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Re: [PATCH v1 12/18] tests/vm: allow us to take advantage of MTTCG
From: |
Richard Henderson |
Subject: |
Re: [PATCH v1 12/18] tests/vm: allow us to take advantage of MTTCG |
Date: |
Fri, 26 Jun 2020 11:30:32 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 |
On 6/22/20 7:31 AM, Alex Bennée wrote:
> if kvm_available(vmcls.arch):
> return multiprocessing.cpu_count() // 2
> + elif os.uname().machine == "x86_64" and \
> + vmcls.arch in ["aarch64", "x86_64", "i386"]:
> + # MTTCG is available on these arches and we can allow more cores.
> + # But only up to a reasonable limit. User can always override
> + # these limits with --jobs.
> + return min(multiprocessing.cpu_count() // 2, 8)
> else:
And if multiprocessing.cpu_count() == 1?
Seems like we should add max(count, 1) as well.
r~
- [PATCH v1 02/18] tests/vm: pass args through to BaseVM's __init__, (continued)
- [PATCH v1 02/18] tests/vm: pass args through to BaseVM's __init__, Alex Bennée, 2020/06/22
- [PATCH v1 06/18] tests/vm: Added a new script for ubuntu.aarch64., Alex Bennée, 2020/06/22
- [PATCH v1 03/18] tests/vm: Add configuration to basevm.py, Alex Bennée, 2020/06/22
- [PATCH v1 05/18] tests/vm: Add common Ubuntu python module, Alex Bennée, 2020/06/22
- [PATCH v1 08/18] tests/vm: change scripts to use self._config, Alex Bennée, 2020/06/22
- [PATCH v1 04/18] tests/vm: Added configuration file support, Alex Bennée, 2020/06/22
- [PATCH v1 07/18] tests/vm: Added a new script for centos.aarch64., Alex Bennée, 2020/06/22
- [PATCH v1 10/18] tests/vm: Add workaround to consume console, Alex Bennée, 2020/06/22
- [PATCH v1 12/18] tests/vm: allow us to take advantage of MTTCG, Alex Bennée, 2020/06/22
- [PATCH v1 13/18] tests/docker: check for an parameters not empty string, Alex Bennée, 2020/06/22
- [PATCH v1 14/18] .gitignore: un-ignore .gitlab-ci.d, Alex Bennée, 2020/06/22
- [PATCH v1 11/18] tests/vm: switch from optsparse to argparse, Alex Bennée, 2020/06/22