portelli/Grid
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32bit issue on the KNL code variant where byte offsets were stored

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This commit is contained in:
azusayamaguchi 2016-10-12 17:49:32 +01:00
parent 1f293b76b4
commit 8b0d171c9a
2 changed files with 14 additions and 11 deletions
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6
lib/Init.cc
View File

@ -246,15 +246,15 @@ void Grid_init(int *argc,char ***argv)
std::cout <<std::endl;
std::cout <<COL_RED << "__|__|__|__|__"<< "|__|__|_"<<COL_PURPLE<<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_RED << "__|__|__|__|__"<< "|__|__|_"<<COL_PURPLE<<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_RED << "__|__| | | "<< "| | | "<<COL_PURPLE<<" | | |"<< " | | | _|__"<<std::endl;
std::cout <<COL_RED << "__|__ "<< " "<<COL_PURPLE<<" "<< " _|__"<<std::endl;
std::cout <<COL_RED << "__|_ | | | "<< "| | | "<<COL_PURPLE<<" | | |"<< " | | | _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<< " "<<COL_PURPLE<<" "<< " _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<<COL_GREEN<<" GGGG "<<COL_RED<<" RRRR "<<COL_BLUE <<" III "<<COL_PURPLE<<"DDDD "<<COL_PURPLE<<" _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<<COL_GREEN<<"G "<<COL_RED<<" R R "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D "<<COL_PURPLE<<" _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<<COL_GREEN<<"G "<<COL_RED<<" R R "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D"<<COL_PURPLE<<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<<COL_GREEN<<"G GG "<<COL_RED<<" RRRR "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D"<<COL_GREEN <<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<<COL_GREEN<<"G G "<<COL_RED<<" R R "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D "<<COL_GREEN <<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<<COL_GREEN<<" GGGG "<<COL_RED<<" R R "<<COL_BLUE <<" III "<<COL_PURPLE<<"DDDD "<<COL_GREEN <<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|__ "<< " "<<COL_GREEN <<" "<< " _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<< " "<<COL_GREEN <<" "<< " _|__"<<std::endl;
std::cout <<COL_BLUE << "__|__|__|__|__"<< "|__|__|_"<<COL_GREEN <<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_BLUE << "__|__|__|__|__"<< "|__|__|_"<<COL_GREEN <<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_BLUE << " | | | | "<< "| | | "<<COL_GREEN <<" | | |"<< " | | | | "<<std::endl;

19
lib/Stencil.h
View File

@ -71,8 +71,8 @@
namespace Grid {
struct StencilEntry {
uint32_t _offset;
uint32_t _byte_offset;
uint64_t _offset;
uint64_t _byte_offset;
uint16_t _is_local;
uint16_t _permute;
uint32_t _around_the_world; //256 bits, 32 bytes, 1/2 cacheline
@ -255,7 +255,8 @@
if( _entries[i]._is_local ) {
_entries[i]._byte_offset = _entries[i]._offset*sizeof(vobj);
} else {
_entries[i]._byte_offset =(uint64_t)&comm_buf[0]+ _entries[i]._offset*sizeof(cobj);
// PrecomputeByteOffsets [5] 16384/32768 140735768678528 140735781261056 2581581952
_entries[i]._byte_offset = _entries[i]._offset*sizeof(cobj);
}
}
};
@ -264,16 +265,18 @@
// _mm_prefetch((char *)&_entries[ent],_MM_HINT_T0);
}
inline uint64_t GetInfo(int &ptype,int &local,int &perm,int point,int ent,uint64_t base) {
//_mm_prefetch((char *)&_entries[ent+1],_MM_HINT_T0);
uint64_t cbase = (uint64_t) 0;
uint64_t cbase = (uint64_t)&comm_buf[0];
local = _entries[ent]._is_local;
perm = _entries[ent]._permute;
if (perm) ptype = _permute_type[point];
if (local) return base + _entries[ent]._byte_offset;
else return cbase + _entries[ent]._byte_offset;
if (local) {
return base + _entries[ent]._byte_offset;
} else {
return cbase + _entries[ent]._byte_offset;
}
}
inline uint64_t GetPFInfo(int ent,uint64_t base) {
uint64_t cbase = (uint64_t) 0;
uint64_t cbase = (uint64_t)&comm_buf[0];
int local = _entries[ent]._is_local;
if (local) return base + _entries[ent]._byte_offset;
else return cbase + _entries[ent]._byte_offset;