GELI performance on Atom D525

[Claude Buisson]

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 Buisson