deps: aws-lc-rs 1.6.2 -> 1.6.4

[cpu]

Notably this brings in pre-generated bindings for more platforms. See the upstream release notes¹² for more details.

aws-ls-rs diff.rs

Footnotes

1. https://github.com/aws/aws-lc-rs/releases/tag/v1.6.3 ↩

2. https://github.com/aws/aws-lc-rs/releases/tag/v1.6.4 ↩

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.48%. Comparing base (c5d283a) to head (c2fdf44).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1888   +/-   ##
=======================================
  Coverage   95.48%   95.48%           
=======================================
  Files          86       86           
  Lines       18624    18624           
=======================================
  Hits        17784    17784           
  Misses        840      840           

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[rustls-benchmarking]

Benchmark results

Instruction counts

Significant differences

⚠️ There are significant instruction count differences

Click to expand

Scenario	Baseline	Candidate	Diff	Threshold
handshake_no_resume_aws_lc_rs_1.2_rsa_aes_server	12272480	13058474	⚠️ 785994 (6.40%)	0.82%
handshake_no_resume_aws_lc_rs_1.3_rsa_aes_server	12693065	13455465	⚠️ 762400 (6.01%)	0.83%
handshake_no_resume_aws_lc_rs_1.3_rsa_chacha_server	12664730	13423224	⚠️ 758494 (5.99%)	1.39%

