2015-07-16

06:24 pm OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

I can confirm that pthreads works as expected:...

2015-07-14

09:38 pm OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

Thanks Alexander. Can you tell me an OpenCV function that uses pthreads parallel implementation? So I can test it.
A...

2015-07-13

06:52 pm OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

OK. Using the current git repo and compiling with WITH_TBB=OFF I get from cmake:...

03:16 am OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

Thanks Alexander.
I'm on CentOS 7. But presume that hasn't gotten the TBB 4.3 from upstream yet.
Due to issue...

2015-07-09

10:25 pm OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

If I uncomment that line above I get the segfault:...

01:14 am OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

I've never coded in C++ before but I had a go at changing tbbScheduler in parallel.cpp to thread_local which is avail...

2015-07-07

09:18 pm OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

Actually. I'm not totally sure that using a thread local would not work.
See the comment in here https://software...

09:06 pm OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

Note: I am running this under OpenCV 3 which only has access to setNumThreads and getNumThreads from Python with issu...

09:04 pm OpenCV Bug #4469 (Open): TBB threads not managed properly when called from multiple threads

2015-07-06

02:02 am OpenCV Bug #4353 (Cancelled): 100% CPU / lockup / stalled in cv::ThresholdRunner::operator() when using TBB

Done.