| 188 | } |
| 189 | |
| 190 | static void |
| 191 | calcNrThreads( |
| 192 | size_t threads[2], |
| 193 | const SubproblemDim *subdims, |
| 194 | const PGranularity *pgran, |
| 195 | const void *args, |
| 196 | const void *extra) |
| 197 | { |
| 198 | int BLOCKSIZE = pgran->wgSize[0]; // 1D Block |
| 199 | size_t tailM, tailN, M, N; |
| 200 | size_t Y, X; |
| 201 | size_t nWorkGroupsAY, nWorkGroupsAX, nWorkGroupsA; |
| 202 | size_t nWorkGroupsBY, nWorkGroupsBX, nWorkGroupsB; |
| 203 | size_t totalWorkGroups; |
| 204 | #ifdef DEBUG_GEMM_TAIL |
| 205 | printf("calcNrThreads called from gemm_tail.cpp\n"); |
| 206 | #endif |
| 207 | const CLBlasKargs *kargs = (const CLBlasKargs *)args; |
| 208 | const CLBLASKernExtra *kextra = ( CLBLASKernExtra *)extra; |
| 209 | KernelExtraFlags kflags = kextra->flags; |
| 210 | |
| 211 | // |
| 212 | // RowMajor GEMM can be expressed in terms of Column Major GEMM |
| 213 | // |
| 214 | if ((kflags & KEXTRA_COLUMN_MAJOR) == 0) |
| 215 | { |
| 216 | printf("calcNrThreads: FIXME: RowMajor is NOT supported \n"); |
| 217 | return; |
| 218 | } |
| 219 | |
| 220 | if (kextra->vecLenA != 1) |
| 221 | { |
| 222 | printf("GEMM_TAIL: calcNrThreads(): Vector Length must be 1 for TAIL. Non-one Vector Length Requested\n"); |
| 223 | return; |
| 224 | } |
| 225 | |
| 226 | tailM = kargs->tailStartM; |
| 227 | tailN = kargs->tailStartN; |
| 228 | M = kargs->M; |
| 229 | N = kargs->N; |
| 230 | |
| 231 | Y = 8; |
| 232 | if (Y != subdims->y) |
| 233 | { |
| 234 | Y = subdims->y; |
| 235 | } |
| 236 | X = BLOCKSIZE/Y; |
| 237 | /* |
| 238 | LEGACY CODE: Outdated now. TAIL can handle this condition now using MTAIL_PRESENT and NTAIL_PRESENT |
| 239 | if (tailN % X) |
| 240 | { |
| 241 | printf("GEMM_TAIL: calcNrThreads(): WARNING: tailN is not divisible by X. Will produce Wrong results!\n"); |
| 242 | } |
| 243 | */ |
| 244 | |
| 245 | // |
| 246 | // A Tail Workgroup will process YxX panel |
| 247 | // |
nothing calls this directly
no outgoing calls
no test coverage detected