Re: [RFC PATCH v2 1/4] vl.c: Add -smp, clusters=* command line support for ARM cpu

2021-04-28 Thread wangyanan (Y)
On 2021/4/28 18:23, Andrew Jones wrote: On Tue, Apr 13, 2021 at 04:31:44PM +0800, 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 ha

Re: [RFC PATCH v2 1/4] vl.c: Add -smp, clusters=* command line support for ARM cpu

2021-04-28 Thread Andrew Jones
On Tue, Apr 13, 2021 at 04:31:44PM +0800, 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 cach

[RFC PATCH v2 1/4] vl.c: Add -smp, clusters=* command line support for ARM cpu

2021-04-13 Thread Yanan Wang
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. The cach