![]() | |||||||||||||
Messages in this thread |
Hi. From: Ingo Molnar <mingo@elte.hu> Subject: Re: [patch] O(1) scheduler, -D1, 2.5.2-pre9, 2.4.17 Date: Wed, 9 Jan 2002 12:37:46 +0100 (CET) [...] > 2.5.2-pre10-vanilla running the test at the default priority level: > > # ./chat_s 127.0.0.1 > # ./chat_c 127.0.0.1 10 1000 > > Average throughput : 124676 messages per second > Average throughput : 102244 messages per second > Average throughput : 115841 messages per second > > [ system is unresponsive at the start of the test, but > once the 2.5.2-pre10 load-estimator establishes which task is > interactive and which one is not, the system becomes usable. > Load can be felt and there are frequent delays in commands. ] > > 2.5.2-pre10-vanilla running at nice level 19: > > # nice -n 19 ./chat_s 127.0.0.1 > # nice -n 19 ./chat_c 127.0.0.1 10 1000 > > Average throughput : 214626 messages per second > Average throughput : 220876 messages per second > Average throughput : 225529 messages per second > > [ system is usable from the beginning - nice levels are working as > expected. Load can be felt while executing shell commands, but the > system is usable. Load cannot be felt in truly interactive > applications like editors. > > Summary of throughput results: 2.5.2-pre10-vanilla is equivalent > throughput-wise in the test with your patched kernel, but the vanilla > kernel is about 100% faster than your patched kernel when running reniced. Could someone tell a non-kernel-hacker why this benchmark is nearly twice as fast when running reniced??? Shouldn't it be slower when it runs with lower priority (And you execute / type some commands during it)? [...] > Ingo k33p h4ck1n6 René -- René Rebe (Registered Linux user: #248718 <http://counter.li.org>) eMail: rene.rebe@gmx.net rene@rocklinux.org Homepage: http://www.tfh-berlin.de/~s712059/index.html Anyone sending unwanted advertising e-mail to this address will be charged $25 for network traffic and computing time. By extracting my address from this message or its header, you agree to these terms. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2005-03-22 12:15 [W:0.565 / U:0.000 seconds] ©2003-2008 Jasper Spaans | |||||||||||||