From: Paolo Bonzini <pbonzini@redhat.com>
To: Yanan Wang <wangyanan55@huawei.com>,
qemu-devel@nongnu.org, qemu-arm@nongnu.org
Cc: Barry Song <song.bao.hua@hisilicon.com>,
Peter Maydell <peter.maydell@linaro.org>,
Andrew Jones <drjones@redhat.com>,
Eduardo Habkost <ehabkost@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Shannon Zhao <shannon.zhaosl@gmail.com>,
wanghaibin.wang@huawei.com, yuzenghui@huawei.com,
Igor Mammedov <imammedo@redhat.com>,
zhukeqian1@huawei.com, Jiajie Li <lijiajie11@huawei.com>
Subject: Re: [RFC PATCH 0/6] Introduce cluster cpu topology support
Date: Wed, 31 Mar 2021 12:00:54 +0200 [thread overview]
Message-ID: <20162bd1-b31e-e180-8792-81934e0d005b@redhat.com> (raw)
In-Reply-To: <20210331095343.12172-1-wangyanan55@huawei.com>
On 31/03/21 11:53, Yanan Wang wrote:
> A cluster means a group of cores that share some resources (e.g. cache)
> among them under the LLC. For example, ARM64 server chip Kunpeng 920 has
> 6 or 8 clusters in each NUMA, and each cluster has 4 cores. All clusters
> share L3 cache data while cores within each cluster share the L2 cache.
Is this different from what we already have with "-smp dies"?
Paolo
next prev parent reply other threads:[~2021-03-31 10:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 9:53 [RFC PATCH 0/6] Introduce cluster cpu topology support Yanan Wang
2021-03-31 9:53 ` [RFC PATCH 1/6] vl.c: Add arch-neutral -smp, clusters=* command line support Yanan Wang
2021-03-31 9:53 ` [RFC PATCH 2/6] hw/core/machine: Parse cluster cpu topology in smp_parse() Yanan Wang
2021-03-31 9:53 ` [RFC PATCH 3/6] hw/arm/virt: Parse cluster cpu topology for ARM machines Yanan Wang
2021-03-31 9:53 ` [RFC PATCH 4/6] hw/i386/pc: Parse cluster cpu topology for PC machines Yanan Wang
2021-03-31 9:53 ` [RFC PATCH 5/6] hw/arm/virt-acpi-build: Add cluster level for ARM PPTT table Yanan Wang
2021-03-31 9:53 ` [RFC PATCH 6/6] hw/arm/virt: Add cluster level for ARM device tree Yanan Wang
2021-03-31 10:00 ` Paolo Bonzini [this message]
2021-04-01 8:43 ` [RFC PATCH 0/6] Introduce cluster cpu topology support wangyanan (Y)
2021-04-27 9:57 ` Philippe Mathieu-Daudé
2021-04-27 11:00 ` wangyanan (Y)
2021-04-27 12:08 ` Philippe Mathieu-Daudé
2021-04-27 12:34 ` wangyanan (Y)
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