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- scheduler: finished support for job size matching. 

Let x be the host speed (expressed in stdevs from mean)
    Let y be the job size (expressed in stdevs from mean)
    Decrement score by (x-y)^2

svn path=/trunk/boinc/; revision=15137
This commit is contained in:
David Anderson 2008-05-06 20:09:07 +00:00
parent 05f703559f
commit 418cce805c
2 changed files with 29 additions and 10 deletions
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9
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@ -3649,3 +3649,12 @@ David May 6 2008
single_job_assimilator.C
validate_util2.h
validator.h
David May 6 2008
- scheduler: finished support for job size matching.
Let x be the host speed (expressed in stdevs from mean)
Let y be the job size (expressed in stdevs from mean)
Decrement score by (x-y)^2
sched/
sched_send.C

30
sched/sched_send.C
View File

@ -1343,7 +1343,7 @@ struct JOB{
APP* app;
BEST_APP_VERSION* bavp;
void get_score(SCHEDULER_REQUEST&, SCHEDULER_REPLY&);
bool get_score(SCHEDULER_REQUEST&, SCHEDULER_REPLY&);
};
struct JOB_SET {
@ -1386,9 +1386,9 @@ int read_sendable_result(DB_RESULT& result) {
}
// compute a "score" for sending this job to this host.
// return score=0 if the WU is infeasible
// return false if the WU is infeasible
//
void JOB::get_score(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
bool JOB::get_score(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
bool found;
WORKUNIT wu;
int retval;
@ -1402,7 +1402,7 @@ void JOB::get_score(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
// Find the app_version for the client's platform.
//
bavp = get_app_version(sreq, reply, wu);
if (!bavp) return;
if (!bavp) return false;
retval = wu_is_infeasible_fast(wu, sreq, reply, *app);
if (retval) {
@ -1412,7 +1412,7 @@ void JOB::get_score(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
reply.host.id, wu.id, wu.name, infeasible_string(retval)
);
}
return;
return false;
}
score = 1;
@ -1422,8 +1422,7 @@ void JOB::get_score(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
if (!reply.wreq.host_info.allow_beta_work || config.distinct_beta_apps) {
if (app_not_selected(wu, sreq, reply)) {
if (!reply.wreq.host_info.allow_non_preferred_apps) {
score = 0;
return;
return false;
}
} else {
if (reply.wreq.host_info.allow_non_preferred_apps) {
@ -1438,8 +1437,7 @@ void JOB::get_score(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
if (reply.wreq.host_info.allow_beta_work) {
score += 1;
} else {
score = 0;
return;
return false;
}
}
@ -1460,9 +1458,19 @@ void JOB::get_score(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
//
score += bavp->host_usage.flops/1e9;
// match large jobs to fast hosts
//
if (config.job_size_matching) {
double host_stdev = (reply.host.p_fpops - ssp->perf_info.host_fpops_mean)/ ssp->perf_info.host_fpops_stdev;
double diff = host_stdev - wu_result.fpops_size;
score -= diff*diff;
}
// TODO: If user has selected some apps but will accept jobs from others,
// try to send them jobs from the selected apps
//
return true;
}
bool wu_is_infeasible_slow(
@ -1649,7 +1657,9 @@ void send_work_matchmaker(SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply) {
JOB job;
job.index = i;
job.get_score(sreq, reply);
if (!job.get_score(sreq, reply)) {
continue;
}
if (config.debug_send) {
log_messages.printf(MSG_DEBUG,
"score for %s: %f\n", wu_result.workunit.name, job.score