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
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