Comment 5 for bug 2009544

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@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@jammy-vm:~#

8core/4G:
root@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@ssljammy-vm1:~#