[Bug 2009544] Re: OpenSSL 3 performance regression

[Rafael Lopez]

Also, when replacing the distro libssl and libcrypto with ones built
from upstream master, there is a massive improvement, close to 1.1 perf:

1core/1G:
root at jammy-vm:~# /usr/bin/time -f "\n\nElapsed: %e s" python3 main.py
Distro: Ubuntu 22.04.2 LTS
Python Version: 3.10.6 (main, May 29 2023, 11:10:38) [GCC 11.3.0]
OpenSSL Version: OpenSSL 3.2.0-dev 
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 

Elapsed: 2.15 s
root at jammy-vm:~#


8core/4G:
root at ssljammy-vm1:~# /usr/bin/time -f "\n\nElapsed: %e s" python3 main.py
Distro: Ubuntu 22.04.2 LTS
Python Version: 3.10.6 (main, May 29 2023, 11:10:38) [GCC 11.3.0]
OpenSSL Version: OpenSSL 3.2.0-dev 
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 

Elapsed: 1.87 s
root at ssljammy-vm1:~#

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https://bugs.launchpad.net/bugs/2009544

Title:
  OpenSSL 3 performance regression

Status in openssl package in Ubuntu:
  Confirmed

Bug description:
  Hello, it sounds like there's some significant performance regressions
  in OpenSSL 3:

  https://github.com/openssl/openssl/issues/20286#issuecomment-1438826816

  Some we might be able to address with:
  https://github.com/openssl/openssl/pull/18151

  Some of the performance differences may be subject to ongoing work.

  Thanks

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