Other differences

Click to expand

Scenario	Baseline	Candidate	Diff	Threshold
handshake_tickets_aws_lc_rs_1.2_rsa_aes_server	4424970	4395159	-29811 (-0.67%)	3.20%
handshake_no_resume_aws_lc_rs_1.3_ecdsap384_chacha_client	8674581	8707245	32664 (0.38%)	0.80%
handshake_session_id_aws_lc_rs_1.3_rsa_chacha_server	32285298	32348246	62948 (0.19%)	0.68%
handshake_no_resume_aws_lc_rs_1.3_ecdsap384_aes_client	8678133	8692668	14535 (0.17%)	0.91%
handshake_no_resume_aws_lc_rs_1.3_rsa_aes_client	3378090	3383674	5584 (0.17%)	0.20%
handshake_session_id_aws_lc_rs_1.2_rsa_aes_server	3948548	3954860	6312 (0.16%)	4.03%
handshake_no_resume_aws_lc_rs_1.3_rsa_chacha_client	3389202	3394452	5250 (0.15%)	0.20%
handshake_no_resume_aws_lc_rs_1.2_rsa_aes_client	3174344	3178998	4654 (0.15%)	0.20%
handshake_session_id_aws_lc_rs_1.3_ecdsap384_aes_server	32286127	32330518	44391 (0.14%)	0.20%
handshake_session_id_aws_lc_rs_1.3_ecdsap256_aes_client	30059488	30100394	40906 (0.14%)	0.20%
handshake_session_id_aws_lc_rs_1.3_rsa_chacha_client	30094172	30135103	40931 (0.14%)	0.20%
handshake_tickets_aws_lc_rs_1.3_ecdsap256_chacha_server	32532696	32576926	44230 (0.14%)	0.20%
handshake_tickets_aws_lc_rs_1.3_ecdsap384_chacha_server	32532365	32576421	44056 (0.14%)	0.20%
handshake_tickets_aws_lc_rs_1.3_ecdsap384_aes_server	32545306	32589121	43815 (0.13%)	0.20%
handshake_session_id_aws_lc_rs_1.3_ecdsap256_aes_server	32286540	32329944	43404 (0.13%)	0.20%
handshake_session_id_aws_lc_rs_1.3_ecdsap256_chacha_server	32258353	32301377	43024 (0.13%)	0.20%
handshake_session_id_aws_lc_rs_1.3_ecdsap384_chacha_server	32258001	32300994	42993 (0.13%)	0.20%
handshake_tickets_aws_lc_rs_1.3_ecdsap256_aes_server	32545813	32588837	43024 (0.13%)	0.20%
handshake_tickets_aws_lc_rs_1.3_rsa_chacha_client	30296193	30335960	39767 (0.13%)	0.20%
handshake_tickets_aws_lc_rs_1.3_rsa_aes_client	30308836	30348490	39654 (0.13%)	0.20%
handshake_no_resume_aws_lc_rs_1.3_ecdsap256_aes_client	3362500	3366890	4390 (0.13%)	0.24%
handshake_tickets_aws_lc_rs_1.3_ecdsap256_aes_client	30262516	30302026	39510 (0.13%)	0.20%
handshake_session_id_aws_lc_rs_1.3_rsa_aes_client	30110066	30149256	39190 (0.13%)	0.20%
handshake_session_id_aws_lc_rs_1.3_ecdsap256_chacha_client	30048940	30087953	39013 (0.13%)	0.20%
handshake_tickets_aws_lc_rs_1.3_ecdsap256_chacha_client	30249892	30288388	38496 (0.13%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_rsa_chacha_server	80687129	80602383	-84746 (-0.11%)	0.27%
handshake_session_id_aws_lc_rs_1.3_rsa_aes_server	32283804	32315305	31501 (0.10%)	0.59%
handshake_tickets_aws_lc_rs_1.3_rsa_chacha_server	32559261	32590961	31700 (0.10%)	0.54%
handshake_no_resume_aws_lc_rs_1.3_ecdsap256_aes_server	1887527	1889326	1799 (0.10%)	0.20%
handshake_no_resume_aws_lc_rs_1.3_ecdsap256_chacha_server	1891212	1892640	1428 (0.08%)	0.20%
transfer_no_resume_aws_lc_rs_1.2_rsa_aes_server	46429575	46396791	-32784 (-0.07%)	0.29%
handshake_no_resume_ring_1.3_ecdsap256_aes_server	2134296	2135782	1486 (0.07%)	0.34%
handshake_session_id_aws_lc_rs_1.3_ecdsap384_chacha_client	30087446	30066916	-20530 (-0.07%)	0.39%
handshake_no_resume_aws_lc_rs_1.3_ecdsap384_aes_server	4265599	4267440	1841 (0.04%)	0.20%
