diff options
Diffstat (limited to 'sand-leek-cl.c')
| -rw-r--r-- | sand-leek-cl.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/sand-leek-cl.c b/sand-leek-cl.c index 67157a0..2a44641 100644 --- a/sand-leek-cl.c +++ b/sand-leek-cl.c @@ -31,7 +31,7 @@ int truffle_valid(unsigned char *search_raw, int raw_len, char bitmask, struct s unsigned char digest[20] = {}; sha_update(&sha, e, 4); sha_final(&digest, &sha); - fprintf(stderr, "Need %x%x%x%x%x%x%x%x%x%x (%d)\n", + fprintf(stderr, "Need %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x (%d)\n", search_raw[0], search_raw[1], search_raw[2], @@ -44,7 +44,7 @@ int truffle_valid(unsigned char *search_raw, int raw_len, char bitmask, struct s search_raw[9], raw_len ); - fprintf(stderr, "GPU got %x%x%x%x%x%x%x%x%x%x\n", + fprintf(stderr, "GPU got %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n", digest[0], digest[1], digest[2], @@ -109,15 +109,40 @@ unsigned long run(const char *preferred_platform, unsigned char *search_raw, siz } fprintf(stderr, "Done.\n"); - fprintf(stderr, "Transferring partial SHA work to device... "); + /* pre-adjust context for modofications that are common to all GPU threads */ + sha->data_len += 4; + sha->len += 4; + + /* pre-load end-mark bit */ + sha->data[sha->data_len] = 0x80; + + sha->len *= 8; + /* FIXME loop or leave unrolled? */ + sha->data[56] = sha->len >> 56; + sha->data[57] = sha->len >> 48; + sha->data[58] = sha->len >> 40; + sha->data[59] = sha->len >> 32; + sha->data[60] = sha->len >> 24; + sha->data[61] = sha->len >> 16; + sha->data[62] = sha->len >> 8; + sha->data[63] = sha->len; + + + fprintf(stderr, "Transferring partial SHA work to device (data len is at %d, len is at %d)... ", sha->data_len, sha->len); if (tramp_copy_sha(sha)) { fprintf(stderr, "Failed.\n"); return 1; } fprintf(stderr, "Done.\n"); + /* un-adjust context for modofications that are common to all GPU threads */ + sha->len /= 8; + sha->data_len -= 4; + sha->len -= 4; + fprintf(stderr, "Running kernel... "); clock_gettime(CLOCK_MONOTONIC, &tv_start); + /* FIXME magic */ /* 65536 kernels doing 32767 each, except if it's 00xxxxxx */ #define HASH_PER_RUN ((65536UL*32767UL) - (1<<24)) @@ -126,6 +151,7 @@ unsigned long run(const char *preferred_platform, unsigned char *search_raw, siz return 1; } clock_gettime(CLOCK_MONOTONIC, &tv_end); + /*FIXME*/double clock_delta = tv_delta(&tv_start, &tv_end); fprintf(stderr, "Done in %.2f seconds (%.3f MH/s).\n", clock_delta, (HASH_PER_RUN/clock_delta/1e6)); |