static double runtest()
{
unsigned int seed=1;
int n, i;
double opspersec=0;
THREADVAR threads[THREADS];
for(n=0; n<THREADS; n++)
{
unsigned int *toallocptr;
int m;
threadstuff[n].ops=0;
times[n]=0;
threadstuff[n].toalloc=toallocptr=calloc(RECORDS, sizeof(unsigned int));
threadstuff[n].allocs=calloc(RECORDS, sizeof(void *));
for(m=0; m<RECORDS; m++)
{
unsigned int size=myrandom(&seed);
if(size<(1<<30))
{ /* Make it two power multiple of less than 512 bytes to
model frequent C++ new's */
size=4<<(size & 7);
}
else
{
size&=0x3FFF; /* < 16Kb */
/*size&=0x1FFF;*/ /* < 8Kb */
/*size=(1<<6)<<(size & 7);*/ /* < 8Kb */
}
*toallocptr++=size;
}
}
#ifdef TORTURETEST
for(n=0; n<THREADS; n++)
{
THREADINIT(&threads[n], n);
}
for(i=0; i<32; i++)
{
int found=-1;
do
{
for(n=0; n<THREADS; n++)
{
THREADSLEEP(100);
if(threadstuff[n].done)
{
found=n;
break;
}
}
} while(found<0);
THREADWAIT(threads[found]);
threads[found]=0;
THREADINIT(&threads[found], found);
printf("Relaunched thread %d\n", found);
}
for(n=THREADS-1; n>=0; n--)
{
THREADWAIT(threads[n]);
threads[n]=0;
}
#else
#if 1
for(n=0; n<THREADS; n++)
{
THREADINIT(&threads[n], n);
}
for(n=THREADS-1; n>=0; n--)
{
THREADWAIT(threads[n]);
threads[n]=0;
}
#else
/* Quick realloc() test */
doRealloc=1;
for(n=0; n<THREADS; n++)
{
THREADINIT(&threads[n], n);
}
for(n=THREADS-1; n>=0; n--)
{
THREADWAIT(threads[n]);
threads[n]=0;
}
#endif
#endif
{
usCount totaltime=0;
int totalops=0;
for(n=0; n<THREADS; n++)
{
totaltime+=times[n];
totalops+=threadstuff[n].ops;
}
opspersec=1000000000000.0*totalops/totaltime*THREADS;
printf("This allocator achieves %lfops/sec under %d threads\n", opspersec, THREADS);
}
for(n=THREADS-1; n>=0; n--)
{
free(threadstuff[n].allocs); threadstuff[n].allocs=0;
free(threadstuff[n].toalloc); threadstuff[n].toalloc=0;
}
return opspersec;
}
static double runtest()
{
unsigned int seed=1;
int n, i;
double opspersec=0;
THREADVAR threads[THREADS];
for(n=0; n<THREADS; n++)
{
unsigned int *toallocptr;
int m;
memset(&threadstuff[n].ops, 0, sizeof(threadstuff[n].ops));
times[n]=0;
threadstuff[n].toalloc=toallocptr=calloc(RECORDS, sizeof(unsigned int));
threadstuff[n].allocs=calloc(RECORDS, sizeof(void *));
for(m=0; m<RECORDS; m++)
{
unsigned int size=myrandom(&seed);
#if TESTCPLUSPLUS
if(size&(1<<31))
{ /* Make it two power multiple of less than 512 bytes to
model frequent C++ new's */
size=4<<(size & 7);
}
else
#endif
{
size&=BLOCKSIZE-1;
}
*toallocptr++=size;
}
}
#if 2==TESTTYPE
for(n=0; n<THREADS; n++)
{
THREADINIT(&threads[n], n);
}
for(i=0; i<8; i++)
{
int found=-1;
do
{
for(n=0; n<THREADS; n++)
{
THREADSLEEP(100);
if(threadstuff[n].done)
{
found=n;
break;
}
}
} while(found<0);
THREADWAIT(threads[found]);
threads[found]=0;
#if DEBUG
{
usCount totaltime=0;
int totalops=0, totalmallocs=0, totalreallocs=0;
for(n=0; n<THREADS; n++)
{
totaltime+=times[n];
totalmallocs+=threadstuff[n].ops.mallocs;
totalreallocs+=threadstuff[n].ops.reallocs;
totalops+=threadstuff[n].ops.mallocs+threadstuff[n].ops.reallocs;
}
opspersec=1000000000000.0*totalops/totaltime*THREADS;
printf("This test spent %f%% of its time doing reallocs\n", 100.0*totalreallocs/totalops);
printf("This allocator achieves %lfops/sec under %d threads\n\n", opspersec, THREADS);
}
#endif
THREADINIT(&threads[found], found);
printf("Relaunched thread %d\n", found);
}
for(n=THREADS-1; n>=0; n--)
{
THREADWAIT(threads[n]);
threads[n]=0;
}
#else
#if 1
for(n=0; n<THREADS; n++)
{
THREADINIT(&threads[n], n);
}
for(n=THREADS-1; n>=0; n--)
{
THREADWAIT(threads[n]);
threads[n]=0;
}
#else
/* Quick realloc() test */
doRealloc=1;
for(n=0; n<THREADS; n++)
{
THREADINIT(&threads[n], n);
}
for(n=THREADS-1; n>=0; n--)
{
THREADWAIT(threads[n]);
threads[n]=0;
}
#endif
#endif
{
usCount totaltime=0;
int totalops=0, totalmallocs=0, totalreallocs=0;
for(n=0; n<THREADS; n++)
{
totaltime+=times[n];
totalmallocs+=threadstuff[n].ops.mallocs;
totalreallocs+=threadstuff[n].ops.reallocs;
totalops+=threadstuff[n].ops.mallocs+threadstuff[n].ops.reallocs;
}
opspersec=1000000000000.0*totalops/totaltime*THREADS;
printf("This test spent %f%% of its time doing reallocs\n", 100.0*totalreallocs/totalops);
printf("This allocator achieves %lfops/sec under %d threads\n", opspersec, THREADS);
}
for(n=THREADS-1; n>=0; n--)
{
free(threadstuff[n].allocs); threadstuff[n].allocs=0;
free(threadstuff[n].toalloc); threadstuff[n].toalloc=0;
}
return opspersec;
}