From: Gang Li <ligang.bdlg@bytedance.com>
To: David Rientjes <rientjes@google.com>,
David Hildenbrand <david@redhat.com>
Cc: Gang Li <gang.li@linux.dev>,
Mike Kravetz <mike.kravetz@oracle.com>,
Muchun Song <muchun.song@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v1 0/4] hugetlb: parallelize hugetlb page allocation on boot
Date: Tue, 28 Nov 2023 11:18:46 +0800 [thread overview]
Message-ID: <db1b593a-41d9-444a-b3f4-f6bffe98634b@bytedance.com> (raw)
In-Reply-To: <783f8bac-55b8-5b95-eb6a-11a583675000@google.com>
On 2023/11/25 04:00, David Rientjes wrote:
> On Fri, 24 Nov 2023, David Hildenbrand wrote:
>
>> And there, the 65.2s won't be noise because that 12TB system is up by a snap
>> of a finger? :)
>>
>
> In this single boot test, total boot time was 373.78s, so 1GB hugetlb
> allocation is 17.4% of that.
Thank you for sharing these data. Currently, I don't have access to a
machine of such large capacity, so the benefits in my tests are not as
pronounced.
I believe testing on a system of this scale would yield significant
benefits.
>
> Would love to see what the numbers would look like if 1GB pages were
> supported.
>
Support for 1GB hugetlb is not yet perfect, so it wasn't included in v1.
But I'm happy to refine and introduce 1GB hugetlb support in future
versions.
next prev parent reply other threads:[~2023-11-28 3:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-23 13:30 Gang Li
2023-11-23 13:30 ` [RFC PATCH v1 1/4] hugetlb: code clean for hugetlb_hstate_alloc_pages Gang Li
2023-11-23 13:30 ` [RFC PATCH v1 2/4] hugetlb: split hugetlb_hstate_alloc_pages Gang Li
2023-11-23 13:30 ` [RFC PATCH v1 3/4] hugetlb: add timing to hugetlb allocations on boot Gang Li
2023-11-23 13:30 ` [RFC PATCH v1 4/4] hugetlb: parallelize hugetlb page allocation Gang Li
2023-11-23 13:58 ` [RFC PATCH v1 0/4] hugetlb: parallelize hugetlb page allocation on boot Gang Li
2023-11-23 14:10 ` David Hildenbrand
2023-11-24 19:44 ` David Rientjes
2023-11-24 19:47 ` David Hildenbrand
2023-11-24 20:00 ` David Rientjes
2023-11-28 3:18 ` Gang Li [this message]
2023-11-28 6:52 ` Gang Li
2023-11-28 8:09 ` David Hildenbrand
2023-11-29 19:41 ` David Rientjes
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