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Diffstat (limited to 'results/classifier/gemma3:12b/hypervisor/742')
| -rw-r--r-- | results/classifier/gemma3:12b/hypervisor/742 | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/hypervisor/742 b/results/classifier/gemma3:12b/hypervisor/742 new file mode 100644 index 00000000..102dfab6 --- /dev/null +++ b/results/classifier/gemma3:12b/hypervisor/742 @@ -0,0 +1,45 @@ + +Cache Layout wrong on many Zen Arch CPUs +Description of problem: +This is `coreinfo -l` when running Windows as host: + + + +This is `coreinfo -l` when running the same Windows as guest with 6 cores and 6 threads (half of each): + + +Steps to reproduce: +1. You need a AMD Ryzen 3900X. It has an L3 cache over 3 cores +2. Use `-cpu host,+topoext,host-cache-info=on` +3. Use `coreinfo -l` to see how the L3 cache is distributed +Additional information: +1. When running without `host-cache-info=on` then the L3 cache is spread on all the cpus. +2. `lscpu -e`: + +``` +CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE MAXMHZ MINMHZ MHZ + 0 0 0 0 0:0:0:0 yes 4672.0698 2200.0000 3800.000 + 1 0 0 1 1:1:1:0 yes 4672.0698 2200.0000 3800.000 + 2 0 0 2 2:2:2:0 yes 4672.0698 2200.0000 3800.000 + 3 0 0 3 4:4:4:1 yes 4672.0698 2200.0000 3800.000 + 4 0 0 4 5:5:5:1 yes 4672.0698 2200.0000 3800.000 + 5 0 0 5 6:6:6:1 yes 4672.0698 2200.0000 3800.000 + 6 0 0 6 8:8:8:2 yes 4672.0698 2200.0000 3800.000 + 7 0 0 7 9:9:9:2 yes 4672.0698 2200.0000 3610.580 + 8 0 0 8 10:10:10:2 yes 4672.0698 2200.0000 3800.000 + 9 0 0 9 12:12:12:3 yes 4672.0698 2200.0000 3800.000 + 10 0 0 10 13:13:13:3 yes 4672.0698 2200.0000 3800.000 + 11 0 0 11 14:14:14:3 yes 4672.0698 2200.0000 3800.000 + 12 0 0 0 0:0:0:0 yes 4672.0698 2200.0000 3800.000 + 13 0 0 1 1:1:1:0 yes 4672.0698 2200.0000 3800.000 + 14 0 0 2 2:2:2:0 yes 4672.0698 2200.0000 3800.000 + 15 0 0 3 4:4:4:1 yes 4672.0698 2200.0000 3800.000 + 16 0 0 4 5:5:5:1 yes 4672.0698 2200.0000 3800.000 + 17 0 0 5 6:6:6:1 yes 4672.0698 2200.0000 3800.000 + 18 0 0 6 8:8:8:2 yes 4672.0698 2200.0000 3800.000 + 19 0 0 7 9:9:9:2 yes 4672.0698 2200.0000 3800.000 + 20 0 0 8 10:10:10:2 yes 4672.0698 2200.0000 3800.000 + 21 0 0 9 12:12:12:3 yes 4672.0698 2200.0000 3800.000 + 22 0 0 10 13:13:13:3 yes 4672.0698 2200.0000 3800.000 + 23 0 0 11 14:14:14:3 yes 4672.0698 2200.0000 3800.000 +``` |