Changeset: b83ae73ea82a for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=b83ae73ea82a
Modified Files:
monetdb5/mal/mal_profiler.c
Branch: holindex
Log Message:
Change function that calculates the idle resources (it is used in the most
important experiment).
diffs (83 lines):
diff --git a/monetdb5/mal/mal_profiler.c b/monetdb5/mal/mal_profiler.c
--- a/monetdb5/mal/mal_profiler.c
+++ b/monetdb5/mal/mal_profiler.c
@@ -1357,10 +1357,10 @@ void HeartbeatCPUload(void *arg)
float load;
int n=0; /*number of idle cores*/
double N=0; /*number of busy cores*/
- //FILE *ofp;
- //char *outputFilename1 =
"/scratch/petraki/experiments/motivation/time_workers/time.txt";
- //struct timeval t0,t1;
- //double elapsedTime;
+ FILE *ofp;
+ char *outputFilename1 =
"/scratch/petraki/experiments_sigmod_2014/vectorized_parallel_cracking_analysis/threads_vectorsize/columns_10/holistic/time.txt";
+ struct timeval t0,t1;
+ double elapsedTime;
void (*IdleFunc)(void *) = arg;
@@ -1372,35 +1372,49 @@ void HeartbeatCPUload(void *arg)
threshold = atoi(p);
max_threads=atoi(cores);
}
- /*ofp = fopen(outputFilename1,"a");
+ ofp = fopen(outputFilename1,"a");
if (ofp == NULL) {
- fprintf(stderr, "Can't open output file!\n");
+ fprintf(stderr, "Can't open output file time.txt!\n");
exit(1);
- }*/
+ }
if (max_threads > 0){
while(1){
(void) getCPULoad(cpuload);
load = corestat[256].load;
if ( load >= 0 && load <= 100.0 && load <= threshold){
- N = (int) (load * max_threads) / 100.0;
- n = max_threads - N;
- if(n>0)
- {
+ //N = (int) (load * max_threads) / 100.0;
+ //n = max_threads - N;
+ //if(n>0)
+ //{
//gettimeofday(&t0, NULL);
- MRschedule(n, NULL, IdleFunc);
+ //MRschedule(n, NULL, IdleFunc);
//gettimeofday(&t1, NULL);
//elapsedTime = (t1.tv_sec -
t0.tv_sec) * 1000.0; // sec to ms
//elapsedTime += (t1.tv_usec -
t0.tv_usec) / 1000.0;
//fprintf(ofp,"%lf
%d\n",elapsedTime,n);
- }
+ //}
/*following 5 lines: experiment
multicore_cracking*/
- //N = (int) (load * 32) / 100.0;
- //n = 32 - N;
- //if(n>0 && max_threads<n && max_threads-1>0)
- // MRschedule(max_threads-1, NULL,
IdleFunc);
- //else if (n>0 && max_threads>=n)
- // MRschedule(n, NULL, IdleFunc);
+ N = (int) (load * 32) / 100.0;
+ n = 32 - N;
+ if(n>0 && max_threads<n && max_threads-1>0)
+ {
+ gettimeofday(&t0, NULL);
+ MRschedule(max_threads-1, NULL,
IdleFunc);
+ gettimeofday(&t1, NULL);
+ elapsedTime = (t1.tv_sec - t0.tv_sec) *
1000.0; // sec to ms
+ elapsedTime += (t1.tv_usec -
t0.tv_usec) / 1000.0;
+ fprintf(ofp,"%lf
%d\n",elapsedTime,max_threads-1);
+ }
+ else if (n>0 && max_threads>=n)
+ {
+ gettimeofday(&t0, NULL);
+ MRschedule(n, NULL, IdleFunc);
+ gettimeofday(&t1, NULL);
+ elapsedTime = (t1.tv_sec - t0.tv_sec) *
1000.0; // sec to ms
+ elapsedTime += (t1.tv_usec -
t0.tv_usec) / 1000.0;
+ fprintf(ofp,"%lf %d\n",elapsedTime,n);
+ }
(void) getCPULoad(cpuload);
MT_sleep_ms(1000);
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