MantisBT - Open CASCADE
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0023795Open CASCADE[OCCT] OCCT:Meshpublic2013-02-25 12:002019-01-09 17:46
vro 
bugmaster 
normalminor 
verifiedfixed 
WindowsVC++ 201032 bit
[OCCT] 6.5.2 
[OCCT] 7.4.0* 
perf\mesh\bug23795
0023795: Performance regression of meshing
Load an attached shape.
Mesh it with deflection 0.1.
For Open CASCADE 6.5.0 it takes 0.5 seconds.
For Open CASCADE 6.5.4 it takes about 3 minutes.
restore s.brep s
mesh ss s 0.1
No tags attached.
related to 0026106verified bugmaster Open CASCADE BRepMesh - revision of data model 
? s.brep (188,886) 2013-02-25 12:00
https://tracker.dev.opencascade.org/
Issue History
2013-02-25 12:00vroNew Issue
2013-02-25 12:00vroAssigned To => oan
2013-02-25 12:00vroFile Added: s.brep
2013-03-04 11:13bugmasterProjectHOMAG => Open CASCADE
2013-03-05 08:45kgvRelationship addedrelated to 0023513
2013-03-05 08:57kgvProduct Version6.5.4 => 6.5.2
2013-03-05 08:57kgvSummaryPreformance regression of meshing => Performance regression of meshing
2013-06-25 16:16oanNote Added: 0024860
2013-06-25 16:16oanRelationship deletedrelated to 0023513
2013-06-25 16:16oanRelationship addedchild of 0022313
2013-06-25 16:17oanAssigned Tooan => pdn
2013-06-25 16:17oanStatusnew => resolved
2013-10-16 12:21pdnNote Added: 0026100
2013-10-16 12:21pdnStatusresolved => assigned
2013-10-16 12:21pdnAssigned Topdn => oan
2016-11-01 14:10oanRelationship addedrelated to 0026106
2018-11-02 15:29nbvNote Added: 0080633
2018-11-02 15:29nbvAssigned Tooan => bugmaster
2018-11-02 15:29nbvStatusassigned => feedback
2018-11-07 15:47gitNote Added: 0080831
2018-11-07 17:21gitNote Added: 0080865
2018-11-07 17:25gitNote Added: 0080869
2018-11-07 17:55gitNote Added: 0080882
2018-11-07 17:57gitNote Added: 0080883
2018-11-07 18:17nbvNote Added: 0080900
2018-11-07 18:17nbvAssigned Tobugmaster => msv
2018-11-07 18:17nbvStatusfeedback => resolved
2018-11-08 12:28msvNote Added: 0080933
2018-11-08 12:28msvAssigned Tomsv => nbv
2018-11-08 12:28msvStatusresolved => assigned
2018-11-08 13:49gitNote Added: 0080947
2018-11-08 13:58nbvNote Added: 0080948
2018-11-08 13:58nbvStatusassigned => resolved
2018-11-08 13:58gitNote Added: 0080949
2018-11-08 18:13msvNote Added: 0080983
2018-11-08 18:13msvAssigned Tonbv => bugmaster
2018-11-08 18:13msvStatusresolved => reviewed
2018-11-09 15:06bugmasterTest case number => perf\mesh\bug23795
2018-11-09 15:06bugmasterStatusreviewed => tested
2018-11-11 11:52bugmasterChangeset attached => occt master 70bc8e4a
2018-11-11 11:52bugmasterStatustested => verified
2018-11-11 11:52bugmasterResolutionopen => fixed
2018-11-11 12:00gitNote Added: 0081027
2019-01-09 17:46bugmasterTarget VersionUnscheduled => 7.4.0*

Notes
(0024860)
oan   
2013-06-25 16:16   
Described behavior is introduced by fix for #22313. It performs splitting for all kinds of curves include primitive ones.

Dear Pavel,
please review the fix at branch CR23795.
(0026100)
pdn   
2013-10-16 12:21   
It looks that proposed solution is not OK.

It is recommended to check 2D and 3D deviations of edge instead of restriction of algo on B-splines only...
(0080633)
nbv   
2018-11-02 15:29   
Dear Bugmaster.

The performance seems t o be OK on the fix 0030322.
(0080831)
git   
2018-11-07 15:47   
Branch CR23795 has been updated forcibly by nbv.

SHA-1: 5017465d24f571169d2e444dc5afa5c2f9ec2086
(0080865)
git   
2018-11-07 17:21   
Branch CR23795 has been updated forcibly by nbv.

SHA-1: 2e75da3dcd1bb04bcfe4a77d3d95d5e458f98ed4
(0080869)
git   
2018-11-07 17:25   
Branch CR23795 has been updated forcibly by nbv.

SHA-1: 3f88b7e35480dad757a4a7cc911c5887656b4339
(0080882)
git   
2018-11-07 17:55   
Branch CR23795 has been updated forcibly by nbv.

SHA-1: 9b64d79202d27d1d795bef4c0b2c1ba1be4fa58f
(0080883)
git   
2018-11-07 17:57   
Branch CR23795 has been updated forcibly by nbv.

SHA-1: 97248be4cbb9d7524ffa1d1a00b808db2d32c543
(0080900)
nbv   
2018-11-07 18:17   
Dear Mikhail,

Please review the branch CR23795.

Test results are here:
Windows: http://jenkins-test-12.nnov.opencascade.com/view/MeshTest-master_NBV/view/TESTING/job/MeshTest-master_NBV-OCCT-Windows-64-VC14-opt-test-restart/HTML_20Report/ [^]

Linux: http://jenkins-test-12.nnov.opencascade.com/view/MeshTest-master_NBV/view/TESTING/job/MeshTest-master_NBV-OCCT-Debian80-64-opt-test-restart/HTML_20Report/ [^]
(0080933)
msv   
2018-11-08 12:28   
The test gives warning
Warning, unknown argument '-AUTOTRIAN'
So, the command was not done.
(0080947)
git   
2018-11-08 13:49   
Branch CR23795 has been updated forcibly by nbv.

SHA-1: fe18ad58e0655d075dff9fe993fb4e16ce7a8f49
(0080948)
nbv   
2018-11-08 13:58   
Done. Please review the branch CR23795 again.
(0080949)
git   
2018-11-08 13:58   
Branch CR23795 has been updated forcibly by nbv.

SHA-1: 8573eb712208d847d92ff0980958aa9d5f7a3045
(0080983)
msv   
2018-11-08 18:13   
Reviewed.
(0081027)
git   
2018-11-11 12:00   
Branch CR23795 has been deleted by inv.

SHA-1: 8573eb712208d847d92ff0980958aa9d5f7a3045