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Can you specify on which core should a batch script run?
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I have a batch script that runs a program for a while. The program is monothread. I would like to run several instances of this program in parallel and be sure they do not run using the same core/thread.
The reason for that is that I am measuring the time it takes to run the program and I would like to try and avoid having biased results because some instances running using concurrent cpu ressources.
Is there a way to specify in my batch script a given core/thread number and avoid the aforementioned bias I could get ?
windows windows-10 cpu batch
asked yesterday
NorgannonNorgannon
103
add a comment |
I have a batch script that runs a program for a while. The program is monothread. I would like to run several instances of this program in parallel and be sure they do not run using the same core/thread.
The reason for that is that I am measuring the time it takes to run the program and I would like to try and avoid having biased results because some instances running using concurrent cpu ressources.
Is there a way to specify in my batch script a given core/thread number and avoid the aforementioned bias I could get ?
windows windows-10 cpu batch
asked yesterday
NorgannonNorgannon
103
add a comment |
I have a batch script that runs a program for a while. The program is monothread. I would like to run several instances of this program in parallel and be sure they do not run using the same core/thread.
The reason for that is that I am measuring the time it takes to run the program and I would like to try and avoid having biased results because some instances running using concurrent cpu ressources.
Is there a way to specify in my batch script a given core/thread number and avoid the aforementioned bias I could get ?
windows windows-10 cpu batch
asked yesterday
NorgannonNorgannon
103
I have a batch script that runs a program for a while. The program is monothread. I would like to run several instances of this program in parallel and be sure they do not run using the same core/thread.
The reason for that is that I am measuring the time it takes to run the program and I would like to try and avoid having biased results because some instances running using concurrent cpu ressources.
Is there a way to specify in my batch script a given core/thread number and avoid the aforementioned bias I could get ?
windows windows-10 cpu batch
windows windows-10 cpu batch
asked yesterday
NorgannonNorgannon
103
asked yesterday
NorgannonNorgannon
103
asked yesterday
NorgannonNorgannon
103
asked yesterday
NorgannonNorgannon
103
asked yesterday
NorgannonNorgannon
103
103
add a comment |
add a comment |
1 Answer
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oldest
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You can try running it with the taskset utility with the -c option like taskset -c 0 batch.job. In order to find your cpu-count you can use the nproc tool.
article about process affinity - linux
taskset manpage
Edit: On windows you can probably use the similar start utility with the /affinity option.
processor affinity in windows/linux
answered yesterday
juojuo
362
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well I am on windows, I didn't specify it in the text but in the tags. Looking up taskset there might be a solution on this SO thread.
– Norgannon
yesterday
Looks like on windows your best bet would be thestart-command with the/affinity-option. Sorry I can't help much further as I am more of a Linux-Guy ; )
– juo
yesterday
I tried that but it looks like every 5 seconds or so, the process switches thread. I will update if I find the reason.
– Norgannon
yesterday
It works fine ! The problem was that I was using a batch script to run a batch script to run the program. So I guess the second batch script was indeed running on a given core, but the program it was running was not. You need to use start command with /affinity option when running the .exe, if you do that on the .bat, it doesn't echoes onto the "child" processes.
– Norgannon
yesterday
Well now it looks like/affinitydoes echo onto the "child" processes... I'm confused. But it's still working !
– Norgannon
yesterday
|
show 1 more comment
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You can try running it with the taskset utility with the -c option like taskset -c 0 batch.job. In order to find your cpu-count you can use the nproc tool.
article about process affinity - linux
taskset manpage
Edit: On windows you can probably use the similar start utility with the /affinity option.
processor affinity in windows/linux
answered yesterday
juojuo
362
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well I am on windows, I didn't specify it in the text but in the tags. Looking up taskset there might be a solution on this SO thread.
– Norgannon
yesterday
Looks like on windows your best bet would be thestart-command with the/affinity-option. Sorry I can't help much further as I am more of a Linux-Guy ; )
– juo
yesterday
I tried that but it looks like every 5 seconds or so, the process switches thread. I will update if I find the reason.
– Norgannon
yesterday
It works fine ! The problem was that I was using a batch script to run a batch script to run the program. So I guess the second batch script was indeed running on a given core, but the program it was running was not. You need to use start command with /affinity option when running the .exe, if you do that on the .bat, it doesn't echoes onto the "child" processes.
– Norgannon
yesterday
Well now it looks like/affinitydoes echo onto the "child" processes... I'm confused. But it's still working !
– Norgannon
yesterday
|
show 1 more comment
You can try running it with the taskset utility with the -c option like taskset -c 0 batch.job. In order to find your cpu-count you can use the nproc tool.
article about process affinity - linux
taskset manpage
Edit: On windows you can probably use the similar start utility with the /affinity option.
processor affinity in windows/linux
answered yesterday
juojuo
362
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well I am on windows, I didn't specify it in the text but in the tags. Looking up taskset there might be a solution on this SO thread.
