Hi everyone,
I’d like to ask about the performance of Libgcrypt on ARM architectures.
In my tests, using the same Libgcrypt version on ARMv8 results in performance
that is three times slower, or even more, compared to Intel. Is this expected
behavior? If not, are there any performance-related configuration options or
build switches that I might have overlooked?
I’m using Libgcrypt 1.10.0 in ARMv8, compiled with the default settings.
Arm:
[root@node-2 tests]# ./benchmark --large-buffers --cipher-repetitions 1000
cipher aes256
Running each test 1000 times.
ECB/Stream CBC/Poly1305 CFB OFB
CTR XTS CCM GCM OCB
EAX
--------------- --------------- --------------- ---------------
--------------- --------------- --------------- --------------- ---------------
---------------
AES256 380ms 390ms 1350ms 440ms 1360ms 440ms 1350ms 1360ms
430ms 440ms 530ms 550ms 1820ms 1800ms 680ms 670ms 480ms 480ms
1820ms 1810ms
x86:
[root@node-94 tests]# ./benchmark --large-buffers --cipher-repetitions 1000
cipher aes256
Running each test 1000 times.
ECB/Stream CBC/Poly1305 CFB OFB
CTR XTS CCM GCM OCB
EAX
--------------- --------------- --------------- ---------------
--------------- --------------- --------------- --------------- ---------------
---------------
AES256 80ms 90ms 1050ms 90ms 1040ms 90ms 1250ms 1250ms
90ms 90ms 120ms 130ms 1140ms 1140ms 160ms 160ms 90ms 90ms
1150ms 1140ms
Thanks and regards,
Zhou_______________________________________________
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