[19] += throughput;
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
} while (!work_restart[thr_id].restart);
*hashes_done = (pdata[19] - first_nonce + 1)/2;
*hashes_done = pdata[19] - first_nonce + 1;
return 0;
}

6
cpu-miner.c
View File

@ -1087,12 +1087,10 @@ static void *miner_thread(void *userdata)
/* should not be set too high,
else you can miss multiple nounces */
switch (opt_algo) {
case ALGO_JACKPOT:
max64 = 0x1fffLL;
break;
case ALGO_BLAKECOIN:
max64 = 0x3ffffffLL;
break;
case ALGO_JACKPOT:
case ALGO_BLAKE:
/* based on the 750Ti hashrate (100kH) */
max64 = 0x1ffffffLL;
@ -1304,7 +1302,7 @@ continue_scan:
sprintf(s, thr_hashrates[thr_id] >= 1e6 ? "%.0f" : "%.2f",
1e-3 * thr_hashrates[thr_id]);
applog(LOG_INFO, "GPU #%d: %s, %s kH/s",
device_map[thr_id], device_name[thr_id], s);
device_map[thr_id], device_name[device_map[thr_id]], s);
}
if (thr_id == opt_n_threads - 1) {
double hashrate = 0.;