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From: Eric Biggers <ebiggers@kernel.org>
To: Arvind Sankar <nivedita@alum.mit.edu>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	"linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
	David Laight <David.Laight@aculab.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/6] crypto: lib/sha256 - Unroll LOAD and BLEND loops
Date: Wed, 21 Oct 2020 22:02:56 -0700	[thread overview]
Message-ID: <20201022050256.GH857@sol.localdomain> (raw)
In-Reply-To: <20201020203957.3512851-6-nivedita@alum.mit.edu>

On Tue, Oct 20, 2020 at 04:39:56PM -0400, Arvind Sankar wrote:
> Unrolling the LOAD and BLEND loops improves performance by ~8% on x86_64
> (tested on Broadwell Xeon) while not increasing code size too much.
> 
> Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
> ---

Looks good,

Reviewed-by: Eric Biggers <ebiggers@google.com>

  reply	other threads:[~2020-10-22  5:03 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-20 20:39 [PATCH v2 0/6] crypto: lib/sha256 - cleanup/optimization Arvind Sankar
2020-10-20 20:39 ` [PATCH v2 1/6] crypto: Use memzero_explicit() for clearing state Arvind Sankar
2020-10-22  4:36   ` Eric Biggers
2020-10-23 15:39     ` Arvind Sankar
2020-10-23 15:56       ` Eric Biggers
2020-10-23 20:45         ` Herbert Xu
2020-10-23 21:53           ` Eric Biggers
2020-10-29  7:00             ` Herbert Xu
2020-10-20 20:39 ` [PATCH v2 2/6] crypto: lib/sha256 - Don't clear temporary variables Arvind Sankar
2020-10-22  4:58   ` Eric Biggers
2020-10-23  3:17     ` Arvind Sankar
2020-10-20 20:39 ` [PATCH v2 3/6] crypto: lib/sha256 - Clear W[] in sha256_update() instead of sha256_transform() Arvind Sankar
2020-10-22  4:59   ` Eric Biggers
2020-10-20 20:39 ` [PATCH v2 4/6] crypto: lib/sha256 - Unroll SHA256 loop 8 times intead of 64 Arvind Sankar
2020-10-22  5:02   ` Eric Biggers
2020-10-23  3:12     ` Arvind Sankar
2020-10-23  3:16       ` Herbert Xu
2020-10-20 20:39 ` [PATCH v2 5/6] crypto: lib/sha256 - Unroll LOAD and BLEND loops Arvind Sankar
2020-10-22  5:02   ` Eric Biggers [this message]
2020-10-20 20:39 ` [PATCH v2 6/6] crypto: lib/sha - Combine round constants and message schedule Arvind Sankar
2020-10-20 21:36   ` David Laight
2020-10-21 15:16     ` Arvind Sankar
2020-10-22  4:34   ` Eric Biggers
2020-10-22  8:20     ` David Laight

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