Hi. I tried what you said. Both recvspace and sendspace were set to 16384. I set both of them to 131070 and tried iperf again. It wasn't any faster.
Thanks, Gabe On Mon, May 31, 2010 at 10:44 PM, jean-philippe luiggi <j...@didconcept.com> wrote: > Hello, > > Please check the result of : > > #sysctl -a | grep tcp.*space > > If the result is "65535" then increase the value to "131070" and run 'iperf' again. > > > Cheers, > > Jean-Philippe. > > > > > > * Gabriel Read <gabe2...@gmail.com> [2010-05-25 02:19:57 -0400]: > >> Using iperf, I get around 300 mbits/s. between my openbsd machine and >> my windows xp machine and also to my imac with os x. I tried the >> kernel tweaks mentioned here: >> https://calomel.org/network_performance.html, but they did not help a >> whole lot (before tweaks I was getting around 220 mbits/s). >> >> In comparison, the same machine running ubuntu 10.4 server edition >> gets around 880 mbits/s according to iperf. Are there any other >> things I can try? Is this possibly a limitation of the openbsd >> driver? >> >> One last thing to note: for the heck of it, I tried an intel pro 1000 >> pci card and the results were about the same, around 200-300 mbits/s. >> I don't have the card in it at the moment so I don't have a dmesg with >> it. This makes me think that it might not be specific to the driver. >> In the bios, I have the option of disabling hyper-threading for the >> atom processor (it is enabled by default and was setup with bsd.mp). >> I turned off hyper-threading and booted up the generic >> single-processor kernel and the results didn't change. >> >> Any help would be apreciated. >> Thanks, Gabe Read >> >> Here is my dmesg output: >> >> OpenBSD 4.7 (GENERIC) #558: Wed Mar 17 20:46:15 MDT 2010 >> dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC >> cpu0: Intel(R) Atom(TM) CPU N270 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz >> cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,A CPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,EST,TM2,xTPR >> real mem = 1061453824 (1012MB) >> avail mem = 1019740160 (972MB) >> mainbus0 at root >> bios0 at mainbus0: AT/286+ BIOS, date 03/06/09, SMBIOS rev. 2.6 @ >> 0xe91f0 (42 entries) >> bios0: vendor Intel Corp. version "JT94510H.86A.0025.2009.0306.1639" >> date 03/06/2009 >> bios0: Intel Corporation D945GSEJT >> acpi0 at bios0: rev 2 >> acpi0: tables DSDT FACP APIC MCFG SSDT SSDT SSDT SSDT >> acpi0: wakeup devices P0P2(S4) PEGP(S4) USB0(S3) USB1(S3) USB2(S3) >> USB3(S3) EHCI(S3) MC97(S4) P0P1(S4) PS2K(S3) PS2M(S3) UAR1(S3) >> UAR2(S3) P0P4(S4) P0P5(S4) P0P6(S4) PWRB(S3) >> acpitimer0 at acpi0: 3579545 Hz, 24 bits >> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat >> cpu0 at mainbus0: apid 0 (boot processor) >> cpu0: apic clock running at 133MHz >> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins >> acpiprt0 at acpi0: bus 0 (PCI0) >> acpiprt1 at acpi0: bus -1 (P0P2) >> acpiprt2 at acpi0: bus 5 (P0P1) >> acpiprt3 at acpi0: bus 1 (P0P4) >> acpiprt4 at acpi0: bus 2 (P0P5) >> acpicpu0 at acpi0: C3, C2, C1, PSS >> acpibtn0 at acpi0: PWRB >> acpivideo0 at acpi0: IGD_ >> acpivout0 at acpivideo0: DD01 >> acpivout1 at acpivideo0: DD02 >> acpivout2 at acpivideo0: DD03 >> acpivout3 at acpivideo0: DD04 >> bios0: ROM list: 0xc0000/0xec00! 0xcf000/0x1000 >> cpu0: Enhanced SpeedStep 1597 MHz: speeds: 1600, 1333, 1067, 800 MHz >> pci0 at mainbus0 bus 0: configuration mode 1 (bios) >> pchb0 at pci0 dev 0 function 0 "Intel 82945GME Host" rev 0x03 >> vga1 at pci0 dev 2 function 0 "Intel 82945GME Video" rev 0x03 >> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) >> wsdisplay0: screen 1-5 added (80x25, vt100 emulation) >> intagp0 at vga1 >> agp0 at intagp0: aperture at 0xd0000000, size 0x10000000 >> inteldrm0 at vga1: apic 2 int 16 (irq 11) >> drm0 at inteldrm0 >> "Intel 82945GM Video" rev 0x03 at pci0 dev 2 function 1 not