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(* Copyright 2004 Sascha Husa, Ian Hinder, Christiane Lechner
This file is part of Kranc.
Kranc 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 2 of the License, or
(at your option) any later version.
Kranc 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 Kranc; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
BeginPackage["OpenCL`", {"Errors`", "Helpers`", "Kranc`", "Calculation`", "CodeGen`",
"Vectorisation`"}];
OpenCLPrologue;
OpenCLEpilogue;
OpenCLProcessKernel;
OpenCLIncludeFiles;
OpenCLConfigurationCCL;
OpenCLProcessDifferencingHeader;
OpenCLLocalsToGridFunctions;
Begin["`Private`"];
DefFn[
OpenCLPrologue[] :=
"const char* const source =\n"];
DefFn[
OpenCLEpilogue[cleancalc_List, imp_String, functionName_String] :=
{
";\n\n",
Module[
{ignoreGroups, groupsNames, groupNameList},
ignoreGroups = {"TmunuBase::stress_energy_scalar",
"TmunuBase::stress_energy_vector",
"TmunuBase::stress_energy_tensor"};
groupNames = GroupsInCalculation[cleancalc, imp];
groupNames = Select[groupNames, !MemberQ[ignoreGroups, #] &];
{
"const char* const groups[] = {\n ",
Riffle[Join[Map[Quote, groupNames], {"NULL"}], ",\n "],
"};\n\n"
}
],
"static struct OpenCLKernel *kernel = NULL;\n",
"const char* const sources[] = {differencing, source, NULL};\n",
"OpenCLRunTime_CallKernel(cctkGH, CCTK_THORNSTRING, \"" <> functionName <> "\",\n",
" sources, groups, NULL, NULL, NULL, -1,\n",
" imin, imax, &kernel);\n\n"
}];
DefFn[
OpenCLProcessKernel[code:CodeGenBlock] :=
Stringify[code]];
DefFn[
OpenCLLocalsToGridFunctions[gridNames_List, localNames_List] :=
VectorisationLocalsToGridFunctions[gridNames, localNames, {"lc_imin", "lc_imax"}]];
DefFn[
OpenCLIncludeFiles[] :=
{"OpenCLRunTime.h"}];
DefFn[
OpenCLConfigurationCCL[] :=
"REQUIRES OpenCL OpenCLRunTime\n"];
DefFn[
OpenCLProcessDifferencingHeader[diffHeader_] :=
"static const char* const differencing =\n" <>
Stringify[diffHeader] <>
";\n"];
End[];
EndPackage[];
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