Investigate project application errors

[amereghe]

Some SixTrack result produced by BOINC volunteers end up in error state.

A brief statistics on current results in error state still in DB (~40k) show that:

# N, error ID, error message
 1444  194 (0x000000C2) EXIT_ABORTED_BY_CLIENT
 2201 -186 (0xFFFFFF46) ERR_RESULT_DOWNLOAD
 3064  196 (0x000000C4) EXIT_DISK_LIMIT_EXCEEDED
 4377 -185 (0xFFFFFF47) ERR_RESULT_START
 7449    0 (0x00000000)
 7732  200 (0x000000C8) EXIT_UNSTARTED_LATE
11767  203 (0x000000CB) EXIT_ABORTED_VIA_GUI

Error code 200 seems to be related to short tasks, biasing the stats of the hosts, such that the host is flooded with tasks which will never start in due time - reported by R.Haselgrove

Proposed mitigation actions:

• improve accuracy of rsc_fpops_est;
• improve algorithm in validator to flag outliers;

[amereghe]

Proposed changes in validator (just conditional statement):

from:

fracturn = turnx/(mturn*n*2.0);
outlier = 0;
if(fracturn <= 0.1) {
r1.runtime_outlier = 1;
// r2.runtime_outlier = 1; // const
outlier = 1;
}

to

fracturn = turnx/(mturn*n*2.0);
outlier = 0;
if(fracturn < 1.0) {
r1.runtime_outlier = 1;
// r2.runtime_outlier = 1; // const
outlier = 1;
}

[amereghe]

SNOW ticket