[issue1542] bad crypto performance (using openssl)

New submission from Alex Hornung <[e-mail]>:

Results of a few tests on my soekris net5501 box (no, I'm not using the cry=
pto=20
hardware; yes I am sure about that):

-------------------------------------------------------------------------
dragonfly# openssl speed aes-128-cbc
..=2E.
OpenSSL 0.9.8k 25 Mar 2009
built on: Sat Sep 26 09:03:11 BST 2009
options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial)=
=20
blowfish(idx)
..=2E.
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 byt=
es
aes-128 cbc       4072.40k     4231.00k     4268.95k     4291.97k     4283.=
60k
=20
=20
=20
pfSense:~#  openssl speed aes-128-cbc
..=2E.
OpenSSL 0.9.8e 23 Feb 2007
built on: Sun Feb 24 16:11:39 UTC 2008
options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial)=
=20
blowfish(idx)
..=2E.
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 byt=
es
aes-128 cbc       5436.43k     5587.18k     5658.61k     5670.01k     5681.=
02k
=20
=20
=20
dragonfly# dd if=3D/dev/zero bs=3D4k count=3D100000 | openssl enc -aes-128-=
cbc -e -
out /dev/null -nosalt -k abcdefhij
100000+0 records in
100000+0 records out
409600000 bytes transferred in 103.347777 secs (3963317 bytes/sec)
=20
pfSense:~#  dd if=3D/dev/zero bs=3D4k count=3D100000 | openssl enc -aes-128=
-cbc -e -
out /dev/null -nosalt -k abcdefhij
100000+0 records in
100000+0 records out
409600000 bytes transferred in 89.482008 secs (4577457 bytes/sec)

-------------------------------------------------------------------------
Results of the same tests on the same VMWare virtual machine:

dragonfly (openssl compiled with -O2):
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 byt=
es
aes-128 cbc      62175.25k    62713.00k    64060.00k    64069.51k    64250.=
39k

freebsd (seems to be compiled with -O2 -DOPENSSL_THREADS:
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 byt=
es
aes-128 cbc      81097.86k    84583.24k    86055.15k    86210.96k    86484.=
81k

dd:
dragonfly:
409600000 bytes transferred in 7.676454 secs (53357969 bytes/sec)

freebsd:
409600000 bytes transferred in 5.239756 secs (78171577 bytes/sec)

-------------------------------------------------------------------------


And even more, running time -l openssl speed aes-128-cbc:

dragonfly:
aes-128 cbc      62038.39k    62486.35k    64122.89k    64131.56k    64477.=
89k
       15.11 real        15.06 user         0.01 sys
      2144  maximum resident set size
       132  average shared memory size
         7  average unshared data size
        49  average unshared stack size
       448  page reclaims
         0  page faults
         0  swaps
         0  block input operations
         0  block output operations
         0  messages sent
         0  messages received
        10  signals received
         0  voluntary context switches
         0  involuntary context switches

freebsd:
aes-128 cbc      81091.22k    84641.53k    85396.39k    86787.24k    85657.=
43k
       15.26 real        15.08 user         0.01 sys
      2816  maximum resident set size
       368  average shared memory size
       367  average unshared data size
       128  average unshared stack size
       209  page reclaims
         0  page faults
         0  swaps
         0  block input operations
         0  block output operations
         0  messages sent
         0  messages received
         5  signals received
         1  voluntary context switches
      1463  involuntary context switches


----------------------
on a different issue, 0 involuntary context switches? doesn't sound right.

----------
messages: 7501
nosy: alexh
priority: bug
status: unread
title: bad crypto performance (using openssl)

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