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Message-ID: <516EB259.3010804@openwrt.org> (sfid-20130417_163200_184664_5F74D917)
Date: Wed, 17 Apr 2013 16:31:53 +0200
From: Felix Fietkau <nbd@openwrt.org>
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To: Karl Beldan <karl.beldan@gmail.com>
CC: Johannes Berg <johannes@sipsolutions.net>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Karl Beldan <karl.beldan@rivierawaves.com>
Subject: Re: [PATCH] mac80211: optimize minstrel_ewma
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On 2013-04-17 1:43 PM, Karl Beldan wrote:
> From: Karl Beldan <karl.beldan@rivierawaves.com>
> 
> Use powers of two in ewma of minstrel.
> This changes :
> - EWMA_DIV   from 100 to 2^7
> - EWMA_LEVEL from 75 (/EWMA_DIV=100) to 2^6 + 2^5 (/EWMA_DIV=128)
> 
> Note that this changes EWMA_DIV - EWMA_LEVEL from 25 to 2^5 and keeps
> EWMA_LEVEL / EWMA_DIV == 0.75.
> 
> Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>