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Microoptimise phatk kernel on return code.

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This commit is contained in:
Con Kolivas 2012-02-13 12:22:35 +11:00
parent 83b76da2c6
commit b2b5083bda
2 changed files with 30 additions and 36 deletions
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2
ocl.c
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@ -597,7 +597,7 @@ build:
/* copy over all of the generated binaries. */
applog(LOG_DEBUG, "Binary size for gpu %d found in binary slot %d: %d", gpu, slot, binary_sizes[slot]);
if (!binary_sizes[slot]) {
applog(LOG_ERR, "OpenCL compiler generated a zero sized binary, may need to reboot!");
applog(LOG_ERR, "OpenCL compiler generated a zero sized binary, FAIL!");
return NULL;
}
binaries[slot] = calloc(sizeof(char) * binary_sizes[slot], 1);

64
phatk120203.cl
View File

@ -4,12 +4,10 @@
#ifdef VECTORS4
typedef uint4 u;
#else
#ifdef VECTORS2
typedef uint2 u;
#else
typedef uint u;
#endif
#elif defined VECTORS2
typedef uint2 u;
#else
typedef uint u;
#endif
__constant uint K[64] = {
@ -175,7 +173,7 @@ void search( const uint state0, const uint state1, const uint state2, const uint
//Dummy Variable to prevent compiler from reordering between rounds
u t1;
//Vals[0]=state0;
Vals[1]=B1;
Vals[2]=C1;
@ -194,16 +192,14 @@ void search( const uint state0, const uint state1, const uint state2, const uint
uint r = rot(W[3].x,25u)^rot(W[3].x,14u)^((W[3].x)>>3U);
//Since only the 2 LSB is opposite between the nonces, we can save an instruction by flipping the 4 bits in W18 rather than the 1 bit in W3
W[18] = PreW18 + (u){r, r ^ 0x2004000U, r ^ 0x4008000U, r ^ 0x600C000U};
#elif defined VECTORS2
W[3] = base + (uint)(get_local_id(0)) * 2u + (uint)(get_group_id(0)) * (WORKSIZE * 2u);
uint r = rot(W[3].x,25u)^rot(W[3].x,14u)^((W[3].x)>>3U);
W[18] = PreW18 + (u){r, r ^ 0x2004000U};
#else
#ifdef VECTORS2
W[3] = base + (uint)(get_local_id(0)) * 2u + (uint)(get_group_id(0)) * (WORKSIZE * 2u);
uint r = rot(W[3].x,25u)^rot(W[3].x,14u)^((W[3].x)>>3U);
W[18] = PreW18 + (u){r, r ^ 0x2004000U};
#else
W[3] = base + get_local_id(0) + get_group_id(0) * (WORKSIZE);
u r = rot(W[3],25u)^rot(W[3],14u)^((W[3])>>3U);
W[18] = PreW18 + r;
#endif
W[3] = base + get_local_id(0) + get_group_id(0) * (WORKSIZE);
u r = rot(W[3],25u)^rot(W[3],14u)^((W[3])>>3U);
W[18] = PreW18 + r;
#endif
//the order of the W calcs and Rounds is like this because the compiler needs help finding how to order the instructions
@ -388,36 +384,34 @@ void search( const uint state0, const uint state1, const uint state2, const uint
sharoundW(64 + 57);
sharoundW(64 + 58);
u v = W[117] + W[108] + Vals[3] + Vals[7] + P2(124) + P1(124) + Ch((Vals[0] + Vals[4]) + (K[59] + W(59+64)) + s1(64+59)+ ch(59+64),Vals[1],Vals[2]) ^
-(K[60] + H[7]) - S1((Vals[0] + Vals[4]) + (K[59] + W(59+64)) + s1(64+59)+ ch(59+64));
W[117] += W[108] + Vals[3] + Vals[7] + P2(124) + P1(124) + Ch((Vals[0] + Vals[4]) + (K[59] + W(59+64)) + s1(64+59)+ ch(59+64),Vals[1],Vals[2]) -
(-(K[60] + H[7]) - S1((Vals[0] + Vals[4]) + (K[59] + W(59+64)) + s1(64+59)+ ch(59+64)));
#define FOUND (0x80)
#define NFLAG (0x7F)
#ifdef VECTORS4
bool result = v.x & v.y & v.z & v.w;
bool result = W[117].x & W[117].y & W[117].z & W[117].w;
if (!result) {
if (!v.x)
if (!W[117].x)
output[FOUND] = output[NFLAG & W[3].x] = W[3].x;
if (!v.y)
if (!W[117].y)
output[FOUND] = output[NFLAG & W[3].y] = W[3].y;
if (!v.z)
if (!W[117].z)
output[FOUND] = output[NFLAG & W[3].z] = W[3].z;
if (!v.w)
if (!W[117].w)
output[FOUND] = output[NFLAG & W[3].w] = W[3].w;
}
#elif defined VECTORS2
bool result = W[117].x & W[117].y;
if (!result) {
if (!W[117].x)
output[FOUND] = output[NFLAG & W[3].x] = W[3].x;
if (!W[117].y)
output[FOUND] = output[NFLAG & W[3].y] = W[3].y;
}
#else
#ifdef VECTORS2
bool result = v.x & v.y;
if (!result) {
if (!v.x)
output[FOUND] = output[NFLAG & W[3].x] = W[3].x;
if (!v.y)
output[FOUND] = output[NFLAG & W[3].y] = W[3].y;
}
#else
if (!v)
output[FOUND] = output[NFLAG & W[3]] = W[3];
#endif
if (!W[117])
output[FOUND] = output[NFLAG & W[3]] = W[3];
#endif
}