The problem: the choice of app version was based on
the "projected FLOPS" return by estimate_flops(av).
If usage stats exist for the host / app version,
this returns a number X such that
WU.rsc_fpops_est/X approximates the runtime of a job
using the given app version..
(If WU.rsc_fpops_est is way off, this will be correspondingly way off
from the actual FLOPS the app version will get.)
However, if there are no usage stats,
it return an estimate based on host hardware speed,
which might be 100X less.
Hence, in some cases a new app version would never get used.
Solution: choose app versions based on the values
returned by the app plan functions.
Use estimate_flops() AFTER choosing the version.
- scheduler: improve the accuracy of FLOPS estimation for GPU apps.
The "flops_scale" argument to coproc_perf
(which expresses the difference between peak GPU FLOPS
and actual FLOPS) should be used to scale GPU FLOPS
prior to calling coproc_perf(),
rather than scaling the estimate returned by coproc_perf().
- show_shmem: show have_X_apps flags
svn path=/trunk/boinc/; revision=24385
<boinc_data_dir>/projects/virtualbox so that the virtualbox configuration
can remain consistent across one or more projects.
samples/vboxwrapper/
vbox.cpp
svn path=/trunk/boinc/; revision=24380
for when the job completed successfully but
one or more output files had permanent upload failures.
Show this state in web interfaces.
- sample_work_generator: check return value of count_unsent_results(),
so that we don't generate infinite work if there's a DB problem
- web: RSS feed shows news items from last 90 days, rather than 14
svn path=/trunk/boinc/; revision=24377
the boundary between days is 00:00 in server local time.
This creates a spike of jobs being dispatched
(and files being downloaded) after that time.
Solution: distribute the boundary uniformly,
using a random number determined by the host ID.
(Make sure to save/restore the seed around this,
so we don't destroy the randomness of other things)
svn path=/trunk/boinc/; revision=24353
(from Crunch3r) has a multiplier of 2.5 for cores/processor.
This is possibly because give a double-precision estimate.
But actually we want single-precision. Change it to 5. See
http://golubev.com/about_cpu_and_gpu_2_en.htm
svn path=/trunk/boinc/; revision=24349
are detected by OpenCL but not by native APIs (CUDA/CAL).
This is limited by the fact that OpenCL doesn't give
us the necessary hardware info
(ATI; wavefrontSize; NVIDIA: compute capability).
We use the minimum values for these,
so in most cases we'll be underestimating the peak FLOPS.
svn path=/trunk/boinc/; revision=24346
to match those in the clGetDeviceInfo() calls.
Principles:
- if there's already a name for something, use it.
- follow case conventions
svn path=/trunk/boinc/; revision=24344
and one of them is down.
If several downloads from the broken one fail,
we go into "project-level backoff"
and don't start downloads from either server.
(Same applies to uploads).
Solution: make project-level backoff apply only to
transfers that have already failed at least once
svn path=/trunk/boinc/; revision=24339
This caused 128KB + size of stderr loss for each job.
- client: print error message if reading stderr fails
(e.g. because of malloc failure)
svn path=/trunk/boinc/; revision=24336
don't use name as a tiebreaker.
The will typically group jobs of the same application,
and (it is believed that) things run faster when
applications are mixed.
- scheduler: bug: if a client gets host-specific prefs
(e.g. from an account manager)
it will send only the working prefs to the scheduler.
The scheduler then always sends back the DB prefs,
overwriting the host-specific prefs.
Fix: note the mod time in the working prefs,
and only send the DB prefs if they're more recent.
svn path=/trunk/boinc/; revision=24332
on the primary display. Some of the issues being reported with the screensaver
is a left over ghost image of the OpenGL display before the graphics application
was terminated because keyboard/mouse activity was detected.
clientscr/
screensaver_win.cpp
win_build/
boinc_os_ss.vcproj
svn path=/trunk/boinc/; revision=24331
Charlie Fenton