handshake_no_resume_aws_lc_rs_1.3_ecdsap384_chacha_server	4270113	4271873	1760 (0.04%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap384_chacha_client	92706560	92669218	-37342 (-0.04%)	0.20%
handshake_no_resume_ring_1.3_ecdsap256_aes_client	3918602	3920172	1570 (0.04%)	0.21%
handshake_no_resume_aws_lc_rs_1.3_ecdsap256_chacha_client	3367604	3368836	1232 (0.04%)	0.20%
handshake_session_id_aws_lc_rs_1.3_ecdsap384_aes_client	30100467	30089761	-10706 (-0.04%)	0.32%
handshake_no_resume_ring_1.3_ecdsap384_aes_server	13739408	13743392	3984 (0.03%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_rsa_aes_server	46425709	46439113	13404 (0.03%)	0.44%
handshake_tickets_aws_lc_rs_1.3_ecdsap384_chacha_client	30280422	30289129	8707 (0.03%)	0.26%
handshake_no_resume_ring_1.3_ecdsap384_chacha_server	13742402	13746196	3794 (0.03%)	0.20%
handshake_tickets_ring_1.2_rsa_aes_server	4660638	4659610	-1028 (-0.02%)	0.20%
handshake_session_id_ring_1.3_ecdsap384_aes_client	41851791	41842654	-9137 (-0.02%)	0.20%
handshake_tickets_aws_lc_rs_1.3_ecdsap384_aes_client	30269225	30275793	6568 (0.02%)	0.41%
handshake_session_id_ring_1.3_ecdsap384_aes_server	43412245	43403922	-8323 (-0.02%)	0.20%
handshake_tickets_aws_lc_rs_1.3_rsa_aes_server	32568470	32562255	-6215 (-0.02%)	0.51%
handshake_tickets_ring_1.2_rsa_aes_client	4514766	4513947	-819 (-0.02%)	0.20%
handshake_session_id_ring_1.2_rsa_aes_client	4247710	4247008	-702 (-0.02%)	0.20%
handshake_tickets_ring_1.3_ecdsap256_aes_client	42032005	42025125	-6880 (-0.02%)	0.20%
handshake_tickets_aws_lc_rs_1.2_rsa_aes_client	4290023	4290666	643 (0.01%)	0.20%
handshake_session_id_ring_1.2_rsa_aes_server	4234888	4235515	627 (0.01%)	0.20%
handshake_no_resume_ring_1.3_ecdsap256_chacha_server	2135719	2135421	-298 (-0.01%)	0.38%
handshake_no_resume_ring_1.3_ecdsap384_chacha_client	35473821	35478120	4299 (0.01%)	0.20%
handshake_no_resume_ring_1.3_ecdsap384_aes_client	35471071	35475233	4162 (0.01%)	0.20%
handshake_tickets_ring_1.3_ecdsap384_aes_client	42039743	42035363	-4380 (-0.01%)	0.20%
handshake_session_id_ring_1.3_ecdsap384_chacha_client	41770312	41766029	-4283 (-0.01%)	0.20%
handshake_tickets_ring_1.3_ecdsap384_aes_server	43693259	43688796	-4463 (-0.01%)	0.20%
handshake_session_id_ring_1.3_ecdsap256_aes_server	43409497	43405570	-3927 (-0.01%)	0.20%
transfer_no_resume_ring_1.3_ecdsap384_aes_server	46462393	46458203	-4190 (-0.01%)	0.20%
handshake_session_id_ring_1.3_ecdsap384_chacha_server	43312976	43309313	-3663 (-0.01%)	0.20%
handshake_session_id_ring_1.3_ecdsap256_chacha_client	41761297	41764641	3344 (0.01%)	0.20%
transfer_no_resume_ring_1.3_ecdsap384_aes_client	58321163	58316645	-4518 (-0.01%)	0.20%
handshake_tickets_ring_1.3_ecdsap256_chacha_client	41962492	41965150	2658 (0.01%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap256_aes_client	58222248	58218836	-3412 (-0.01%)	0.20%
handshake_session_id_ring_1.3_ecdsap256_aes_client	41844017	41841615	-2402 (-0.01%)	0.20%
handshake_no_resume_ring_1.2_rsa_aes_client	4459612	4459371	-241 (-0.01%)	0.20%
transfer_no_resume_ring_1.3_ecdsap384_chacha_server	80515228	80511435	-3793 (-0.00%)	0.20%
handshake_tickets_ring_1.3_ecdsap256_chacha_server	43616186	43618191	2005 (0.00%)	0.20%
transfer_no_resume_ring_1.3_ecdsap384_chacha_client	92653017	92648978	-4039 (-0.00%)	0.20%
