Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270977AbTG1W3H (ORCPT ); Mon, 28 Jul 2003 18:29:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271120AbTG1W3H (ORCPT ); Mon, 28 Jul 2003 18:29:07 -0400 Received: from aneto.able.es ([212.97.163.22]:14780 "EHLO aneto.able.es") by vger.kernel.org with ESMTP id S270977AbTG1W3C (ORCPT ); Mon, 28 Jul 2003 18:29:02 -0400 Date: Tue, 29 Jul 2003 00:28:53 +0200 From: "J.A. Magallon" To: Lista Linux-Kernel Cc: "Feldman, Scott" Subject: e1000 performance Message-ID: <20030728222853.GA2446@werewolf.able.es> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: 7BIT X-Mailer: Balsa 2.0.12 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2660 Lines: 58 Hi. I think I am getting weird performace with e1000 in 2.4.22-pre. NetPipe gives this numbers for e1000: Node receiver... Master transmitter... Latency: 0.000040 Now starting main loop 0: 4096 bytes 7 times --> 264.18 Mbps in 0.000118 sec 1: 8192 bytes 7 times --> 397.55 Mbps in 0.000157 sec 2: 12288 bytes 795 times --> 475.30 Mbps in 0.000197 sec 3: 16384 bytes 845 times --> 524.12 Mbps in 0.000238 sec 4: 20480 bytes 786 times --> 566.84 Mbps in 0.000276 sec 5: 24576 bytes 725 times --> 586.49 Mbps in 0.000320 sec 6: 28672 bytes 651 times --> 605.81 Mbps in 0.000361 sec 7: 32768 bytes 593 times --> 618.25 Mbps in 0.000404 sec 8: 36864 bytes 540 times --> 579.82 Mbps in 0.000485 sec 9: 40960 bytes 458 times --> 579.72 Mbps in 0.000539 sec 10: 45056 bytes 417 times --> 565.82 Mbps in 0.000608 sec 11: 49152 bytes 374 times --> 569.07 Mbps in 0.000659 sec 12: 53248 bytes 347 times --> 576.62 Mbps in 0.000705 sec 13: 57344 bytes 327 times --> 584.06 Mbps in 0.000749 sec 14: 61440 bytes 309 times --> 587.31 Mbps in 0.000798 sec 15: 65536 bytes 292 times --> 592.25 Mbps in 0.000844 sec 16: 69632 bytes 277 times --> 577.42 Mbps in 0.000920 sec 17: 73728 bytes 255 times --> 566.39 Mbps in 0.000993 sec 18: 77824 bytes 237 times --> Hardware: 03:01.0 Ethernet controller: Intel Corp. 82543GC Gigabit Ethernet Controller (Copper) (rev 02) Kernel is 2.4.22-pre8, patch for MMX/SSE checksums applied: Measuring network checksumming speed basic : 768.000 MB/sec simple : 665.600 MB/sec func 3Dnow! skipped: not supported by CPU func AMD-MMX skipped: not supported by CPU SSE1+ : 819.200 MB/sec csum: using csum function: SSE1+ basic : 537.600 MB/sec simple : 537.600 MB/sec func AMD-MMX skipped: not supported by CPU SSE1+ : 588.800 MB/sec SSE1 : 691.200 MB/sec csum: using csum_copy function: SSE1 No modules parameters for e1000 (default behaviour), no mtu changes, nothing. Any ideas to up performance ? TIA -- J.A. Magallon \ Software is like sex: werewolf.able.es \ It's better when it's free Mandrake Linux release 9.2 (Cooker) for i586 Linux 2.4.22-pre8-jam1m (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-0.6mdk)) - 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/