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Groups > linux.kernel > #1596286 > unrolled thread
| Started by | Herbert Xu <herbert@gondor.apana.org.au> |
|---|---|
| First post | 2017-03-09 19:20 +0100 |
| Last post | 2017-03-09 19:30 +0100 |
| Articles | 2 — 2 participants |
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Re: [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver Herbert Xu <herbert@gondor.apana.org.au> - 2017-03-09 19:20 +0100
Re: [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver Mahipal Reddy <mahipalreddy2006@gmail.com> - 2017-03-09 19:30 +0100
| From | Herbert Xu <herbert@gondor.apana.org.au> |
|---|---|
| Date | 2017-03-09 19:20 +0100 |
| Subject | Re: [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver |
| Message-ID | <tjaPo-rT-15@gated-at.bofh.it> |
On Wed, Feb 15, 2017 at 10:45:07AM +0530, Mahipal Challa wrote: > Hi Herbert, > > This series adds support for hardware accelerated compression & decompression > as found on ThunderX (arm64) SOCs. > > As per your suggestion, we've switched to the new crypto acomp/scomp interface. > > To test the ZIP driver, we modified the kernel's ZSWAP to use acomp API's. > > Performance numbers from ZSWAP look promising. > The "average time" for compressing a 4KB page: > > Compression Software : 278 usec > Compression HW deflate : 17 usec > Compression HW LZS : 11 usec > > Decompression Software : 20 usec > Decompression HW deflate: 8 usec > Decompression HW LZS : 6 usec > > Addressed the review comments from the RFC v1. > - Added acomp/scomp crypto interface support. > - Improved the error handling. > - ZIP command completion codes are renamed suitably. > - Removed some un-used code. > - raw_smp_processor_id() replaced with smp_processor_id(). > - Some more miscellaneous changes. > > Patches are on top of "kernel/git/herbert/crypto-2.6.git" repository > > Please provide your feedback. All applied. Thanks. -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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| From | Mahipal Reddy <mahipalreddy2006@gmail.com> |
|---|---|
| Date | 2017-03-09 19:30 +0100 |
| Message-ID | <tjaZ4-vl-21@gated-at.bofh.it> |
| In reply to | #1596286 |
On Thu, Mar 9, 2017 at 4:16 PM, Herbert Xu <herbert@gondor.apana.org.au> wrote: > On Wed, Feb 15, 2017 at 10:45:07AM +0530, Mahipal Challa wrote: >> Hi Herbert, >> >> This series adds support for hardware accelerated compression & decompression >> as found on ThunderX (arm64) SOCs. >> >> As per your suggestion, we've switched to the new crypto acomp/scomp interface. >> >> To test the ZIP driver, we modified the kernel's ZSWAP to use acomp API's. >> >> Performance numbers from ZSWAP look promising. >> The "average time" for compressing a 4KB page: >> >> Compression Software : 278 usec >> Compression HW deflate : 17 usec >> Compression HW LZS : 11 usec >> >> Decompression Software : 20 usec >> Decompression HW deflate: 8 usec >> Decompression HW LZS : 6 usec >> >> Addressed the review comments from the RFC v1. >> - Added acomp/scomp crypto interface support. >> - Improved the error handling. >> - ZIP command completion codes are renamed suitably. >> - Removed some un-used code. >> - raw_smp_processor_id() replaced with smp_processor_id(). >> - Some more miscellaneous changes. >> >> Patches are on top of "kernel/git/herbert/crypto-2.6.git" repository >> >> Please provide your feedback. > > All applied. Thanks. > -- > Email: Herbert Xu <herbert@gondor.apana.org.au> > Home Page: http://gondor.apana.org.au/~herbert/ > PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt Thank you Herbert. Regards, -Mahipal
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