From cd5c02e76c817cf91b0249ac1f88031e59b75df1 Mon Sep 17 00:00:00 2001 From: "Richard W.M. Jones" Date: Thu, 19 Oct 2023 14:28:07 +0100 Subject: [PATCH] 2023-koji: Add scaling notes --- 2023-hardware/notes.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/2023-hardware/notes.txt b/2023-hardware/notes.txt index c13f6d7..62bcdb3 100644 --- a/2023-hardware/notes.txt +++ b/2023-hardware/notes.txt @@ -187,3 +187,8 @@ A few tips to make TCG run (a bit) fast(er): - Software TLB - Fast vs slow jumps + + - Performance scales almost linearly with # vCPUs + + * I compared 4 vCPU vs 16 vCPU virtual machine, and parallelized + build speed inside the guest increased by 3.3x, which is almost linear -- 1.8.3.1