So, at the request of bmilekic, I ran netpipe on a hyperthreading box (non hyperthreading, I'll do when I can turn it off in BIOS next time I'm down there)
however, I got a hint to turn machdep.cpu_idle_hlt on. Dmesg: (With Hyperthreading) CPU: Pentium 4 (1796.94-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf27 Stepping = 7 Features=0xffffffffbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P GE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,<b31>> real memory = 1073217536 (1023 MB) avail memory = 1034719232 (986 MB) Programming 24 pins in IOAPIC #0 IOAPIC #0 intpin 2 -> irq 0 Programming 24 pins in IOAPIC #1 Programming 24 pins in IOAPIC #2 FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs cpu0 (BSP): apic id: 0, version: 0x00050014, at 0xfee00000 cpu1 (AP): apic id: 6, version: 0x00050014, at 0xfee00000 cpu2 (AP): apic id: 1, version: 0x00050014, at 0xfee00000 cpu3 (AP): apic id: 7, version: 0x00050014, at 0xfee00000 io0 (APIC): apic id: 2, version: 0x00178020, at 0xfec00000 io1 (APIC): apic id: 3, version: 0x00178020, at 0xfec80000 io2 (APIC): apic id: 4, version: 0x00178020, at 0xfec80400 I tested with machdep.cpu_idle_hlt=0 and machdep.cpu_idle_hlt=1 The results are here: http://bsdunix.net/performance all information on what command line options I used is in there. the difference with it on is pretty substantial, might be worth noting in tuning(7) -Trish -- Trish Lynch [EMAIL PROTECTED] Ecartis Core Team [EMAIL PROTECTED] EFNet IRC Operator @ efnet.demon.co.uk AilleCat@EFNet Key fingerprint = 781D 2B47 AA4B FC88 B919 0CD6 26B2 1D62 6FC1 FF16 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
