am i doing something wrong? i have processor with AES-NI support.
I've seen a lot of tests showing AES encryption performance to be in order of 1GB/s or more.
actual #mdconfig -a malloc -s2g #geli init -s 4096 /dev/md0 #geli attach /dev/md0 #dd if=/dev/zero of=/dev/md0.eli dd: /dev/md0.eli: short write on character device dd: /dev/md0.eli: end of device 32768+0 records in 32767+1 records out 2147479552 bytes transferred in 14.199564 secs (151235598 bytes/sec) #dd if=/dev/md0.eli of=/dev/zero bs=64k 32767+1 records in 32767+1 records out 2147479552 bytes transferred in 13.201660 secs (162667389 bytes/sec) so 150-160MB/s still faster than encryption without AES-NI but quite a slow. data from kernel CPU: Intel(R) Xeon(R) CPU E31220 @ 3.10GHz (3100.03-MHz K8-class CPU) Origin = "GenuineIntel" Id = 0x206a7 Family = 6 Model = 2a Stepping = 7 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=0x17bae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,AVX> AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM> AMD Features2=0x1<LAHF> TSC: P-state invariant aesni0: <AES-CBC,AES-XTS> on motherboard GEOM_ELI: Encryption: AES-XTS 128 _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
