MSTRINGIFY( // Avoiding auto-vectorize by using vector-width locked dependent code \n#undef MAD_4 \n#undef MAD_16 \n#undef MAD_64 \n \n#define MAD_4(x, y) x = (y*x) + y; y = (x*y) + x; x = (y*x) + y; y = (x*y) + x; \n#define MAD_16(x, y) MAD_4(x, y); MAD_4(x, y); MAD_4(x, y); MAD_4(x, y); \n#define MAD_64(x, y) MAD_16(x, y); MAD_16(x, y); MAD_16(x, y); MAD_16(x, y); \n __kernel void compute_short_v1(__global short *ptr, short _A) { short x = _A; short y = (short)get_local_id(0); for(int i=0; i<64; i++) { MAD_16(x, y); } ptr[get_global_id(0)] = y; } __kernel void compute_short_v2(__global short *ptr, short _A) { short2 x = (short2)(_A, (_A+1)); short2 y = (short2)get_local_id(0); for(int i=0; i<32; i++) { MAD_16(x, y); } ptr[get_global_id(0)] = (y.S0) + (y.S1); } __kernel void compute_short_v4(__global short *ptr, short _A) { short4 x = (short4)(_A, (_A+1), (_A+2), (_A+3)); short4 y = (short4)get_local_id(0); for(int i=0; i<16; i++) { MAD_16(x, y); } ptr[get_global_id(0)] = (y.S0) + (y.S1) + (y.S2) + (y.S3); } __kernel void compute_short_v8(__global short *ptr, short _A) { short8 x = (short8)(_A, (_A+1), (_A+2), (_A+3), (_A+4), (_A+5), (_A+6), (_A+7)); short8 y = (short8)get_local_id(0); for(int i=0; i<8; i++) { MAD_16(x, y); } ptr[get_global_id(0)] = (y.S0) + (y.S1) + (y.S2) + (y.S3) + (y.S4) + (y.S5) + (y.S6) + (y.S7); } __kernel void compute_short_v16(__global short *ptr, short _A) { short16 x = (short16)(_A, (_A+1), (_A+2), (_A+3), (_A+4), (_A+5), (_A+6), (_A+7), (_A+8), (_A+9), (_A+10), (_A+11), (_A+12), (_A+13), (_A+14), (_A+15)); short16 y = (short16)get_local_id(0); for(int i=0; i<4; i++) { MAD_16(x, y); } short2 t = (y.S01) + (y.S23) + (y.S45) + (y.S67) + (y.S89) + (y.SAB) + (y.SCD) + (y.SEF); ptr[get_global_id(0)] = t.S0 + t.S1; } )