handshake_no_resume_ring_1.3_rsa_aes_client	4557376	4557187	-189 (-0.00%)	0.20%
handshake_no_resume_ring_1.3_rsa_chacha_client	4566443	4566612	169 (0.00%)	0.20%
handshake_session_id_aws_lc_rs_1.2_rsa_aes_client	3971855	3971719	-136 (-0.00%)	0.20%
handshake_tickets_ring_1.3_rsa_chacha_client	42020853	42019499	-1354 (-0.00%)	0.20%
handshake_session_id_ring_1.3_rsa_chacha_client	41815061	41813793	-1268 (-0.00%)	0.20%
handshake_session_id_ring_1.3_rsa_chacha_server	43305532	43306652	1120 (0.00%)	0.20%
handshake_tickets_ring_1.3_ecdsap256_aes_server	43688182	43689283	1101 (0.00%)	0.20%
handshake_no_resume_ring_1.3_ecdsap256_chacha_client	3919902	3919819	-83 (-0.00%)	0.20%
handshake_no_resume_ring_1.3_rsa_chacha_server	12252573	12252332	-241 (-0.00%)	0.20%
transfer_no_resume_ring_1.3_ecdsap256_chacha_client	92652672	92654488	1816 (0.00%)	0.20%
handshake_no_resume_ring_1.2_rsa_aes_server	12049358	12049146	-212 (-0.00%)	0.20%
transfer_no_resume_ring_1.3_ecdsap256_aes_server	46454117	46454770	653 (0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap256_chacha_client	92688813	92690072	1259 (0.00%)	0.20%
handshake_session_id_ring_1.3_rsa_aes_server	43404961	43404392	-569 (-0.00%)	0.20%
handshake_session_id_ring_1.3_ecdsap256_chacha_server	43311341	43311746	405 (0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap256_aes_server	46418782	46418366	-416 (-0.00%)	0.20%
handshake_tickets_ring_1.3_rsa_chacha_server	43612767	43613078	311 (0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_rsa_aes_client	58222903	58222546	-357 (-0.00%)	0.20%
handshake_tickets_ring_1.3_ecdsap384_chacha_client	41966726	41966484	-242 (-0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_rsa_chacha_client	92689950	92690471	521 (0.00%)	0.20%
transfer_no_resume_ring_1.3_ecdsap256_aes_client	58319561	58319852	291 (0.00%)	0.20%
transfer_no_resume_ring_1.3_ecdsap256_chacha_server	80509783	80510163	380 (0.00%)	0.20%
handshake_session_id_ring_1.3_rsa_aes_client	41895210	41895015	-195 (-0.00%)	0.20%
transfer_no_resume_ring_1.3_rsa_chacha_client	92653186	92652761	-425 (-0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap256_chacha_server	80608469	80608825	356 (0.00%)	0.20%
handshake_tickets_ring_1.3_rsa_aes_server	43686511	43686682	171 (0.00%)	0.20%
transfer_no_resume_ring_1.3_rsa_aes_server	46457448	46457621	173 (0.00%)	0.20%
handshake_no_resume_ring_1.3_rsa_aes_server	12243361	12243317	-44 (-0.00%)	0.20%
handshake_tickets_ring_1.3_ecdsap384_chacha_server	43615404	43615549	145 (0.00%)	0.20%
transfer_no_resume_ring_1.2_rsa_aes_client	58202627	58202779	152 (0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap384_aes_client	58225738	58225588	-150 (-0.00%)	0.21%
transfer_no_resume_ring_1.3_rsa_chacha_server	80510597	80510783	186 (0.00%)	0.20%
handshake_tickets_ring_1.3_rsa_aes_client	42089582	42089491	-91 (-0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.2_rsa_aes_client	68642243	68642385	142 (0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap384_aes_server	46420265	46420183	-82 (-0.00%)	0.20%
transfer_no_resume_ring_1.3_rsa_aes_client	58320458	58320380	-78 (-0.00%)	0.20%
transfer_no_resume_aws_lc_rs_1.3_ecdsap384_chacha_server	80610107	80610012	-95 (-0.00%)	0.20%
transfer_no_resume_ring_1.2_rsa_aes_server	46338334	46338362	28 (0.00%)	0.20%

