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LibTiff Mailing List
2016.01.26 09:36 "Re: [Tiff] OpenMP enabled libtiff", by Mat Maher
libTiff performance is governed by two factors:
The latter would benefit enormously from multi-threaded implementation, BUT, will ultimately be throttled by the former.
There are a few simple things which could be done to improve matters:
For these changes, I actually wouldn't use OpenMP. The TIFF strip arrangement is a perfect division for multi-threading utilisation. Trying to multi-thread at a lower granularity than this is likely to yield lower performance due to the compression/decompression libraries which are largely sequential in operation.
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