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>
next prev parent 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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