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- client: if a project has a no_{cpu,cuda,ati} pref set, 

don't accumulate debt for that resource.
    Otherwise we'll accumulate debt forever,
    pushing other projects into overworked state.

svn path=/trunk/boinc/; revision=19547
This commit is contained in:
David Anderson 2009-11-12 17:19:50 +00:00
parent cadcc8c378
commit 56efa3ec27
2 changed files with 25 additions and 4 deletions
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9
checkin_notes
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@ -9116,3 +9116,12 @@ David 11 Nov 2009
- tweaks to new credit simulator (from Kevin Reed) - tweaks to new credit simulator (from Kevin Reed)
sched/ sched/
credit_test.cpp credit_test.cpp
David 12 Nov 2009
- client: if a project has a no_{cpu,cuda,ati} pref set,
don't accumulate debt for that resource.
Otherwise we'll accumulate debt forever,
pushing other projects into overworked state.
client/
work_fetch.cpp

20
client/work_fetch.cpp
View File

@ -62,15 +62,20 @@ RSC_PROJECT_WORK_FETCH& RSC_WORK_FETCH::project_state(PROJECT* p) {
} }
} }
bool RSC_WORK_FETCH::may_have_work(PROJECT* p) { inline bool prefs_prevent_fetch(PROJECT* p, int rsc_type) {
switch(rsc_type) { switch(rsc_type) {
case RSC_TYPE_CPU: case RSC_TYPE_CPU:
if (p->no_cpu_pref) return false; if (p->no_cpu_pref) return true;
case RSC_TYPE_CUDA: case RSC_TYPE_CUDA:
if (p->no_cuda_pref) return false; if (p->no_cuda_pref) return true;
case RSC_TYPE_ATI: case RSC_TYPE_ATI:
if (p->no_ati_pref) return false; if (p->no_ati_pref) return true;
} }
return false;
}
bool RSC_WORK_FETCH::may_have_work(PROJECT* p) {
if (prefs_prevent_fetch(p, rsc_type)) return false;
RSC_PROJECT_WORK_FETCH& w = project_state(p); RSC_PROJECT_WORK_FETCH& w = project_state(p);
return (w.backoff_time < gstate.now); return (w.backoff_time < gstate.now);
} }
@ -745,6 +750,13 @@ bool RSC_PROJECT_WORK_FETCH::debt_eligible(PROJECT* p, RSC_WORK_FETCH& rwf) {
if (p->dont_request_more_work) return false; if (p->dont_request_more_work) return false;
if (has_runnable_jobs) return true; if (has_runnable_jobs) return true;
if (backoff_time > gstate.now) return false; if (backoff_time > gstate.now) return false;
if (prefs_prevent_fetch(p, rwf.rsc_type)) return false;
// NOTE: it's critical that all conditions that might prevent
// us from asking the project for work of this type
// be included in the above list.
// Otherwise we might get in a state where debt accumulates,
// pushing other projects into overworked state
// The last time we asked for work we didn't get any, // The last time we asked for work we didn't get any,
// but it's been a while since we asked. // but it's been a while since we asked.