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mazdermazder
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Improvement of class-object distribution
1 parent 3d5f8d0 commit a488587

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+194
-18
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1 file changed

+194
-18
lines changed

‎Utils/Simulator.cpp

+194-18
Original file line numberDiff line numberDiff line change
@@ -338,6 +338,9 @@ int Simulator::runTraceFileGenerator(int simulationSteps){
338338

339339
bool Simulator::allocationRandomObjectAARD(int thread){
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341+
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int percentageDone = (stepsToGo-currentStep)/(float)stepsToGo*100;
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341344
int outGoingRefsMax = (rand() % MAX_POINTERS) + 1;
342345
int primitiveField = (rand() % MAX_PRIMITIVES) +1;
343346
int rootsetSize = memManager->getRootsetSize(thread);
@@ -346,35 +349,208 @@ bool Simulator::allocationRandomObjectAARD(int thread){
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348351
int clsIndex;
349-
double weight = maxWeight*( 1.0*rand()/RAND_MAX);
350-
//double wieght = 40*( pow(.5, rnd) );
351-
clsIndex = (int)( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
352-
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
353-
clsObj = memManager->getClassObject(clsIndex);
354352
int cnt = 0;
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354+
// it is good
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/*
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if(percentageDone<50){
356357
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double weight = maxWeight*( 1.0*rand()/RAND_MAX);
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//double wieght = 40*( pow(.5, rnd) );
360+
clsIndex = (int)( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
361+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
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clsObj = memManager->getClassObject(clsIndex);
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}
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else{
357366
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double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
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//double wieght = 40*( pow(.5, rnd) );
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clsIndex = (int)( weight*slop ); // 40, 20, 10,
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//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
371+
clsObj = memManager->getClassObject(clsIndex);
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}
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*/
359375
/*
376+
It is also good
360377
361-
//3.0
362-
// select an entry from class table;
363-
int clsIndex = rand()%NUM_CLAZZ;
364-
ClassObject* clsObj = memManager->getClassObject(clsIndex);
365-
// select class which has been acceessed (hit) less
366-
int cnt = 0;
367-
while(clsObj->getAccessCount()>MAXCACCESS){
368-
cnt++;
369-
clsIndex = rand()%NUM_CLAZZ;
378+
char a;
379+
380+
if(percentageDone<50){
381+
382+
double weight = maxWeight*( 1.0*rand()/RAND_MAX);
383+
//double wieght = 40*( pow(.5, rnd) );
384+
clsIndex = (int)( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
385+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
386+
clsObj = memManager->getClassObject(clsIndex);
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}
389+
else if ( (percentageDone>=50) && (percentageDone<70) ){
390+
//printf("50 done %d \n", percentageDone);
391+
//scanf("%c", &a);
392+
393+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
394+
//double wieght = 40*( pow(.5, rnd) );
395+
clsIndex = (int)( weight*slop ); // 40, 20, 10,
396+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
397+
clsObj = memManager->getClassObject(clsIndex);
398+
}
399+
else if ( (percentageDone>=70) && (percentageDone<95) ) {
400+
//printf("70 done %d \n", percentageDone);
401+
//scanf("%c", &a);
402+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
403+
//double wieght = 40*( pow(.5, rnd) );
404+
clsIndex = (int)( weight* (slop+.1) ); // 40, 20, 10,
405+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
406+
clsObj = memManager->getClassObject(clsIndex);
407+
}
408+
else{
409+
//printf("90 done %d \n", percentageDone);
410+
//scanf("%c", &a);
411+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
412+
//double wieght = 40*( pow(.5, rnd) );
413+
clsIndex = (int) (weight) ;//( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
414+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
370415
clsObj = memManager->getClassObject(clsIndex);
371-
if(cnt == 30){
372-
break;
373-
}
374416
}
375417
376-
*/
418+
*/
419+
420+
/*
421+
This is very good
422+
423+
char a;
424+
425+
if(percentageDone<50){
426+
427+
double weight = maxWeight*( 1.0*rand()/RAND_MAX);