Wall-time

Significant differences

⚠️ There are significant wall-time differences

Click to expand

Scenario	Baseline	Candidate	Diff	Threshold
handshake_no_resume_aws_lc_rs_1.2_rsa_aes	1.36 ms	1.40 ms	⚠️ 0.05 ms (3.45%)	1.00%
handshake_no_resume_aws_lc_rs_1.3_rsa_aes	1.41 ms	1.46 ms	⚠️ 0.05 ms (3.38%)	1.00%
handshake_no_resume_aws_lc_rs_1.3_rsa_chacha	1.40 ms	1.45 ms	⚠️ 0.05 ms (3.36%)	1.00%
handshake_session_id_aws_lc_rs_1.2_rsa_aes	2.06 ms	2.11 ms	⚠️ 0.05 ms (2.39%)	1.39%
handshake_tickets_aws_lc_rs_1.2_rsa_aes	2.21 ms	2.26 ms	⚠️ 0.05 ms (2.26%)	1.83%

Other differences

Click to expand

Scenario	Baseline	Candidate	Diff	Threshold
transfer_no_resume_aws_lc_rs_1.3_rsa_aes	5.40 ms	5.48 ms	0.08 ms (1.47%)	3.40%
transfer_no_resume_aws_lc_rs_1.2_rsa_aes	5.40 ms	5.47 ms	0.08 ms (1.39%)	4.04%
handshake_session_id_ring_1.2_rsa_aes	1.64 ms	1.65 ms	0.02 ms (1.08%)	1.49%
handshake_tickets_aws_lc_rs_1.3_rsa_chacha	6.19 ms	6.25 ms	0.06 ms (0.95%)	1.23%
handshake_session_id_aws_lc_rs_1.3_rsa_chacha	6.17 ms	6.22 ms	0.06 ms (0.90%)	1.52%
handshake_session_id_aws_lc_rs_1.3_rsa_aes	6.18 ms	6.23 ms	0.05 ms (0.88%)	1.57%
handshake_tickets_aws_lc_rs_1.3_rsa_aes	6.19 ms	6.24 ms	0.05 ms (0.87%)	1.14%
transfer_no_resume_aws_lc_rs_1.3_ecdsap256_aes	4.45 ms	4.49 ms	0.03 ms (0.74%)	4.59%
handshake_no_resume_aws_lc_rs_1.3_ecdsap256_chacha	471.81 µs	475.20 µs	3.40 µs (0.72%)	2.54%
handshake_no_resume_ring_1.3_ecdsap256_chacha	502.91 µs	506.18 µs	3.27 µs (0.65%)	1.72%
transfer_no_resume_ring_1.3_rsa_aes	6.88 ms	6.92 ms	0.04 ms (0.58%)	1.87%
transfer_no_resume_aws_lc_rs_1.3_ecdsap384_aes	5.17 ms	5.20 ms	0.03 ms (0.57%)	3.83%
transfer_no_resume_ring_1.3_ecdsap256_aes	6.29 ms	6.33 ms	0.04 ms (0.57%)	3.20%
transfer_no_resume_aws_lc_rs_1.3_rsa_chacha	13.88 ms	13.95 ms	0.07 ms (0.53%)	1.09%
handshake_tickets_ring_1.2_rsa_aes	1.73 ms	1.73 ms	0.01 ms (0.51%)	1.33%
transfer_no_resume_ring_1.2_rsa_aes	6.79 ms	6.82 ms	0.03 ms (0.46%)	3.56%
handshake_no_resume_aws_lc_rs_1.3_ecdsap256_aes	472.83 µs	474.93 µs	2.10 µs (0.44%)	2.38%
handshake_no_resume_ring_1.3_ecdsap256_aes	504.39 µs	506.63 µs	2.23 µs (0.44%)	1.34%
transfer_no_resume_ring_1.3_ecdsap384_aes	9.41 ms	9.44 ms	0.03 ms (0.36%)	1.82%
transfer_no_resume_ring_1.3_ecdsap256_chacha	12.95 ms	12.98 ms	0.04 ms (0.29%)	1.49%
handshake_tickets_ring_1.3_ecdsap256_aes	6.78 ms	6.76 ms	-0.02 ms (-0.28%)	1.17%
transfer_no_resume_aws_lc_rs_1.3_ecdsap256_chacha	12.93 ms	12.96 ms	0.03 ms (0.23%)	1.44%
transfer_no_resume_ring_1.3_rsa_chacha	13.54 ms	13.57 ms	0.03 ms (0.22%)	1.36%
transfer_no_resume_aws_lc_rs_1.3_ecdsap384_chacha	13.64 ms	13.67 ms	0.03 ms (0.22%)	1.37%
transfer_no_resume_ring_1.3_ecdsap384_chacha	16.06 ms	16.09 ms	0.03 ms (0.21%)	1.20%
handshake_tickets_ring_1.3_ecdsap256_chacha	6.74 ms	6.73 ms	-0.01 ms (-0.18%)	1.18%
handshake_no_resume_ring_1.3_rsa_aes	1.09 ms	1.09 ms	0.00 ms (0.17%)	1.00%
handshake_session_id_ring_1.3_ecdsap256_chacha	6.71 ms	6.70 ms	-0.01 ms (-0.17%)	1.10%
handshake_session_id_ring_1.3_ecdsap256_aes	6.74 ms	6.73 ms	-0.01 ms (-0.16%)	1.00%
handshake_tickets_aws_lc_rs_1.3_ecdsap384_aes	5.95 ms	5.94 ms	-0.01 ms (-0.10%)	1.23%
