On Thu, 15 Mar 2001, Manfred Spraul wrote: > I've attached a patch. > I tried to trigger the problem with my 10 MBit ne2k-pci connection, but > without success. > > Could you try it? > I've tested it with -ac17, and it applies to 2.4.2 cleanly. On 2.4.2: Before: ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 atm -> 0.90 ttcp-t: socket ttcp-t: 16777216 bytes in 3.829257 real seconds = 4278.636822 KB/sec (35.050593 Mb/sec) After either of your patches, the result was the same, sorry. I tried to apply the patch to 2.4.3 and still got the better result with it, altought compiling kernel still improved the performance. First: [root@ropogw test]# ./ttcp_atm -t -a -s 0.90 ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 atm -> 0.90 ttcp-t: socket ttcp-t: 16777216 bytes in 1.994121 real seconds = 8216.151377 KB/sec (67.306712 Mb/sec) [root@ropogw test]# ./ttcp_atm -t -a -s 0.90 ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 atm -> 0.90 ttcp-t: socket ttcp-t: 16777216 bytes in 1.995773 real seconds = 8209.350462 KB/sec (67.250999 Mb/sec) [root@ropogw test]# ./ttcp_atm -t -a -s 0.90 ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 atm -> 0.90 ttcp-t: socket ttcp-t: 16777216 bytes in 1.989680 real seconds = 8234.489968 KB/sec (67.456942 Mb/sec) (start to compile kernel on other console) [root@ropogw test]# ./ttcp_atm -t -a -s 0.90 ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 atm -> 0.90 ttcp-t: socket ttcp-t: 16777216 bytes in 1.072744 real seconds = 15272.982184 KB/sec (125.116270 Mb/sec) [root@ropogw test]# ./ttcp_atm -t -a -s 0.90 ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 atm -> 0.90 ttcp-t: socket ttcp-t: 16777216 bytes in 1.140261 real seconds = 14368.640162 KB/sec (117.70790 I also applied it the test to the 3com card: Before kernel compiling, patch applied or not: ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 udp -> not.for.your.eyes ttcp-t: socket ttcp-t: 16777216 bytes in 2.218013 real seconds = 7386.791691 KB/sec (60.512598 Mb/sec) ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5013 udp -> not.for.your.eyes ttcp-t: socket ttcp-t: 16777216 bytes in 1.428264 real seconds = 11471.268617 KB/sec (93.972633 Mb/sec) Thanks, Sampsa Ranta sampsa@netsonic.fi - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org
