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Open Source and information security mailing list archives
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Date: Wed, 12 Dec 2007 17:39:22 +0100 From: "Olivér Pintér" <oliver.pntr@...il.com> To: "Rene Herman" <rene.herman@...il.com> Cc: "Linux Kernel" <linux-kernel@...r.kernel.org>, dpreed@...d.com, "Alan Cox" <alan@...rguk.ukuu.org.uk>, pavel@....cz, andi@...stfloor.org, rol@...917.net, "Krzysztof Halasa" <khc@...waw.pl>, david@...idnewall.com, hpa@...or.com, john@...ffel.org, linux-os@...logic.com Subject: [RFT] Port 0x80 I/O speed pancs:/tmp# for((i=0;i<20;i++)); do ./port80; done cycles: out 4098, in 2532 cycles: out 3951, in 2389 cycles: out 4043, in 2485 cycles: out 4058, in 2393 cycles: out 4056, in 2509 cycles: out 4063, in 2394 cycles: out 4076, in 2508 cycles: out 4143, in 2395 cycles: out 4062, in 2502 cycles: out 4084, in 2383 cycles: out 4055, in 2510 cycles: out 4228, in 2410 cycles: out 4071, in 2508 cycles: out 4062, in 2502 cycles: out 3982, in 2398 cycles: out 4103, in 2391 cycles: out 4160, in 2404 cycles: out 4010, in 2462 cycles: out 4105, in 2449 cycles: out 4028, in 2477 --------- processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Pentium(R) 4 CPU 3.00GHz stepping : 9 cpu MHz : 3150.045 cache size : 512 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr bogomips : 6303.37 clflush size : 64 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Pentium(R) 4 CPU 3.00GHz stepping : 9 cpu MHz : 3150.045 cache size : 512 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr bogomips : 6300.14 clflush size : 64 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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