[zeromq-dev] WSAWaitForMultipleEvents versus WSAPoll

[Steven McCoy]

On 30 October 2010 12:14, Steven McCoy <steven.mccoy at miru.hk> wrote:

> *After with WSAPoll() yields these results,*
>
> 2010-10-30 11:51:01 : s=10045.6 avg=4720.5 min=183.0 max=20277.0 stddev=3859.8
> us o=85.20 i=85.19 mbit
> 2010-10-30 11:51:03 : s=9997.6 avg=4352.9 min=182.0 max=15150.0
> stddev=3189.8 us o=84.78 i=84.78 mbit
> 2010-10-30 11:51:05 : s=10030.7 avg=4222.4 min=178.0 max=16485.0
> stddev=3331.1 us o=85.06 i=85.06 mbit
> 2010-10-30 11:51:07 : s=10026.9 avg=3161.6 min=178.0 max=13648.0
> stddev=2801.2 us o=85.03 i=85.03 mbit
> 2010-10-30 11:51:09 : s=9926.9 avg=4568.8 min=178.0 max=16016.0
> stddev=3108.5 us o=84.18 i=84.18 mbit
> 2010-10-30 11:51:11 : s=10037.2 avg=4627.8 min=186.0 max=18744.0
> stddev=3405.0 us o=85.12 i=85.12 mbit
> 2010-10-30 11:51:13 : s=9957.0 avg=11790.4 min=180.0 max=42707.0
> stddev=9622.7 us o=84.44 i=84.44 mbit
> 2010-10-30 11:51:15 : s=9985.7 avg=7290.3 min=183.0 max=22407.0
> stddev=4977.6 us o=84.69 i=84.68 mbit
> 2010-10-30 11:51:17 : s=10023.0 avg=5165.2 min=185.0 max=22363.0
> stddev=3918.1 us o=85.01 i=84.99 mbit
> 2010-10-30 11:51:19 : s=10033.4 avg=4446.6 min=182.0 max=21381.0
> stddev=3632.9 us o=85.10 i=85.08 mbit
> 2010-10-30 11:51:21 : s=9988.9 avg=2430.0 min=181.0 max=12344.0
> stddev=2104.8 us o=84.72 i=84.71 mbit
> 2010-10-30 11:51:23 : s=9960.4 avg=4805.9 min=187.0 max=21428.0
> stddev=3744.7 us o=84.47 i=84.46 mbit
> 2010-10-30 11:51:25 : s=10033.4 avg=5808.9 min=179.0 max=20414.0
> stddev=4316.2 us o=85.09 i=85.08 mbit
> 2010-10-30 11:51:27 : s=9895.6 avg=7602.8 min=181.0 max=34578.0
> stddev=6773.5 us o=83.91 i=83.91 mbit
> 2010-10-30 11:51:29 : s=10063.9 avg=6295.6 min=178.0 max=32367.0
> stddev=6068.1 us o=85.35 i=85.34 mbit
> 2010-10-30 11:51:31 : s=10061.2 avg=5387.2 min=179.0 max=20160.0
> stddev=4298.6 us o=85.33 i=85.32 mbit
>
>
*With select(),*

2010-10-30 12:39:44 : s=9994.2 avg=3073.9 min=179.0 max=16093.0 stddev=
2850.6 us o=84.76 i=84.75 mbit
2010-10-30 12:39:46 : s=9990.8 avg=3435.2 min=178.0 max=14123.0
stddev=2792.3 us o=84.72 i=84.72 mbit
2010-10-30 12:39:48 : s=10028.9 avg=3032.6 min=176.0 max=12768.0
stddev=2548.4 us o=85.04 i=85.05 mbit
2010-10-30 12:39:50 : s=9990.8 avg=2429.8 min=177.0 max=12315.0
stddev=2185.4 us o=84.73 i=84.72 mbit
2010-10-30 12:39:52 : s=9978.1 avg=2848.9 min=180.0 max=13519.0
stddev=2414.9 us o=84.61 i=84.61 mbit
2010-10-30 12:39:54 : s=10018.0 avg=2433.7 min=180.0 max=12438.0
stddev=2182.2 us o=84.97 i=84.95 mbit
2010-10-30 12:39:56 : s=10001.8 avg=2510.9 min=178.0 max=11805.0
stddev=2145.7 us o=84.82 i=84.81 mbit
2010-10-30 12:39:58 : s=9961.9 avg=3245.3 min=185.0 max=18030.0
stddev=3268.8 us o=84.49 i=84.48 mbit
2010-10-30 12:40:00 : s=9990.4 avg=4107.7 min=185.0 max=17323.0
stddev=3484.1 us o=84.72 i=84.72 mbit
2010-10-30 12:40:02 : s=10027.9 avg=3221.8 min=178.0 max=17952.0
stddev=3026.4 us o=85.03 i=85.04 mbit
2010-10-30 12:40:04 : s=10002.7 avg=3141.4 min=177.0 max=13104.0
stddev=2483.1 us o=84.84 i=84.82 mbit

Is it better or worse?  Doesn't look as bad as WSAPoll() but the average
still looks worse than WSAWaitForMultipleEvents().

-- 
Steve-o
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.zeromq.org/pipermail/zeromq-dev/attachments/20101030/7d741eb5/attachment.htm>