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Ichthyostega 1316ee2c7f Scheduler-test: adjust contention mitigation as result of testing 
Investigate the behaviour over a wider range of job loads,
job count and worker pool sizes. Seemingly the processing
can not fully utilise the available worker pool capacity.

By inspection of trace-dumps, one impeding mechanism could
be identified: the »stickiness« of the contention mitigation.
Whenever a worker encounters repeated contention, it steps up
and adds more and more wait cycles to remove pressure from the
schedule coordination. As such this is fine and prevents further
degradation of performance by repeated atomic synchronisation.
However, this throttling was kept up needlessly after further
successful work-pulls. Since job times of several milliseconds
can be expected on average in media processing, such a long
retention would spread a performance degradation over a duration
of several frames. Thus, the scheme for step-down was changed
to decrease the throttling by a power series rather than just
documenting the level.
2024-04-12 02:23:31 +02:00
..
basics Library: uniform definition scheme for error-IDs 2024-03-21 19:57:34 +01:00
core Library: uniform definition scheme for error-IDs 2024-03-21 19:57:34 +01:00
include MERGE Doxygen clean-up done during the last months 2017-04-01 23:59:00 +02:00
library Scheduler-test: settle definition of specific test setup and data 2024-04-08 03:58:15 +02:00
operation Doxygen: magically insert a reference to the test class 2017-02-22 03:17:18 +01:00
plugin Fix notorious warning 2017-04-01 23:59:37 +02:00
stage Library: uniform definition scheme for error-IDs 2024-03-21 19:57:34 +01:00
tool Commands: some unit test coverage for unbinding arguments 2017-04-16 19:38:56 +02:00
vault Scheduler-test: adjust contention mitigation as result of testing 2024-04-12 02:23:31 +02:00
00helloworld.tests link tests with stringent application scope dependencies (closes #938) 2014-10-17 21:15:59 +02:00
00support.tests Library: complete and verify temp-dir helper 2024-03-13 02:50:13 +01:00
00test.tests
10errorhandling.tests
10exception.tests Library: discontinue setting error flag from Exceptions (see #1341) 2023-10-01 20:11:45 +02:00
11concurrency.tests LibraryApplication: tie DispatcherLoop to thread lifecycle 2023-10-12 20:23:59 +02:00
11list.tests reorganise test suite compartments 2014-10-17 20:02:25 +02:00
11locking.tests Library/Application: complete technology switch (closes #1279) 2023-10-16 01:44:04 +02:00
11luid.tests reorganise test suite compartments 2014-10-17 20:02:25 +02:00
11safeclib.tests reorganise test suite compartments 2014-10-17 20:02:25 +02:00
11time.tests test-suite: fix lots of missing return value checks 2016-01-28 22:30:24 +01:00
11vault-memory.tests Block-Flow: completed implementation of low-level cyclic extent storage 2023-07-12 21:55:50 +02:00
12metaprogramming.tests Library: test coverage for self-managed thread 2023-10-11 21:06:56 +02:00
15library.tests Library: customisation of the generated Gnuplot diagram 2024-04-03 19:31:00 +02:00
16calculation.tests Library: complete coverage of CSV data table including storage 2024-03-15 02:45:45 +01:00
20config_lowlevel.tests clean-up: sourcefile layout and spell checking 2014-10-23 23:04:35 +02:00
20threads.tests
22config_highlevel.tests
25fundamental.tests Library: prepare switch of Thread-wrapper to C++17 2023-09-21 23:23:55 +02:00
30backend-file.tests
30interfaces.tests
31plugin.tests integrate priority queue: lumiera namespace prefix; unit test pass 2013-09-13 05:44:58 +02:00
32scheduler.tests Scheduler-test: Integration-test now running smoothly 2023-12-18 23:34:10 +01:00
40core.tests Global-Layer-Renaming: adapt lots of documentation 2018-11-15 21:13:52 +01:00
41asset.tests Assets: investigating the unclear distinction between asset::Struct and asset::Meta (#1156) 2018-09-14 21:06:12 +02:00
42query.tests Global-Layer-Renaming: adapt lots of documentation 2018-11-15 21:13:52 +01:00
43session.tests Dispatcher-Pipeline: prepare test for the new NodeGraphAttachment 2023-06-07 04:03:00 +02:00
44controller.tests Dispatcher-Pipeline: prepare test for the new NodeGraphAttachment 2023-06-07 04:03:00 +02:00
45builder.tests Dispatcher-Pipeline: prepare test for the new NodeGraphAttachment 2023-06-07 04:03:00 +02:00
46fixture.tests Dispatcher-Pipeline: create hook for self-validation 2023-06-12 01:18:59 +02:00
46node.tests Dispatcher-Pipeline: prepare test for the new NodeGraphAttachment 2023-06-07 04:03:00 +02:00
47engine.tests bye bye Monad (closes #1276) 2023-06-22 20:23:55 +02:00
48playout.tests Dispatcher-Pipeline: prepare test for the new NodeGraphAttachment 2023-06-07 04:03:00 +02:00
49core-integration.tests Dispatcher-Pipeline: prepare test for the new NodeGraphAttachment 2023-06-07 04:03:00 +02:00
51-gui-model.tests Segmentation: structure analysis for splitSplice operation 2023-05-02 04:29:34 +02:00
52-gui-control.tests Global-Layer-Renaming: fix remaining textual usages and IDs in the code 2018-12-10 00:09:56 +01:00
80-regression.tests test-suite: fix lots of missing return value checks 2016-01-28 22:30:24 +01:00
DIR_INFO
SConscript Global-Layer-Renaming: fix remaining textual usages and IDs in the code 2018-12-10 00:09:56 +01:00
test.conf Testsuite: increase virtual memory limit 2023-10-04 22:42:37 +02:00
test.sh test.sh - reorganise how limits are set 2015-08-16 01:17:39 +02:00
testrunner.cpp Doxygen: supply missing file level comments for test support helpers 2017-02-22 01:58:49 +01:00