configured >> azalia0 at pci0 dev 27 function 0 "Intel 82801GB HD Audio" rev 0x02: >> apic 2 int 16 (irq 11) >> azalia0: codecs: Realtek ALC662 >> audio0 at azalia0 >> ppb0 at pci0 dev 28 function 0 "Intel 82801GB PCIE" rev 0x02 >> pci1 at ppb0 bus 1 >> re0 at pci1 dev 0 function 0 "Realtek 8168" rev 0x03: RTL8168D/8111D >> (0x2800), apic 2 int 16 (irq 11), address 00:1c:c0:df:45:73 >> rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2 >> ppb1 at pci0 dev 28 function 1 "Intel 82801GB PCIE" rev 0x02 >> pci2 at ppb1 bus 2 >> ppb2 at pci0 dev 28 function 2 "Intel 82801GB PCIE" rev 0x02 >> pci3 at ppb2 bus 3 >> ppb3 at pci0 dev 28 function 3 "Intel 82801GB PCIE" rev 0x02 >> pci4 at ppb3 bus 4 >> uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x02: apic 2 >> int 23 (irq 10) >> uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x02: apic 2 >> int 19 (irq 11) >> uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x02: apic 2 >> int 18 (irq 7) >> uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x02: apic 2 >> int 16 (irq 11) >> ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x02: apic 2 >> int 23 (irq 10) >> ehci0: timed out waiting for BIOS >> usb0 at ehci0: USB revision 2.0 >> uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 >> ppb4 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xe2 >> pci5 at ppb4 bus 5 >> ichpcib0 at pci0 dev 31 function 0 "Intel 82801GBM LPC" rev 0x02: PM disabled >> pciide0 at pci0 dev 31 function 1 "Intel 82801GB IDE" rev 0x02: DMA, >> channel 0 configured to compatibility, channel 1 configured to >> compatibility >> pciide0: channel 0 disabled (no drives) >> pciide0: channel 1 disabled (no drives) >> pciide1 at pci0 dev 31 function 2 "Intel 82801GBM SATA" rev 0x02: DMA, >> channel 0 configured to native-PCI, channel 1 configured to native-PCI >> pciide1: using apic 2 int 19 (irq 11) for native-PCI interrupt >> wd0 at pciide1 channel 0 drive 0: <WDC WD3200AAKS-00YGA0> >> wd0: 16-sector PIO, LBA48, 305245MB, 625142448 sectors >> atapiscsi0 at pciide1 channel 0 drive 1 >> scsibus0 at atapiscsi0: 2 targets >> cd0 at scsibus0 targ 0 lun 0: <HL-DT-ST, DVD-ROM GDRH20N, 0D04> ATAPI >> 5/cdrom removable >> wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 6 >> cd0(pciide1:0:1): using PIO mode 4, Ultra-DMA mode 5 >> ichiic0 at pci0 dev 31 function 3 "Intel 82801GB SMBus" rev 0x02: apic >> 2 int 19 (irq 11) >> iic0 at ichiic0 >> spdmem0 at iic0 addr 0x50: 1GB DDR2 SDRAM non-parity PC2-5300CL5 SO-DIMM >> usb1 at uhci0: USB revision 1.0 >> uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1 >> usb2 at uhci1: USB revision 1.0 >> uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1 >> usb3 at uhci2: USB revision 1.0 >> uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1 >> usb4 at uhci3: USB revision 1.0 >> uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1 >> isa0 at ichpcib0 >> isadma0 at isa0 >> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo >> com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo >> pckbc0 at isa0 port 0x60/5 >> pckbd0 at pckbc0 (kbd slot) >> pckbc0: using irq 1 for kbd slot >> wskbd0 at pckbd0: console keyboard, using wsdisplay0 >> pcppi0 at isa0 port 0x61 >> midi0 at pcppi0: <PC speaker> >> spkr0 at pcppi0 >> lpt0 at isa0 port 0x378/4 irq 7 >> npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 >> mtrr: Pentium Pro MTRR support >> vscsi0 at root >> scsibus1 at vscsi0: 256 targets >> softraid0 at root >> root on wd0a swap on wd0b dump on wd0b >> >> >> ** ACCEPT: CRM114 PASS osb unique microgroom Matcher ** >> CLASSIFY succeeds; success probability: 1.0000 pR: 15.0348 >> Best match to file #0 (nonspam.css) prob: 1.0000 pR: 15.0348 >> Total features in input file: 3472 >> #0 (nonspam.css): features: 703149, hits: 3046718, prob: 1.00e+00, pR: 15.03 >> #1 (spam.css): features: 645263, hits: 3037051, prob: 9.23e-16, pR: -15.03
