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optimized nonce-check and output code for -v 2 and -v 4

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This commit is contained in:
Philip Kaufmann 2012-03-01 17:24:38 +01:00
parent 97ab111ec9
commit aa52e7dfd7
1 changed files with 5 additions and 26 deletions
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31
diakgcn120223.cl
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@ -1,4 +1,4 @@
// DiaKGCN 24-02-2012 - OpenCL kernel by Diapolo
// DiaKGCN 01-03-2012 - OpenCL kernel by Diapolo
//
// Parts and / or ideas for this kernel are based upon the public-domain poclbm project, the phatk kernel by Phateus and the DiabloMiner kernel by DiabloD3.
// The kernel was rewritten by me (Diapolo) and is still public-domain!
@ -571,7 +571,6 @@ __kernel
V[7] += V[3] + W[12] + ch(V[0], V[1], V[2]) + rotr26(V[0]);
#define FOUND (0x80)
#define NFLAG (0x7F)
@ -599,31 +598,11 @@ __kernel
output[FOUND] = output[NFLAG & nonce.s7] = nonce.s7;
}
#elif defined VECTORS4
V[7] ^= 0x136032edU;
bool result = V[7].x & V[7].y & V[7].z & V[7].w;
if (!result) {
if (!V[7].x)
output[FOUND] = output[NFLAG & nonce.x] = nonce.x;
if (!V[7].y)
output[FOUND] = output[NFLAG & nonce.y] = nonce.y;
if (!V[7].z)
output[FOUND] = output[NFLAG & nonce.z] = nonce.z;
if (!V[7].w)
output[FOUND] = output[NFLAG & nonce.w] = nonce.w;
}
if ((V[7].x == 0x136032edU) ^ (V[7].y == 0x136032edU) ^ (V[7].z == 0x136032edU) ^ (V[7].w == 0x136032edU))
output[FOUND] = output[NFLAG & nonce.x] = (V[7].x == 0x136032edU) ? nonce.x : ((V[7].y == 0x136032edU) ? nonce.y : ((V[7].z == 0x136032edU) ? nonce.z : nonce.w));
#elif defined VECTORS2
V[7] ^= 0x136032edU;
bool result = V[7].x & V[7].y;
if (!result) {
if (!V[7].x)
output[FOUND] = output[NFLAG & nonce.x] = nonce.x;
if (!V[7].y)
output[FOUND] = output[NFLAG & nonce.y] = nonce.y;
}
if ((V[7].x == 0x136032edU) + (V[7].y == 0x136032edU))
output[FOUND] = output[NFLAG & nonce.x] = (V[7].x == 0x136032edU) ? nonce.x : nonce.y;
#else
if (V[7] == 0x136032edU)
output[FOUND] = output[NFLAG & nonce] = nonce;