428+
//double wieght = 40*( pow(.5, rnd) );
429+
clsIndex = (int)( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
430+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
431+
clsObj = memManager->getClassObject(clsIndex);
432+
433+
}
434+
else if ( (percentageDone>=50) && (percentageDone<70) ){
435+
//printf("50 done %d \n", percentageDone);
436+
//scanf("%c", &a);
437+
438+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
439+
//double wieght = 40*( pow(.5, rnd) );
440+
clsIndex = (int)( weight*slop ); // 40, 20, 10,
441+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
442+
clsObj = memManager->getClassObject(clsIndex);
443+
}
444+
else if ( (percentageDone>=70) && (percentageDone<95) ) {
445+
//printf("70 done %d \n", percentageDone);
446+
//scanf("%c", &a);
447+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
448+
//double wieght = 40*( pow(.5, rnd) );
449+
clsIndex = (int)( weight* (slop-.1) ); // 40, 20, 10,
450+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
451+
clsObj = memManager->getClassObject(clsIndex);
452+
}
453+
else{
454+
//printf("90 done %d \n", percentageDone);
455+
//scanf("%c", &a);
456+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
457+
//double wieght = 40*( pow(.5, rnd) );
458+
clsIndex = (int) (weight) ;//( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
459+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
460+
clsObj = memManager->getClassObject(clsIndex);
461+
}
462+
*/
463+
464+
// This is for choice of calss in object creation
465+
// An expenontially decreasing function is used at
466+
// the begining.
467+
/* This need to be clean up if necessary */
468+
469+
if(percentageDone<40){
470+
471+
double weight = maxWeight*( 1.0*rand()/RAND_MAX);
472+
//double wieght = 40*( pow(.5, rnd) );
473+
clsIndex = (int)( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
474+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
475+
clsObj = memManager->getClassObject(clsIndex);
476+
477+
}
478+
else if ( (percentageDone>=40) && (percentageDone<50) ){
479+
//printf("50 done %d \n", percentageDone);
480+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
481+
//double wieght = 40*( pow(.5, rnd) );
482+
clsIndex = (int)( weight*slop ); // 40, 20, 10,
483+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
484+
clsObj = memManager->getClassObject(clsIndex);
485+
}
486+
else if ( (percentageDone>=50) && (percentageDone<60) ){
487+
//printf("50 done %d \n", percentageDone);
488+
489+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
490+
//double wieght = 40*( pow(.5, rnd) );
491+
clsIndex = (int)( weight* (slop+.1) ); // 40, 20, 10,
492+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
493+
clsObj = memManager->getClassObject(clsIndex);
494+
}
495+
496+
else if ( (percentageDone>=60) && (percentageDone<70) ) {
497+
//printf("70 done %d \n", percentageDone);
498+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
499+
//double wieght = 40*( pow(.5, rnd) );
500+
clsIndex = (int)( weight* (slop -.2) ); // 40, 20, 10,
501+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
502+
clsObj = memManager->getClassObject(clsIndex);
503+
}
504+
505+
else if ( (percentageDone>=70) && (percentageDone<80) ) {
506+
//printf("70 done %d \n", percentageDone);
507+
508+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
509+
//double wieght = 40*( pow(.5, rnd) );
510+
clsIndex = (int)( weight* (slop-.1) ); // 40, 20, 10,
511+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
512+
clsObj = memManager->getClassObject(clsIndex);
513+
}
514+
else if ( (percentageDone>=80) && (percentageDone<98) ) {
515+
//printf("70 done %d \n", percentageDone);
516+
517+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
518+
//double wieght = 40*( pow(.5, rnd) );
519+
clsIndex = (int)( weight* (slop-.4) ); // 40, 20, 10,
520+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
521+
clsObj = memManager->getClassObject(clsIndex);
522+
}
523+
524+
else{
525+
//printf("90 done %d \n", percentageDone);
526+
527+
double weight = NUM_CLAZZ*( 1.0*rand()/RAND_MAX);
528+
//double wieght = 40*( pow(.5, rnd) );
529+
clsIndex = (int) (weight) * (slop +.3) ;//( logb(weight)-logb(constantValue) -1 )/(logb(slop)); // 40, 20, 10,
530+
//printf("W:: %.10lf Index::%d\n", weight, clsIndex);
531+
clsObj = memManager->getClassObject(clsIndex);
532+
}
533+
534+
535+
/*
536+
else{
537+
538+
//3.0
539+
// select an entry from class table;
540+
clsIndex = rand()%NUM_CLAZZ;
541+
clsObj = memManager->getClassObject(clsIndex);
542+
// select class which has been acceessed (hit) less
543+
//int cnt = 0;
544+
while(clsObj->getAccessCount()>MAXCACCESS){
545+
cnt++;
546+
clsIndex = rand()%NUM_CLAZZ;
547+
clsObj = memManager->getClassObject(clsIndex);
548+
if(cnt == 30){
549+
break;
550+
}
551+
}
377552
553+
}*/
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379555

380556
clsObj->increaseAccess();

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