– Norgannon
yesterday
Looks like on windows your best bet would be thestart-command with the/affinity-option. Sorry I can't help much further as I am more of a Linux-Guy ; )
– juo
yesterday
I tried that but it looks like every 5 seconds or so, the process switches thread. I will update if I find the reason.
– Norgannon
yesterday
It works fine ! The problem was that I was using a batch script to run a batch script to run the program. So I guess the second batch script was indeed running on a given core, but the program it was running was not. You need to use start command with /affinity option when running the .exe, if you do that on the .bat, it doesn't echoes onto the "child" processes.
– Norgannon
yesterday
Well now it looks like/affinitydoes echo onto the "child" processes... I'm confused. But it's still working !
– Norgannon
yesterday
|
show 1 more comment
You can try running it with the taskset utility with the -c option like taskset -c 0 batch.job. In order to find your cpu-count you can use the nproc tool.
article about process affinity - linux
taskset manpage
Edit: On windows you can probably use the similar start utility with the /affinity option.
processor affinity in windows/linux
answered yesterday
juojuo
362
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
You can try running it with the taskset utility with the -c option like taskset -c 0 batch.job. In order to find your cpu-count you can use the nproc tool.
article about process affinity - linux
taskset manpage
Edit: On windows you can probably use the similar start utility with the /affinity option.
processor affinity in windows/linux
answered yesterday
juojuo
362
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
answered yesterday
juojuo
362
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered yesterday
juojuo
362
answered yesterday
juojuo
362
362
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
juo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well I am on windows, I didn't specify it in the text but in the tags. Looking up taskset there might be a solution on this SO thread.
– Norgannon
yesterday
Looks like on windows your best bet would be thestart-command with the/affinity-option. Sorry I can't help much further as I am more of a Linux-Guy ; )
– juo
yesterday
I tried that but it looks like every 5 seconds or so, the process switches thread. I will update if I find the reason.
– Norgannon
yesterday
It works fine ! The problem was that I was using a batch script to run a batch script to run the program. So I guess the second batch script was indeed running on a given core, but the program it was running was not. You need to use start command with /affinity option when running the .exe, if you do that on the .bat, it doesn't echoes onto the "child" processes.
– Norgannon
yesterday
Well now it looks like/affinitydoes echo onto the "child" processes... I'm confused. But it's still working !
– Norgannon
yesterday
|
show 1 more comment
Well I am on windows, I didn't specify it in the text but in the tags. Looking up taskset there might be a solution on this SO thread.
– Norgannon
yesterday
Looks like on windows your best bet would be thestart-command with the/affinity-option. Sorry I can't help much further as I am more of a Linux-Guy ; )
– juo
yesterday
I tried that but it looks like every 5 seconds or so, the process switches thread. I will update if I find the reason.
– Norgannon
yesterday
It works fine ! The problem was that I was using a batch script to run a batch script to run the program. So I guess the second batch script was indeed running on a given core, but the program it was running was not. You need to use start command with /affinity option when running the .exe, if you do that on the .bat, it doesn't echoes onto the "child" processes.
– Norgannon
yesterday
Well now it looks like/affinitydoes echo onto the "child" processes... I'm confused. But it's still working !
– Norgannon
yesterday
Well I am on windows, I didn't specify it in the text but in the tags. Looking up taskset there might be a solution on this SO thread.
– Norgannon
yesterday
Well I am on windows, I didn't specify it in the text but in the tags. Looking up taskset there might be a solution on this SO thread.
– Norgannon
yesterday
Looks like on windows your best bet would be the
start-command with the /affinity-option. Sorry I can't help much further as I am more of a Linux-Guy ; )– juo
yesterday
Looks like on windows your best bet would be the
start-command with the /affinity-option. Sorry I can't help much further as I am more of a Linux-Guy ; )– juo
yesterday
I tried that but it looks like every 5 seconds or so, the process switches thread. I will update if I find the reason.
– Norgannon
yesterday
I tried that but it looks like every 5 seconds or so, the process switches thread. I will update if I find the reason.
– Norgannon
yesterday
It works fine ! The problem was that I was using a batch script to run a batch script to run the program. So I guess the second batch script was indeed running on a given core, but the program it was running was not. You need to use start command with /affinity option when running the .exe, if you do that on the .bat, it doesn't echoes onto the "child" processes.
– Norgannon
yesterday
It works fine ! The problem was that I was using a batch script to run a batch script to run the program. So I guess the second batch script was indeed running on a given core, but the program it was running was not. You need to use start command with /affinity option when running the .exe, if you do that on the .bat, it doesn't echoes onto the "child" processes.
– Norgannon
yesterday
Well now it looks like
/affinity does echo onto the "child" processes... I'm confused. But it's still working !– Norgannon
yesterday
Well now it looks like
/affinity does echo onto the "child" processes... I'm confused. But it's still working !– Norgannon
yesterday
|
show 1 more comment
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