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Diffstat (limited to 'results/classifier/accel-gemma3:12b/kvm/1228285')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/kvm/1228285 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/1228285 b/results/classifier/accel-gemma3:12b/kvm/1228285 new file mode 100644 index 000000000..82f0cb2b5 --- /dev/null +++ b/results/classifier/accel-gemma3:12b/kvm/1228285 @@ -0,0 +1,30 @@ + +e1000 nic TCP performances + +Hi, + +Here is the context : + +$ qemu -name A -m 1024 -net nic vlan=0,model=e1000 -net socket,vlan=0,listen=127.0.0.1:7000 +$ qemu -name B -m 1024 -net nic vlan=0,model=e1000 -net socket,vlan=0,connect=127.0.0.1:7000 + +The bandwidth is really tiny : + + . Iperf3 reports about 30 Mb/sec + . NetPerf reports about 50 Mb/sec + + +With UDP sockets, there is no problem at all : + + . Iperf3 reports about 1 Gb/sec + . NetPerf reports about 950 Mb/sec + + +I've noticed this fact only with the e1000 NIC, not with others (rtl8139,virtio, etc.) +I've used the main GIT version of QEMU. + + +Thanks in advance. + +See you, +VInce \ No newline at end of file |