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Implement low power mode (double hash).

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This commit is contained in:
XMRig 2017-05-01 03:49:05 +03:00
parent caf7cda1d5
commit 1678dc1d6d
18 changed files with 686 additions and 390 deletions
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72
algo/cryptonight/cryptonight.c
View file

@ -38,7 +38,12 @@
#include "options.h"
const static char test_input[76] = {
const static char test_input[152] = {
0x03, 0x05, 0xA0, 0xDB, 0xD6, 0xBF, 0x05, 0xCF, 0x16, 0xE5, 0x03, 0xF3, 0xA6, 0x6F, 0x78, 0x00,
0x7C, 0xBF, 0x34, 0x14, 0x43, 0x32, 0xEC, 0xBF, 0xC2, 0x2E, 0xD9, 0x5C, 0x87, 0x00, 0x38, 0x3B,
0x30, 0x9A, 0xCE, 0x19, 0x23, 0xA0, 0x96, 0x4B, 0x00, 0x00, 0x00, 0x08, 0xBA, 0x93, 0x9A, 0x62,
0x72, 0x4C, 0x0D, 0x75, 0x81, 0xFC, 0xE5, 0x76, 0x1E, 0x9D, 0x8A, 0x0E, 0x6A, 0x1C, 0x3F, 0x92,
0x4F, 0xDD, 0x84, 0x93, 0xD1, 0x11, 0x56, 0x49, 0xC0, 0x5E, 0xB6, 0x01,
0x03, 0x05, 0xA0, 0xDB, 0xD6, 0xBF, 0x05, 0xCF, 0x16, 0xE5, 0x03, 0xF3, 0xA6, 0x6F, 0x78, 0x00,
0x7C, 0xBF, 0x34, 0x14, 0x43, 0x32, 0xEC, 0xBF, 0xC2, 0x2E, 0xD9, 0x5C, 0x87, 0x00, 0x38, 0x3B,
0x30, 0x9A, 0xCE, 0x19, 0x23, 0xA0, 0x96, 0x4B, 0x00, 0x00, 0x00, 0x08, 0xBA, 0x93, 0x9A, 0x62,
@ -47,36 +52,38 @@ const static char test_input[76] = {
};
const static char test_output[32] = {
const static char test_output[64] = {
0x1A, 0x3F, 0xFB, 0xEE, 0x90, 0x9B, 0x42, 0x0D, 0x91, 0xF7, 0xBE, 0x6E, 0x5F, 0xB5, 0x6D, 0xB7,
0x1B, 0x31, 0x10, 0xD8, 0x86, 0x01, 0x1E, 0x87, 0x7E, 0xE5, 0x78, 0x6A, 0xFD, 0x08, 0x01, 0x00,
0x1A, 0x3F, 0xFB, 0xEE, 0x90, 0x9B, 0x42, 0x0D, 0x91, 0xF7, 0xBE, 0x6E, 0x5F, 0xB5, 0x6D, 0xB7,
0x1B, 0x31, 0x10, 0xD8, 0x86, 0x01, 0x1E, 0x87, 0x7E, 0xE5, 0x78, 0x6A, 0xFD, 0x08, 0x01, 0x00
};
void cryptonight_av1_aesni(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_av2_aesni_double(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_av4_softaes(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_av5_softaes_double(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
#if defined(__x86_64__)
void cryptonight_av2_aesni_stak(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_av3_aesni_bmi2(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_av5_aesni_experimental(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
#endif
void (*cryptonight_hash_ctx)(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx) = NULL;
static bool self_test() {
char output[32];
char output[64];
struct cryptonight_ctx *ctx = (struct cryptonight_ctx*) _mm_malloc(sizeof(struct cryptonight_ctx), 16);
ctx->memory = (uint8_t *) _mm_malloc(MEMORY, 16);
ctx->memory = (uint8_t *) _mm_malloc(MEMORY * 2, 16);
cryptonight_hash_ctx(test_input, sizeof(test_input), output, ctx);
cryptonight_hash_ctx(test_input, 76, output, ctx);
_mm_free(ctx->memory);
_mm_free(ctx);
return memcmp(output, test_output, 32) == 0;
return memcmp(output, test_output, (opt_double_hash ? 64 : 32)) == 0;
}
@ -87,23 +94,25 @@ bool cryptonight_init(int variant)
cryptonight_hash_ctx = cryptonight_av1_aesni;
break;
# if defined(__x86_64__)
case XMR_AV2_STAK:
cryptonight_hash_ctx = cryptonight_av2_aesni_stak;
case XMR_AV2_AESNI_DOUBLE:
opt_double_hash = true;
cryptonight_hash_ctx = cryptonight_av2_aesni_double;
break;
# if defined(__x86_64__)
case XMR_AV3_AESNI_BMI2:
cryptonight_hash_ctx = cryptonight_av3_aesni_bmi2;
break;
case XMR_AV5_EXPERIMENTAL:
cryptonight_hash_ctx = cryptonight_av5_aesni_experimental;
break;
# endif
case XMR_AV4_SOFT_AES:
cryptonight_hash_ctx = cryptonight_av4_softaes;
break;
cryptonight_hash_ctx = cryptonight_av4_softaes;
break;
case XMR_AV5_SOFT_AES_DOUBLE:
opt_double_hash = true;
cryptonight_hash_ctx = cryptonight_av5_softaes_double;
break;
default:
break;
@ -153,4 +162,33 @@ int scanhash_cryptonight(int thr_id, uint32_t *hash, uint32_t *restrict blob, si
return 0;
}
int scanhash_cryptonight_double(int thr_id, uint32_t *hash, uint8_t *restrict blob, size_t blob_size, uint32_t target, uint32_t max_nonce, unsigned long *restrict hashes_done, struct cryptonight_ctx *restrict ctx) {
int rc = 0;
uint32_t *nonceptr0 = (uint32_t*) (((char*) blob) + 39);
uint32_t *nonceptr1 = (uint32_t*) (((char*) blob) + 39 + blob_size);
do {
cryptonight_hash_ctx(blob, blob_size, hash, ctx);
(*hashes_done) += 2;
if (unlikely(hash[7] < target)) {
return rc |= 1;
}
if (unlikely(hash[15] < target)) {
return rc |= 2;
}
if (rc) {
break;
}
(*nonceptr0)++;
(*nonceptr1)++;
} while (likely(((*nonceptr0) < max_nonce && !work_restart[thr_id].restart)));
return rc;
}
#endif