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64 bit safe offsets

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This commit is contained in:
paboyle 2017-10-25 23:49:23 +01:00
parent a479325349
commit b8654be0ef
1 changed files with 51 additions and 43 deletions
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24
lib/parallelIO/BinaryIO.h
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@ -261,7 +261,7 @@ class BinaryIO {
GridBase *grid,
std::vector<fobj> &iodata,
std::string file,
int offset,
Integer offset,
const std::string &format, int control,
uint32_t &nersc_csum,
uint32_t &scidac_csuma,
@ -445,6 +445,9 @@ class BinaryIO {
#endif
} else {
std::cout << GridLogMessage << "C++ write I/O " << file << " : "
<< iodata.size() * sizeof(fobj) << " bytes" << std::endl;
std::ofstream fout;
fout.exceptions ( std::fstream::failbit | std::fstream::badbit );
try {
@ -459,13 +462,19 @@ class BinaryIO {
exit(1);
#endif
}
std::cout << GridLogMessage<< "C++ write I/O "<< file<<" : "
<< iodata.size()*sizeof(fobj)<<" bytes"<<std::endl;
if ( control & BINARYIO_MASTER_APPEND ) {
try {
fout.seekp(0,fout.end);
} catch (const std::fstream::failure& exc) {
std::cout << "Exception in seeking file end " << file << std::endl;
}
} else {
try {
fout.seekp(offset+myrank*lsites*sizeof(fobj));
} catch (const std::fstream::failure& exc) {
std::cout << "Exception in seeking file " << file <<" offset "<< offset << std::endl;
}
}
try {
@ -480,7 +489,6 @@ class BinaryIO {
exit(1);
#endif
}
fout.close();
}
timer.Stop();
@ -515,7 +523,7 @@ class BinaryIO {
static inline void readLatticeObject(Lattice<vobj> &Umu,
std::string file,
munger munge,
int offset,
Integer offset,
const std::string &format,
uint32_t &nersc_csum,
uint32_t &scidac_csuma,
@ -552,7 +560,7 @@ class BinaryIO {
static inline void writeLatticeObject(Lattice<vobj> &Umu,
std::string file,
munger munge,
int offset,
Integer offset,
const std::string &format,
uint32_t &nersc_csum,
uint32_t &scidac_csuma,
@ -589,7 +597,7 @@ class BinaryIO {
static inline void readRNG(GridSerialRNG &serial,
GridParallelRNG &parallel,
std::string file,
int offset,
Integer offset,
uint32_t &nersc_csum,
uint32_t &scidac_csuma,
uint32_t &scidac_csumb)
@ -651,7 +659,7 @@ class BinaryIO {
static inline void writeRNG(GridSerialRNG &serial,
GridParallelRNG &parallel,
std::string file,
int offset,
Integer offset,
uint32_t &nersc_csum,
uint32_t &scidac_csuma,
uint32_t &scidac_csumb)