Re: [Gems-users] A question about opal

[sparsh mittal ISU <sparsh@xxxxxxxxxxx>]

Thanks a lot.
I have a further question. If I do:
opal0.sim-step 2000
c 2000
opal0.sim-step 2000

then have I executed 2000 instructions through opal, then 2000 through simics and again through opal
or is the last opal0.sim-step command ineffective and should have been opal0.sim-step 4000?

Thanks
Sparsh

On Fri, Sep 18, 2009 at 9:43 AM, Dan Gibson <degibson@xxxxxxxx> wrote:

It has been ages since I used opal, but as I recall, that is the expected behavior, strange though it is. If you want opal to step fifty MORE instructions, try opal0.sim-step 550.

Regards,
Dan

On Fri, Sep 18, 2009 at 9:22 AM, sparsh mittal ISU <sparsh@xxxxxxxxxxx> wrote:

Hello List
I an running opal and found a strange behavior which I could not understand. Once I do sim-step for X number of instructions, opal no longer steps for any Y<X, one has to run it for instructions more than X. If we run it for Y<X, it just shows the output for previously executed X instructions. Is it expected (normal) or strange? I would be grateful for your reply.
 
simics> opal0.sim-step 500
simulate: completed 502 instructions, cycle: 153

simics> opal0.sim-step 500
simulate: completed 502 instructions, cycle: 153

simics>  opal0.sim-step 50
simulate: completed 502 instructions, cycle: 153
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Thanks and Regards
Sparsh Mittal

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Thanks and Regards
Sparsh Mittal
Graduate Student
Electrical and Computer Engineering
Iowa State University, Iowa, USA