From: Herbert Xu <herbert@gondor.apana.org.au>
To: Mahipal Challa <mahipalreddy2006@gmail.com>
Cc: davem@davemloft.net, linux-crypto@vger.kernel.org,
linux-kernel@vger.kernel.org, Jan.Glauber@cavium.com,
Vishnu.Nair@cavium.com, pathreya@cavium.com,
Mahipal.Challa@cavium.com
Subject: Re: [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver
Date: Thu, 9 Mar 2017 18:46:54 +0800 [thread overview]
Message-ID: <20170309104654.GD7185@gondor.apana.org.au> (raw)
In-Reply-To: <1487135710-9692-1-git-send-email-Mahipal.Challa@cavium.com>
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
next prev parent reply other threads:[~2017-03-09 10:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-15 5:15 [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver Mahipal Challa
2017-02-15 5:15 ` [RFC PATCH v2 1/3] crypto: zip - Add ThunderX ZIP driver core Mahipal Challa
2017-02-15 5:15 ` [RFC PATCH v2 2/3] crypto: zip - Wire-up Compression / decompression HW offload Mahipal Challa
2017-02-15 5:15 ` [RFC PATCH v2 3/3] crypto: zip - Add Compression/Decompression statistics Mahipal Challa
2017-03-09 10:46 ` Herbert Xu [this message]
2017-03-09 18:25 ` [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver Mahipal Reddy
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