X-Git-Url: http://git.rrze.uni-erlangen.de/gitweb/?p=LbmBenchmarkKernelsPublic.git;a=blobdiff_plain;f=src%2FBenchKernelD3Q19ListPullSplitNt2SIntrinsics.h;fp=src%2FBenchKernelD3Q19ListPullSplitNt2SIntrinsics.h;h=399fa5f7b05f8ca77146b84c61fe88d70de8a323;hp=0000000000000000000000000000000000000000;hb=109880839321408644c94a34eb31208460b9f46d;hpb=42cf91486fb5c1ad178b3d21935a1be563e5fa39 diff --git a/src/BenchKernelD3Q19ListPullSplitNt2SIntrinsics.h b/src/BenchKernelD3Q19ListPullSplitNt2SIntrinsics.h new file mode 100644 index 0000000..399fa5f --- /dev/null +++ b/src/BenchKernelD3Q19ListPullSplitNt2SIntrinsics.h @@ -0,0 +1,130 @@ +// -------------------------------------------------------------------------- +// +// Copyright +// Markus Wittmann, 2016-2017 +// RRZE, University of Erlangen-Nuremberg, Germany +// markus.wittmann -at- fau.de or hpc -at- rrze.fau.de +// +// Viktor Haag, 2016 +// LSS, University of Erlangen-Nuremberg, Germany +// +// This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels). +// +// LbmBenchKernels is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// LbmBenchKernels is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with LbmBenchKernels. If not, see . +// +// -------------------------------------------------------------------------- + +#ifndef INDEX_START + #error INDEX_START must be defined +#endif + +#ifndef INDEX_STOP + #error INDEX_STOP must be defined +#endif + + #define I(index, dir) P_INDEX_3((nCells), (index), (dir)) + + for (int blockedIndex = (INDEX_START); blockedIndex < (INDEX_STOP); blockedIndex += nTmpArray) { + + indexMax = MinI(nTmpArray, (INDEX_STOP) - blockedIndex); +#ifdef DEBUG + memset(tmpArray, -1, sizeof(PdfT) * nTmpArray * N_TMP); +#endif + for (int index = 0; index < indexMax; ++index) { + + + adjListIndex = (index + blockedIndex) * N_D3Q19_IDX; + + pdf_C = src[I(index + blockedIndex, D3Q19_C)]; + + #define X(name, idx, idxinv, _x, _y, _z) JOIN(pdf_,name) = src[adjList[adjListIndex + idx]]; tmpArray[TMP_INDEX(index, idx)] = JOIN(pdf_,name); + D3Q19_LIST_WO_C + #undef X + + ux = pdf_E + pdf_NE + pdf_SE + pdf_TE + pdf_BE - + pdf_W - pdf_NW - pdf_SW - pdf_TW - pdf_BW; + uy = pdf_N + pdf_NE + pdf_NW + pdf_TN + pdf_BN - + pdf_S - pdf_SE - pdf_SW - pdf_TS - pdf_BS; + uz = pdf_T + pdf_TE + pdf_TW + pdf_TN + pdf_TS - + pdf_B - pdf_BE - pdf_BW - pdf_BN - pdf_BS; + + tmpArray[TMP_INDEX(index, TMP_UX)] = ux; + tmpArray[TMP_INDEX(index, TMP_UY)] = uy; + tmpArray[TMP_INDEX(index, TMP_UZ)] = uz; + + dens = pdf_C + + pdf_N + pdf_E + pdf_S + pdf_W + + pdf_NE + pdf_SE + pdf_SW + pdf_NW + + pdf_T + pdf_TN + pdf_TE + pdf_TS + pdf_TW + + pdf_B + pdf_BN + pdf_BE + pdf_BS + pdf_BW; + + dir_indep_trm = dens - (ux * ux + uy * uy + uz * uz) * 3.0 / 2.0; + + w_1_indep = w_1 * dir_indep_trm; + w_2_indep = w_2 * dir_indep_trm; + + tmpArray[TMP_INDEX(index, TMP_W1)] = w_1_indep; + tmpArray[TMP_INDEX(index, TMP_W2)] = w_2_indep; + + dst[I(index + blockedIndex, D3Q19_C )] = pdf_C - omegaEven * (pdf_C - w_0 * dir_indep_trm); + } + + #define LOOP_1(_dir1, _dir2, _vel, _vel_tmp) \ + for (int index = 0; index < indexMax; index += VSIZE) { \ + vui = VLDU(&tmpArray[TMP_INDEX(index, JOIN(TMP_,_vel_tmp))]); \ + vpdf_a = VLDU(&tmpArray[TMP_INDEX(index, JOIN(D3Q19_,_dir1))]); \ + vpdf_b = VLDU(&tmpArray[TMP_INDEX(index, JOIN(D3Q19_,_dir2))]); \ + vw_1_indep = VLDU(&tmpArray[TMP_INDEX(index, TMP_W1)]); \ + \ + vevenPart = VMUL(vomegaEven, VSUB(VSUB(VMUL(voneHalf, VADD(vpdf_a, vpdf_b)), VMUL(vui, VMUL(vui, vw_1_nine_half))), vw_1_indep)); \ + voddPart = VMUL(vomegaOdd, VSUB( VMUL(voneHalf, VSUB(vpdf_a, vpdf_b)), VMUL(vui, vw_1_x3))); \ + VSTNT(&dst[I(index + blockedIndex, JOIN(D3Q19_,_dir1))], VSUB(VSUB(vpdf_a, vevenPart), voddPart)); \ + VSTNT(&dst[I(index + blockedIndex, JOIN(D3Q19_,_dir2))], VADD(VSUB(vpdf_b, vevenPart), voddPart)); \ + } + + #define LOOP_2(_dir1, _dir2, _v1, _v2, _v1_tmp, _v2_tmp, _expr) \ + for (int index = 0; index < indexMax; index += VSIZE) { \ + _v1 = VLDU(&tmpArray[TMP_INDEX(index, JOIN(TMP_,_v1_tmp))]); \ + _v2 = VLDU(&tmpArray[TMP_INDEX(index, JOIN(TMP_,_v2_tmp))]); \ + vpdf_a = VLDU(&tmpArray[TMP_INDEX(index, JOIN(D3Q19_,_dir1))]); \ + vpdf_b = VLDU(&tmpArray[TMP_INDEX(index, JOIN(D3Q19_,_dir2))]); \ + vw_2_indep = VLDU(&tmpArray[TMP_INDEX(index, TMP_W2)]); \ + \ + vui = _expr; \ + vevenPart = VMUL(vomegaEven, VSUB(VSUB(VMUL(voneHalf, VADD(vpdf_a, vpdf_b)), VMUL(vui, VMUL(vui, vw_2_nine_half))), vw_2_indep)); \ + voddPart = VMUL(vomegaOdd, VSUB( VMUL(voneHalf, VSUB(vpdf_a, vpdf_b)), VMUL(vui, vw_2_x3))); \ + VSTNT(&dst[I(index + blockedIndex, JOIN(D3Q19_,_dir1))], VSUB(VSUB(vpdf_a, vevenPart), voddPart)); \ + VSTNT(&dst[I(index + blockedIndex, JOIN(D3Q19_,_dir2))], VADD(VSUB(vpdf_b, vevenPart), voddPart)); \ + } + + LOOP_1(N, S, vuy, UY); + LOOP_1(E, W, vux, UX); + LOOP_1(T, B, vuz, UZ); + LOOP_2(NW, SE, vuy, vux, UY, UX, VSUB(vuy, vux)); + LOOP_2(NE, SW, vuy, vux, UY, UX, VADD(vuy, vux)); + LOOP_2(TW, BE, vux, vuz, UX, UZ, VSUB(vuz, vux)); + LOOP_2(TE, BW, vux, vuz, UX, UZ, VADD(vuz, vux)); + LOOP_2(TS, BN, vuy, vuz, UY, UZ, VSUB(vuz, vuy)); + LOOP_2(TN, BS, vuy, vuz, UY, UZ, VADD(vuz, vuy)); + + #undef LOOP_1 + #undef LOOP_2 + + } // loop over fluid nodes + + #undef I + + #undef INDEX_START + #undef INDEX_STOP +