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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/times.h>
#include <limits.h>
#include <time.h>
#include "Arch.h"
#include "IO.hh"
#include "IEEEIO.hh"
#include "HDFIO.hh"
#include "FlexArrayTmpl.H"
#define f_openf77 F77NAME(openf77_,openf77,OPENF77)
#define f_writef77 F77NAME(writef77_,writef77,WRITEF77)
#define f_closef77 F77NAME(closef77_,closef77,CLOSEF77)
extern "C" {
void f_openf77();
void f_writef77(double *data);
void f_closef77();
}
//typedef FlexArray<float> FloatVector;
//
//class fVectorStatistics : public FloatVector {
// fVectorStatistics(int sz=0):FloatVector(sz){}
//};
struct ResultRecord {
float usertime,systemtime,realtime,combined,nbytes,megs_per_second;
// ResultRecord():usertime(0),systemtime(0),realtime(0),
// combined(0),nbytes(0),megs_per_second(0){}
};
#define ClearLine fprintf(stderr,"\r \r")
struct ResultRecordList {
FlexArray<ResultRecord> results;
ResultRecord average_results;
ResultRecordList(){}
void append(ResultRecord &rec);
ResultRecord &operator[](int index){
return results[index];
}
};
void ResultRecordList::append(ResultRecord &rec){
int idx=results.getSize();
float nrecs=(float)idx;
results.append(rec);
average_results.usertime=(average_results.usertime*nrecs+rec.usertime)/(nrecs+1);
average_results.systemtime=(average_results.systemtime*nrecs+rec.systemtime)/(nrecs+1);
average_results.realtime=(average_results.realtime*nrecs+rec.realtime)/(nrecs+1);
average_results.combined=(average_results.combined*nrecs+rec.combined)/(nrecs+1);
average_results.nbytes=(average_results.nbytes*nrecs+rec.nbytes)/(nrecs+1);
rec.megs_per_second = (double)(rec.nbytes)/(1024.0L*1024.0L*(double)rec.realtime);
average_results.megs_per_second = (average_results.megs_per_second*nrecs+rec.megs_per_second)/(nrecs+1);
}
void main(int argc,char *argv[]){
double data[64*64*64];
int dims[3]={64,64,64};
int i,nds;
int ntests;
struct tms stms,etms;
struct timeval stmv,etmv;
double srt,ert;
ResultRecordList ieeeio_results,f77_results,hdf_results;
if(argc>1){
ntests=atoi(argv[1]);
printf("Ntests=%u\n",ntests);
}
else {
ntests=1;
}
for(int tst=0;tst<ntests;tst++){
ResultRecord results;
printf("\nTrial %u --------------\n",tst); // next line
puts("--------------IEEE--------------");
for(i=0,nds=5;i<8;i++,nds+=5){
fprintf(stderr,"IEEEIO <open speed.raw> ");
times(&stms);
gettimeofday(&stmv);
IObase *file = new IEEEIO("speed.raw",IObase::Write);
fprintf(stderr,"Write %2u datasets:",nds);
for(int n=0;n<nds;n++){
fprintf(stderr,"*");
file->write(IObase::Float64,3,dims,data);
}
delete file;
gettimeofday(&etmv);
times(&etms); // times after close to account for buffer flushing
puts("");
ert=(double)etmv.tv_sec + (double)etmv.tv_usec/1000000.0L;
srt=(double)stmv.tv_sec + (double)stmv.tv_usec/1000000.0L;
results.realtime = ert-srt;
results.usertime = (float)(etms.tms_utime-stms.tms_utime)/CLK_TCK;
results.systemtime = (float)(etms.tms_stime-stms.tms_stime)/CLK_TCK;
results.combined = (float)(etms.tms_utime-stms.tms_utime+
etms.tms_stime-stms.tms_stime)/CLK_TCK;
results.nbytes = (float)(nds*IObase::nBytes(IObase::Float64,3,dims));
ieeeio_results.append(results);
}
puts("--------------HDF---------------");
for(i=0,nds=5;i<8;i++,nds+=5){
fprintf(stderr,"HDF <open speed.hdf> ");
times(&stms);
gettimeofday(&stmv);
IObase *file = new HDFIO("speed.hdf",IObase::Write);
fprintf(stderr,"Write %2u datasets:",nds);
for(int n=0;n<nds;n++){
fprintf(stderr,"*");
file->write(IObase::Float64,3,dims,data);
}
delete file;
gettimeofday(&etmv);
times(&etms); // times after close to account for buffer flushing
puts("");
ert=(double)etmv.tv_sec + (double)etmv.tv_usec/1000000.0L;
srt=(double)stmv.tv_sec + (double)stmv.tv_usec/1000000.0L;
results.realtime = ert-srt;
results.usertime = (float)(etms.tms_utime-stms.tms_utime)/CLK_TCK;
results.systemtime = (float)(etms.tms_stime-stms.tms_stime)/CLK_TCK;
results.combined = (float)(etms.tms_utime-stms.tms_utime+
etms.tms_stime-stms.tms_stime)/CLK_TCK;
results.nbytes = (float)(nds*IObase::nBytes(IObase::Float64,3,dims));
hdf_results.append(results);
}
puts("-------------F77 Unformatted---------------");
for(i=0,nds=5;i<8;i++,nds+=5){
fprintf(stderr,"F77 Unf <open f77speed.unf> ");
times(&stms);
gettimeofday(&stmv);
f_openf77();
fprintf(stderr,"Write %2u datasets:",nds);
for(int n=0;n<nds;n++){
fprintf(stderr,"*");
f_writef77(data);
}
f_closef77();
gettimeofday(&etmv);
times(&etms); // times after close to account for buffer flushing
puts("");
ert=(double)etmv.tv_sec + (double)etmv.tv_usec/1000000.0L;
srt=(double)stmv.tv_sec + (double)stmv.tv_usec/1000000.0L;
results.realtime = ert-srt;
results.usertime = (float)(etms.tms_utime-stms.tms_utime)/CLK_TCK;
results.systemtime = (float)(etms.tms_stime-stms.tms_stime)/CLK_TCK;
results.combined = (float)(etms.tms_utime-stms.tms_utime+
etms.tms_stime-stms.tms_stime)/CLK_TCK;
results.nbytes = (float)(nds*IObase::nBytes(IObase::Float64,3,dims));
f77_results.append(results);
}
}
// Now for all of the results
printf("-------IEEE: Average of %u trials------------\n",ntests);
printf("\tRealtime=%f, UserTime=%f, SystemTime=%f, Combined=%f Megs/sec=%f\n",
ieeeio_results.average_results.realtime,
ieeeio_results.average_results.usertime,
ieeeio_results.average_results.systemtime,
ieeeio_results.average_results.combined,
ieeeio_results.average_results.megs_per_second);
printf("-------HDF: Average of %u trials------------\n",ntests);
printf("\tRealtime=%f, UserTime=%f, SystemTime=%f, Combined=%f Megs/sec=%f\n",
hdf_results.average_results.realtime,
hdf_results.average_results.usertime,
hdf_results.average_results.systemtime,
hdf_results.average_results.combined,
hdf_results.average_results.megs_per_second);
printf("-------F77 UNF: Average of %u trials------------\n",ntests);
printf("\tRealtime=%f, UserTime=%f, SystemTime=%f, Combined=%f Megs/sec=%f\n",
f77_results.average_results.realtime,
f77_results.average_results.usertime,
f77_results.average_results.systemtime,
f77_results.average_results.combined,
f77_results.average_results.megs_per_second);
}
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