Date: Sun, 06 Jan 2013 00:07:52 +0100 From: Claude Buisson <clbuisson@orange.fr> To: Wiktor Niesiobedzki <bsd@vink.pl>, stable@freebsd.org Subject: Re: GELI performance on Atom D525 Message-ID: <50E8B248.30709@orange.fr> In-Reply-To: <CAH17caVWBaJNwV_Nq1j-u3n%2B5vMS7qRfuCprfLowrsNgFvPM6g@mail.gmail.com> References: <CAH17caVWBaJNwV_Nq1j-u3n%2B5vMS7qRfuCprfLowrsNgFvPM6g@mail.gmail.com>
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On 01/05/2013 22:58, Wiktor Niesiobedzki wrote: > Hi, > > Can anyone with access to Atom D525 processor can do a performance check for me: > # kldload geom_eli > # kldload geom_zero > # sysctl kern.geom.zero.clear=0 > # geli onetime -s 4096 -l 256 -e aes-cbc gzero > # dd if=/dev/gzero.eli of=/dev/null bs=1m count=4096 > # geli kill gzero > # geli onetime -s 4096 -l 256 -e aes-xts gzero > # dd if=/dev/gzero.eli of=/dev/null bs=1m count=4096 > > I'm interested in dd outputs ofcourse. I would like to compare this to > VIA Esther processor 1000MHz, which has padlock AES accelerator. > > My results are: > > AES-CBC: > 4294967296 bytes transferred in 31.805894 secs (135036836 bytes/sec) > > AES-XTS: > 4294967296 bytes transferred in 765.232668 secs (5612629 bytes/sec) > > > Anyone can provide the results for Atom D525? > FreeBSD 9.1-STABLE (svn 243788) CPU: Intel(R) Atom(TM) CPU D525 @ 1.80GHz (1795.75-MHz K8-class CPU) Origin = "GenuineIntel" Id = 0x106ca Family = 0x6 Model = 0x1c Stepping = 10 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=0x40e31d<SSE3,DTES64,MON,DS_CPL,TM2,SSSE3,CX16,xTPR,PDCM,MOVBE> AMD Features=0x20100800<SYSCALL,NX,LM> AMD Features2=0x1<LAHF> TSC: P-state invariant, performance statistics real memory = 4294967296 (4096 MB) avail memory = 4083802112 (3894 MB) Event timer "LAPIC" quality 400 ACPI APIC Table: <032111 APIC1732> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 HTT threads cpu0 (BSP): APIC ID: 0 cpu1 (AP/HT): APIC ID: 1 cpu2 (AP): APIC ID: 2 cpu3 (AP/HT): APIC ID: 3 # kldload geom_eli # kldload geom_zero # sysctl kern.geom.zero.clear=0 kern.geom.zero.clear: 1 -> 0 # geli onetime -s 4096 -l 256 -e aes-cbc gzero # dd if=/dev/gzero.eli of=/dev/null bs=1m count=4096 4096+0 records in 4096+0 records out 4294967296 bytes transferred in 245.828912 secs (17471368 bytes/sec) # geli kill gzero # geli onetime -s 4096 -l 256 -e aes-xts gzero # dd if=/dev/gzero.eli of=/dev/null bs=1m count=4096 4096+0 records in 4096+0 records out 4294967296 bytes transferred in 291.027184 secs (14757959 bytes/sec) > Cheers, > > Wiktor Niesiobedzki Claude Buissonhelp
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