handshake_session_id_ring_1.3_ecdsap384_chacha	9.82 ms	9.81 ms	-0.01 ms (-0.09%)	1.00%
handshake_no_resume_ring_1.3_rsa_chacha	1.09 ms	1.09 ms	0.00 ms (0.09%)	1.00%
handshake_tickets_ring_1.3_ecdsap384_aes	9.87 ms	9.87 ms	-0.01 ms (-0.09%)	1.00%
handshake_tickets_aws_lc_rs_1.3_ecdsap256_chacha	5.23 ms	5.23 ms	0.00 ms (0.09%)	1.34%
handshake_tickets_ring_1.3_rsa_chacha	7.34 ms	7.33 ms	-0.01 ms (-0.08%)	1.00%
handshake_no_resume_aws_lc_rs_1.3_ecdsap384_chacha	1.18 ms	1.18 ms	0.00 ms (0.07%)	1.12%
handshake_session_id_ring_1.3_rsa_aes	7.34 ms	7.35 ms	0.01 ms (0.07%)	1.00%
handshake_no_resume_ring_1.3_ecdsap384_chacha	3.61 ms	3.61 ms	0.00 ms (0.06%)	1.00%
handshake_session_id_aws_lc_rs_1.3_ecdsap256_chacha	5.21 ms	5.20 ms	-0.00 ms (-0.06%)	1.81%
handshake_session_id_aws_lc_rs_1.3_ecdsap384_aes	5.93 ms	5.93 ms	-0.00 ms (-0.05%)	1.54%
handshake_no_resume_ring_1.2_rsa_aes	1.07 ms	1.07 ms	0.00 ms (0.05%)	1.00%
handshake_tickets_ring_1.3_ecdsap384_chacha	9.84 ms	9.83 ms	-0.00 ms (-0.04%)	1.00%
handshake_tickets_aws_lc_rs_1.3_ecdsap256_aes	5.23 ms	5.23 ms	0.00 ms (0.03%)	1.58%
handshake_no_resume_ring_1.3_ecdsap384_aes	3.61 ms	3.61 ms	0.00 ms (0.03%)	1.00%
handshake_session_id_aws_lc_rs_1.3_ecdsap256_aes	5.21 ms	5.22 ms	0.00 ms (0.03%)	1.61%
handshake_session_id_ring_1.3_rsa_chacha	7.31 ms	7.31 ms	-0.00 ms (-0.03%)	1.00%
handshake_tickets_aws_lc_rs_1.3_ecdsap384_chacha	5.94 ms	5.94 ms	-0.00 ms (-0.02%)	1.18%
handshake_tickets_ring_1.3_rsa_aes	7.37 ms	7.37 ms	-0.00 ms (-0.02%)	1.00%
handshake_no_resume_aws_lc_rs_1.3_ecdsap384_aes	1.19 ms	1.19 ms	0.00 ms (0.01%)	1.00%
handshake_session_id_aws_lc_rs_1.3_ecdsap384_chacha	5.90 ms	5.90 ms	-0.00 ms (-0.01%)	1.27%
handshake_session_id_ring_1.3_ecdsap384_aes	9.83 ms	9.83 ms	0.00 ms (0.01%)	1.00%

Additional information

Historical results

Checkout details:

• Base repo: https://github.com/rustls/rustls.git
• Base branch: main (c5d283a)
• Candidate repo: https://github.com/cpu/rustls.git
• Candidate branch: cpu-aws-lc-rs-1.6.4 (c2fdf44)

[djc]

Those look like potentially substantial handshake latency regressions?

[cpu]

@justsmth Is there something top-of-mind for you that might explain performance differences between 1.6.2 and 1.6.4? 🤔

[cpu]

@djc Looking at the results closer it seems like the significant changes in the wrong direction are isolated to the instruction count benchmarks that we know can be a less accurate measure of the real world performance. The wall-time benchmarks look OK to me. Which benchmarks seem concerning to you?

[justsmth]

Short answer is that I'm not aware of any significant performance regression, but I potentially can provide insight for changes in RSA-related latencies.

• aws-lc-sys v0.14.1 aligns with AWS-LC v1.23.0
• AWS-LC v1.23.0 contains the first part of a refactoring we were working on related to RSA key checks: "Part 1a" and "Part 1b" were in that release.
• "Part 2" of that refactoring was merged after.
• We've also merged a few RSA-related commits from upstream since then.

I'll check our internal metrics on RSA and follow-up with you.