2008-08-06 18:36:30 +00:00
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// This file is part of BOINC.
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2005-01-20 23:22:22 +00:00
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// http://boinc.berkeley.edu
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2008-08-06 18:36:30 +00:00
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// Copyright (C) 2008 University of California
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2005-01-20 23:22:22 +00:00
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//
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2008-08-06 18:36:30 +00:00
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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2005-01-20 23:22:22 +00:00
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//
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2008-08-06 18:36:30 +00:00
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// BOINC is distributed in the hope that it will be useful,
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2005-01-20 23:22:22 +00:00
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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2008-08-06 18:36:30 +00:00
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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2005-01-20 23:22:22 +00:00
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2009-06-01 22:15:14 +00:00
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#ifndef _SCHED_SEND_
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#define _SCHED_SEND_
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2008-08-04 18:48:26 +00:00
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#include <string.h>
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2009-06-01 22:15:14 +00:00
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#include "boinc_db.h"
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2009-08-10 04:56:46 +00:00
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#include "sched_types.h"
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2009-06-01 22:15:14 +00:00
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2008-12-16 16:29:54 +00:00
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extern void send_work();
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2004-09-10 00:41:48 +00:00
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extern int add_result_to_reply(
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2009-03-03 16:38:54 +00:00
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DB_RESULT& result, WORKUNIT& wu, BEST_APP_VERSION* bavp,
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bool locality_scheduling
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2004-09-10 00:41:48 +00:00
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);
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2010-07-23 17:43:20 +00:00
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inline bool is_anonymous(PLATFORM* platform) {
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2008-08-04 18:48:26 +00:00
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return (!strcmp(platform->name, "anonymous"));
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}
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2004-09-10 00:41:48 +00:00
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extern bool app_core_compatible(WORK_REQ& wreq, APP_VERSION& av);
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2005-02-02 22:58:46 +00:00
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2007-05-30 17:25:51 +00:00
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// values returned by wu_is_infeasible()
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2005-04-18 17:54:03 +00:00
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//
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2009-07-29 18:34:27 +00:00
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#define INFEASIBLE_MEM 1
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#define INFEASIBLE_DISK 2
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#define INFEASIBLE_CPU 3
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#define INFEASIBLE_WORK_BUF 4
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#define INFEASIBLE_APP_SETTING 5
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#define INFEASIBLE_WORKLOAD 6
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#define INFEASIBLE_DUP 7
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#define INFEASIBLE_HR 8
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#define INFEASIBLE_BANDWIDTH 9
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#define INFEASIBLE_CUSTOM 10
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2005-04-18 17:54:03 +00:00
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2009-08-31 19:35:46 +00:00
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extern int wu_is_infeasible_fast(
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WORKUNIT&,
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int res_server_state, int res_priority, double res_report_deadline,
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APP&, BEST_APP_VERSION&
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);
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2006-10-22 00:42:44 +00:00
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2008-12-16 16:29:54 +00:00
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extern double max_allowable_disk();
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2005-08-04 03:50:04 +00:00
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2008-12-19 18:14:02 +00:00
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extern bool wu_already_in_reply(WORKUNIT& wu);
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2005-08-04 03:50:04 +00:00
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2008-12-15 21:14:32 +00:00
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extern double estimate_duration(WORKUNIT& wu, BEST_APP_VERSION&);
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2005-08-04 03:50:04 +00:00
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extern int update_wu_transition_time(WORKUNIT wu, time_t x);
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2005-08-04 03:58:00 +00:00
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extern void lock_sema();
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extern void unlock_sema();
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2007-11-30 23:02:55 +00:00
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extern const char* infeasible_string(int);
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2008-12-16 16:29:54 +00:00
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extern bool app_not_selected(WORKUNIT&);
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2008-12-19 18:14:02 +00:00
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extern bool work_needed(bool);
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2009-03-05 23:08:53 +00:00
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extern void send_work_setup();
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2009-06-01 22:15:14 +00:00
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extern int effective_ncpus();
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extern int preferred_app_message_index;
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2010-06-25 22:00:09 +00:00
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extern void update_n_jobs_today();
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- server: change the following from per-host to per-(host, app version):
- daily quota mechanism
- reliable mechanism (accelerated retries)
- "trusted" mechanism (adaptive replication)
- scheduler: enforce host scale probation only for apps with
host_scale_check set.
- validator: do scale probation on invalid results
(need this in addition to error and timeout cases)
- feeder: update app version scales every 10 min, not 10 sec
- back-end apps: support --foo as well as -foo for options
Notes:
- If you have, say, cuda, cuda23 and cuda_fermi plan classes,
a host will have separate quotas for each one.
That means it could error out on 100 jobs for cuda_fermi,
and when its quota goes to zero,
error out on 100 jobs for cuda23, etc.
This is intentional; there may be cases where one version
works but not the others.
- host.error_rate and host.max_results_day are deprecated
TODO:
- the values in the app table for limits on jobs in progress etc.
should override rather than config.xml.
Implementation notes:
scheduler:
process_request():
read all host_app_versions for host at start;
Compute "reliable" and "trusted" for each one.
write modified records at end
get_app_version():
add "reliable_only" arg; if set, use only reliable versions
skip over-quota versions
Multi-pass scheduling: if have at least one reliable version,
do a pass for jobs that need reliable,
and use only reliable versions.
Then clear best_app_versions cache.
Score-based scheduling: for need-reliable jobs,
it will pick the fastest version,
then give a score bonus if that version happens to be reliable.
When get back a successful result from client:
increase daily quota
When get back an error result from client:
impose scale probation
decrease daily quota if not aborted
Validator:
when handling a WU, create a vector of HOST_APP_VERSION
parallel to vector of RESULT.
Pass it to assign_credit_set().
Make copies of originals so we can update only modified ones
update HOST_APP_VERSION error rates
Transitioner:
decrease quota on timeout
svn path=/trunk/boinc/; revision=21181
2010-04-15 03:13:56 +00:00
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2009-06-01 22:15:14 +00:00
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#endif
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