r
>From andriy.shevche...@linux.intel.com Sun Jun 05 14:21:40 2016
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.26,421,1459839600";
d="scan'208";a="969274163"
Subject: Re: [PATCH v2 1/2] lib/vsprintf.c: Simplify uuid_string()
From: Andy Shevchenko <andriy.sh
r
>From andriy.shevche...@linux.intel.com Sun Jun 05 14:21:40 2016
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.26,421,1459839600";
d="scan'208";a="969274163"
Subject: Re: [PATCH v2 1/2] lib/vsprintf.c: Simplify uuid_string()
From: Andy Shevchenko
To: George
On Sat, 2016-06-04 at 01:14 -0400, George Spelvin wrote:
> Rather than have a second pass to upcase the buffer, just make the
> hex lookup table a variable.
>
> Removing the conditional branch from the inner loop is also a
> speedup, but since this is not hot code, the important factor
> it
On Sat, 2016-06-04 at 01:14 -0400, George Spelvin wrote:
> Rather than have a second pass to upcase the buffer, just make the
> hex lookup table a variable.
>
> Removing the conditional branch from the inner loop is also a
> speedup, but since this is not hot code, the important factor
> it
Rather than have a second pass to upcase the buffer, just make the
hex lookup table a variable.
Removing the conditional branch from the inner loop is also a
speedup, but since this is not hot code, the important factor
it shrinks both source and compiled forms:
Before After Delta
Rather than have a second pass to upcase the buffer, just make the
hex lookup table a variable.
Removing the conditional branch from the inner loop is also a
speedup, but since this is not hot code, the important factor
it shrinks both source and compiled forms:
Before After Delta
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