to reduce footprint

Lin George george4academic@yahoo.com
Thu Dec 21 17:31:00 GMT 2006


Thanks Ben! That's a good explanation. I will have a try.


regards,
George

----- Original Message ----
From: Ben Elliston <bje@au1.ibm.com>
To: Lin George <george4academic@yahoo.com>
Cc: Ian Lance Taylor <iant@google.com>; binutils@sourceware.org
Sent: Thursday, December 21, 2006 7:20:43 AM
Subject: Re: to reduce footprint


> Thanks Ian. After reading the manual for -Os, it seems that using -Os
> can both achieve the better performance and reduce the footprint. Is
> that correct?

Sometimes, yes.  On some machines, there is a good performance gain if
you can reduce code size such that more of the frequently executed code
is retained in the instruction cache.

Ben

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