Legacy ImageMagick Discussions Archive

Any news on this issue? We worked around this by adding a lock in case of Windows. On Windows, ImageMagick loads the GhostScript DLL and uses GhostSCript in-process - the DLL must not be used concurrently. On Linux, ImageMagick uses GhostScript out-of-process, so the issue cannot occur.

Thanks!

Thanks. However, I don't think that this can be reproduced using convert alone because it does not execute multiple conversions concurrently - in a single process. My understanding is that the thread limit of convert is a limit for a single conversion. That's why I provided the testcase.

Thanks for the reply. ReadImage fails so my assumption is that the output format does not matter for the issue. The EPS I used: https://people.sc.fsu.edu/~jburkardt/data/eps/circle.eps Actually, I tried multiple files and always had the problem. I found the following ImageMagick changelog entry ...

Thanks. I retried with 9.23, the issue still exists.

ReadImage fails on Windows with ImageMagick 6.9.10 and GhostScript 9.06 if multiple threads execute these operation using dedicated ImageInfo instances. The output (1 thread): C:\>main 1 circle.eps test.jpg Start READ Start WRITE END The output (2 threads): C:\>main 2 circle.eps test.jpg Start READ ...

In 6.5.8, executing PingImage for a large 100MB PSD file returned immediately with no recognizable delay. In 6.8.6-7, PingImage takes around 30 seconds to complete. I assume that all PSD files are affected because 6.8.6-7 does not evaluate the ping flag in ImageInfo anymore, so I did not provide a ...