Re: [RFC PATCH 0/4] Implement multiqueue virtio-net

Krishna Kumar2
2010-09-09T13:16:16Z

Krishna Kumar2/India/IBM wrote on 09/09/2010 03:15:53 PM:

> I will start a full test run of original vs submitted
> code with minimal tuning (Avi also suggested the same),
> and re-send. Please let me know if you need any other
> data.

Same patch, only change is that I ran "taskset -p 03
<all vhost threads>", no other tuning on host or guest.
Default netperf without any options. The BW is the sum
across two iterations, each is 60secs. Guest is started
with 2 txqs.

BW1/BW2: BW for org & new in mbps
SD1/SD2: SD for org & new
RSD1/RSD2: Remote SD for org & new
_______________________________________________________________________________
# BW1 BW2 (%) SD1 SD2 (%) RSD1 RSD2 (%)
_______________________________________________________________________________
1 20903 19422 (-7.08) 1 1 (0) 6 7
(16.66)
2 21963 24330 (10.77) 6 6 (0) 25 25 (0)
4 22042 31841 (44.45) 23 28 (21.73) 102 110 (7.84)
8 21674 32045 (47.84) 97 111 (14.43) 419 421 (.47)
16 22281 31361 (40.75) 379 551 (45.38) 1663 2110
(26.87)
24 22521 31945 (41.84) 857 981 (14.46) 3748 3742 (-.16)
32 22976 32473 (41.33) 1528 1806 (18.19) 6594 6885 (4.41)
40 23197 32594 (40.50) 2390 2755 (15.27) 10239 10450 (2.06)
48 22973 32757 (42.58) 3542 3786 (6.88) 15074 14395
(-4.50)
64 23809 32814 (37.82) 6486 6981 (7.63) 27244 26381
(-3.16)
80 23564 32682 (38.69) 10169 11133 (9.47) 43118 41397
(-3.99)
96 22977 33069 (43.92) 14954 15881 (6.19) 62948 59071
(-6.15)
128 23649 33032 (39.67) 27067 28832 (6.52) 113892 106096
(-6.84)
_______________________________________________________________________________
294534 400371 (35.9) 67504 72858 (7.9) 285077 271096
(-4.9)
_______________________________________________________________________________

I will try more tuning later as Avi suggested, wanted to test
the minimal for now.

Thanks,

- KK