Hi, Any updates or new ideas on the issue?
Yours truly, S Srihari On Mon, 23 May 2022 at 18:00, Srihari Sridhar <gshari9...@gmail.com> wrote: > Hi, > > I tried on AMD ThreadRipper 3990x machine. It has 64 cores and 128 logical > processors. The windows make starts failing with 64 threads.It worked > successfully until 32 and even 48 threads. > > Regards, > S Srihari > > On Thu, 19 May 2022 at 15:42, Wolfgang Haupt <haupt.wolfg...@gmail.com> > wrote: > >> > Hi, >> > >> > Thanks for the reply. I checked the memory usage while building ffmpeg >> with >> > 64 threads. The machine I tested has 128 GB ram. While I tested it I >> found >> > that maximum memory utilized by the build of ffmpeg was 17GB. Still the >> > build throws up error semaphore or child process wait (Error 87 : The >> > parameter is incorrect). Hence could you check on the same please. I >> have >> > attached screenshots of memory utilized from the task manager. >> >> What CPU are you on? >> There is some complexity regarding the amount of threads and >> process groups on windows, see: >> >> https://www.windowscentral.com/windows-10-pro-cant-handle-amd-threadripper-3990xs-128-threads >> >> Do you even have a processor that will utilize 64 cores? >> I recommend trying with smaller values and see where "windows make" >> starts to fail. >> >> > >> > Regards, >> > S Srihari >> > >> > On Thu, 12 May 2022 at 16:45, Timo Rothenpieler <t...@rothenpieler.org> >> > wrote: >> > >> >> On 12.05.2022 04:22, Srihari Sridhar wrote: >> >>> Hi, >> >>> >> >>> I was building ffmpeg through windows. While I was able to >> successfully >> >>> able to build for smaller number of threads, for larger number of >> >> threads I >> >>> faced an issue >> >>> >> >>> The commands I used were >> >>> bash ./configure --arch=x86 --target-os=mingw32 --disable-x86asm >> >>> make -j <no_of_Threads> >> >>> >> >>> While building with 4 Threads the build was successful >> >>> Screenshot: >> >>> [image: image.png] >> >>> >> >>> While building with 64 threads, I faced the following error, >> >>> Screenshot : >> >>> [image: image.png] >> >>> semaphore or child process wait (Error 87 : The parameter is >> incorrect) >> >> Please don't use images for plain text. It's hard to access and barely >> >> legible. >> >> >> >>> Please could you check this issue. Thanks >> >> You probably just ran out of RAM or something. Highly unlikely that >> this >> >> is an issue with ffmpeg. >> >> _______________________________________________ >> >> ffmpeg-devel mailing list >> >> ffmpeg-devel@ffmpeg.org >> >> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel >> >> >> >> To unsubscribe, visit link above, or email >> >> ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". >> >> >> >> >> >> _______________________________________________ >> >> ffmpeg-devel mailing list >> >> ffmpeg-devel@ffmpeg.org >> >> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel >> >> >> >> To unsubscribe, visit link above, or email >> >> ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". >> > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".