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Date: Wed, 05 Feb 2003 07:30:08 -0800
From: "Martin J. Bligh" <mbligh@aracnet.com>
To: vda@port.imtp.ilyichevsk.odessa.ua,
       Herman Oosthuysen <Herman@WirelessNetworksInc.com>
cc: linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net
Subject: Re: gcc 2.95 vs 3.21 performance
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> GCC already went this way, i.e. it aligns functions and loops by
> ridiculous (IMHO) amounts like 16 bytes. That's 7,5 bytes per alignment
> on average. Now count lk functions and loops and mourn for lost icache.
> Or just disassemble any .o module and read the damn code.
> 
> This is the primary reason why people report larger kernels for GCC 3.x
> 
> I am damn sure that if you compile with less sadistic alignment
> you will get smaller *and* faster kernel.

There's only one real way to know that. Do it, test it.

M.

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