Date: Mon, 26 Jan 2009 17:59:11 -0800 From: Julian Elischer <julian@elischer.org> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: networking benchmarks for Vimage Message-ID: <497E6A6F.8060401@elischer.org>
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I have set up a pair of machines which I can boot into either VIMAGE_GLOBAL or normal kernels (otherwise identical). with GB (bge) interfaces between them. I am looking for suggestions as to what tests I should be doing between these machines to be able to assess whether there are any performance differences between these two setups. I will be doing ttcp tests and flood pings and well as nfs copies and ng_ether_echo timings. I'd also like to get some suggestions from others, as to what tests might be useful. Be specific please i.e. {program + arguments to test). The two machines are identical and will always being the same kernel at the same time. basic cpu specs below.. ===================== CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2788.47-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 Features=0xbfebfbff<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,HTT,TM,PBE> Features2=0x4400<CNXT-ID,xTPR> Logical CPUs per core: 2 real memory = 3221094400 (3071 MB) avail memory = 3153461248 (3007 MB) ACPI APIC Table: <DELL PE2650 > ===================== thanks Julian
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