Hi Yanqi,
I also want to bind tasks onto paticular cores. Could you be more specific how
you achieve this?
Thanks,
Teng
From: Yanqi Zhou
Sent: Friday, September 6, 2013 10:53 AM
To: gem5 users mailing list
Hi Steve,
I used another command from someone other's post:
export GOMP_CPU_AFFINITY="0 1 2 3"
It works.
Thanks,
Yanqi
From: [email protected] [[email protected]] on behalf of
Steve Reinhardt [[email protected]]
Sent: Friday, September 06, 2013 11:22 AM
To: gem5 users mailing list
Subject: Re: [gem5-users] Multicore programs
Hi Yanqi,
I don't have any idea why the command you tried isn't working. Did you try it
on a real system?
I've never done this myself, I just looked it up on google.
Steve
On Fri, Sep 6, 2013 at 6:45 AM, Yanqi Zhou <[email protected]> wrote:
Hi Steve,
I tried
taskset -pc 0 ./astar & taskset -pc 1 ./bzip
but the program terminates early.
Can you show me the exact command I should use?
Thanks,
Yanqi
From: [email protected] [[email protected]] on behalf of
Steve Reinhardt [[email protected]]
Sent: Thursday, September 05, 2013 11:56 AM
To: gem5 users mailing list
Subject: Re: [gem5-users] Multicore programs
If you're in FS mode, then thread scheduling is controlled by Linux. You can
run as many programs as you want, just like on a real Linux system, and if you
have more runnable threads than cores, they will be time-sliced by the kernel
using its internal thread scheduling algorithm.
Your ability to bind threads to cores is the same as on a real Linux system,
e.g., see:
http://linux.die.net/man/2/sched_setaffinity
http://linux.die.net/man/1/taskset
Steve
On Wed, Sep 4, 2013 at 1:37 PM, Zheng Wu <[email protected]> wrote:
Hi,
Depends on whether you're running them in SE mode or FS mode. In SE mode, you
can simply specify the benchmark you want to run with the following command
line options:
./gem5.opt config/example/se.py -c "<path to astar>;<path to bzip>" -o "<astar
options>;<bzip options>" --num-cpus 2
I am not sure about FS mode, hope this helps.
Best,
Zheng
On 2013-09-04, at 12:49 PM, Yanqi Zhou <[email protected]> wrote:
Hi Everyone,
How can I run multiple different programs on different cores? For example, I
need to run "astar" and "bzip" on two different cores, and gather traces for
each of the tow.
Can anyone share me some tips running multi-programs?
Thanks,
Yanqi
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