Re: [Gems-users] Simulated machine execution time


Date: Tue, 23 Oct 2007 15:21:45 -0500
From: Mike Marty <mikem@xxxxxxxxxxx>
Subject: Re: [Gems-users] Simulated machine execution time

I tend to use the "sarek" configuration. In $SIMICS/home/sarek/sarek-common.simics, there's a python variable "cpu_freq" that sets this parameter. It defaults to 75.

Also, at least for the Ultrasparc processor, it's saved when you do a simics checkpoint. Look for the string "freq_mhz". You can just change this (for all processors) in the checkpoint file directly.

Note that changing this only affects time from the Simics point of view. It doesn't have any effect on Ruby cycles.

Except that it could change the execution path that a program takes

--mike


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