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/*
* main.cxx
*
* PTLib application source file for testing speed of PSyncPoint class.
*
* Main program entry point.
*
* Copyright 2009 Derek J Smithies
*
* $Revision: 23419 $
*
* You can read the comments to this program in the file main.h
*
* In linux, you can get nice html docs by doing "make docs"
*
*/
#include <ptlib.h>
using namespace std;
#include "main.h"
PCREATE_PROCESS(SyncPoints);
SyncPoints::SyncPoints()
: PProcess("Derek Smithies code factory", "SyncPoints", 1, 0, AlphaCode, 1)
{
}
SyncPoints::~SyncPoints()
{
}
void SyncPoints::ListFinished()
{
++syncPointsSignalled;
allDone.Signal();
}
void SyncPoints::Main()
{
PArgList & args = GetArguments();
args.Parse("l-loops: "
"s-size: "
"h-help. "
#if PTRACING
"o-output:" "-no-output."
"t-trace." "-no-trace."
#endif
"v-version. "
);
if (args.HasOption('h')) {
cout << "usage: map_dict "
<< endl
<< " -l --loops # : count of loops to run over the map/dicts (1000)" << endl
<< " -s --size # : number of elements to pu in map/dict (200) " << endl
<< " -h --help : Get this help message" << endl
<< " -v --version : Get version information " << endl
#if PTRACING
<< " -t --trace : Enable trace, use multiple times for more detail" << endl
<< " -o --output : File for trace output, default is stderr" << endl
#endif
<< endl;
return;
}
PTrace::Initialise(args.GetOptionCount('t'),
args.HasOption('o') ? (const char *)args.GetOptionString('o') : NULL,
PTrace::Blocks | PTrace::Timestamp | PTrace::Thread | PTrace::FileAndLine);
if (args.HasOption('v')) {
cout << endl
<< "Product Name: " << (const char *)GetName() << endl
<< "Manufacturer: " << (const char *)GetManufacturer() << endl
<< "Version : " << (const char *)GetVersion(PTrue) << endl
<< "System : " << (const char *)GetOSName() << '-'
<< (const char *)GetOSHardware() << ' '
<< (const char *)GetOSVersion() << endl
<< endl;
return;
}
loops = 1000;
size = 200;
if (args.HasOption('l')) {
PINDEX t = args.GetOptionString('l').AsInteger();
if (t != 0) {
cerr << " running " << t << " loops over the list of syncPoints " << endl;
loops = t;
}
}
if (args.HasOption('s')) {
PINDEX t = args.GetOptionString('s').AsInteger();
if (t != 0) {
cerr << " running " << t << " Sync Point tests in a row " << endl;
size = t;
}
}
Runner *lastRunner = NULL;
for (PINDEX i = 0; i < size; i++) {
Runner * thisRunner = new Runner(*this, lastRunner, i);
list.push_back(thisRunner);
lastRunner = thisRunner;
}
PTime a;
for(PINDEX i = 0; i < loops; i++) {
lastRunner->RunNow();
allDone.Wait();
}
PTime b;
PInt64 c = b.GetTimestamp() - a.GetTimestamp();
PTimeInterval g = b-a;
cerr << "Number of SyncPoint operations is " << syncPointsSignalled << endl << endl;
cerr << "Elapsed time for "
<< size << " elements, done "
<< loops << "x is "
<< c << " micseconds" << endl << endl;
cerr << "Elapsed wall time for the test is " << g << " seconds" << endl << endl;
cerr << "Time per syncpoint is "
<< (c/(syncPointsSignalled * 1.00)) << " microseconds" << endl;
}
/////////////////////////////////////////////////////////////////////////////
Runner::Runner(SyncPoints & _app, Runner * _nextThread, PINDEX _id)
:PThread(1000, NoAutoDeleteThread),
app(_app),
nextThread(_nextThread),
id(_id)
{
Resume();
}
void Runner::Main()
{
for (;;) {
syncPoint.Wait();
// cerr << id << endl;
if (nextThread == NULL)
app.ListFinished();
else
nextThread->RunNow();
}
}
void Runner::RunNow()
{
syncPoint.Signal();
++app.syncPointsSignalled;
}
// End of File ///////////////////////////////////////////////////////////////
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