2017.11.20 17:04 "[Tiff] TIFF tag and compression registration", by Kemp Watson
- 2017.11.20 17:34 "Re: [Tiff] TIFF tag and compression registration", by Bob Friesenhahn
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2018.01.16 20:08 "Re: [Tiff] Strategies for multi-core speedups", by
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2018.01.16 00:15 "Re: [Tiff] Strategies for multi-core speedups", by Bob Friesenhahn
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2018.01.15 21:41 "Re: [Tiff] Strategies for multi-core speedups", by Larry Gritz
- 2018.01.15 19:17 "[Tiff] Strategies for multi-core speedups", by Larry Gritz
- 2018.01.15 21:46 "Re: [Tiff] Strategies for multi-core speedups", by scott ribe
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2018.01.16 01:09 "Re: [Tiff] Strategies for multi-core speedups", by Craig Bruce
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2018.01.16 18:36 "Re: [Tiff] Strategies for multi-core speedups", by
- 2018.01.15 23:29 "Re: [Tiff] Strategies for multi-core speedups", by Larry Gritz
- 2018.01.16 18:48 "Re: [Tiff] Strategies for multi-core speedups", by scott ribe
- 2018.01.16 19:01 "Re: [Tiff] Strategies for multi-core speedups", by Kemp Watson
- 2018.01.16 19:34 "Re: [Tiff] Strategies for multi-core speedups", by Paavo Helde
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2018.01.16 18:36 "Re: [Tiff] Strategies for multi-core speedups", by
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2018.01.15 21:41 "Re: [Tiff] Strategies for multi-core speedups", by Larry Gritz
- 2018.01.16 20:18 "Re: [Tiff] Strategies for multi-core speedups", by Kemp Watson
- 2018.01.16 20:23 "Re: [Tiff] Strategies for multi-core speedups", by
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2018.01.16 00:15 "Re: [Tiff] Strategies for multi-core speedups", by Bob Friesenhahn
2018.01.15 21:46 "Re: [Tiff] Strategies for multi-core speedups", by scott ribe
On Jan 15, 2018, at 2:41 PM, Larry Gritz <lg@larrygritz.com> wrote:
Until then, I'm very interested in any suggestions for how I can hack it on the app side, but preferably still using libtiff for as much as possible. My read of the libtiff internals is that although I can read or write raw (uncompressed) strips or tiles, the codec implementations are have state and are therefore not reentrant -- I can't call them in parallel on multiple raw strips that I've already read, nor can I call the compressors on multiple data blocks to generate raw strips in parallel.
Yes, but you can do the compression yourself in parallel, then jam the already-compressed strips into libtiff...