Avatar for the ctz user
ctz
graviola
BlogDocsChangelog

Constant-time impl for part (but not all) of PosInt::invert_vartime

#153
Comparing
brian-pane:vartime
(
9ab190f
) with
main
(
3353ba5
)
CodSpeed Performance Gauge
0%
Untouched
155

Benchmarks

155 total
ring[32B]
graviola-bench/benches/chacha20poly1305.rs::benches::bench_chacha20poly1305::chacha20poly1305
CodSpeed Performance Gauge
+2%
3.3 µs3.2 µs
rustcrypto
graviola-bench/benches/mlkem768.rs::benches::mlkem768_decaps::mlkem768-decaps
CodSpeed Performance Gauge
+1%
346.2 µs341.3 µs
graviola[32B]
graviola-bench/benches/xchacha20poly1305.rs::benches::bench_chacha20poly1305::xchacha20poly1305
CodSpeed Performance Gauge
+1%
4.2 µs4.2 µs
graviola[32B]
graviola-bench/benches/sha2.rs::benches::sha512::sha512
CodSpeed Performance Gauge
+1%
4.3 µs4.3 µs
graviola[32B]
graviola-bench/benches/sha2.rs::benches::sha256::sha256
CodSpeed Performance Gauge
+1%
3.3 µs3.3 µs
aws-lc-rs[32B]
graviola-bench/benches/chacha20poly1305.rs::benches::bench_chacha20poly1305::chacha20poly1305
CodSpeed Performance Gauge
+1%
4 µs3.9 µs
ring[2KB]
graviola-bench/benches/chacha20poly1305.rs::benches::bench_chacha20poly1305::chacha20poly1305
CodSpeed Performance Gauge
+1%
12.3 µs12.2 µs
ring[32B]
graviola-bench/benches/sha2.rs::benches::sha256::sha256
CodSpeed Performance Gauge
+1%
4.5 µs4.5 µs
ring[32B]
graviola-bench/benches/sha2.rs::benches::sha512::sha512
CodSpeed Performance Gauge
+1%
5.5 µs5.5 µs
rustcrypto[32B]
graviola-bench/benches/xchacha20poly1305.rs::benches::bench_chacha20poly1305::xchacha20poly1305
CodSpeed Performance Gauge
+1%
11.6 µs11.5 µs
graviola[2KB]
graviola-bench/benches/xchacha20poly1305.rs::benches::bench_chacha20poly1305::xchacha20poly1305
CodSpeed Performance Gauge
0%
17.9 µs17.8 µs
libcrux-ml-kem
graviola-bench/benches/mlkem768.rs::benches::mlkem768_encaps::mlkem768-encaps
CodSpeed Performance Gauge
0%
125.2 µs124.8 µs
graviola[32B]
graviola-bench/benches/hmac.rs::benches::sha256::hmac-sha256
CodSpeed Performance Gauge
0%
9.4 µs9.3 µs
rustcrypto[2KB]
graviola-bench/benches/xchacha20poly1305.rs::benches::bench_chacha20poly1305::xchacha20poly1305
CodSpeed Performance Gauge
0%
20.4 µs20.3 µs
rustcrypto[32B]
graviola-bench/benches/chacha20poly1305.rs::benches::bench_chacha20poly1305::chacha20poly1305
CodSpeed Performance Gauge
0%
11.2 µs11.2 µs
aws-lc-rs[2KB]
graviola-bench/benches/chacha20poly1305.rs::benches::bench_chacha20poly1305::chacha20poly1305
CodSpeed Performance Gauge
0%
12.9 µs12.9 µs
libcrux-ml-kem
graviola-bench/benches/mlkem768.rs::benches::mlkem768_decaps::mlkem768-decaps
CodSpeed Performance Gauge
0%
133.4 µs133.2 µs
aws-lc-rs
graviola-bench/benches/mlkem768.rs::benches::mlkem768_keygen::mlkem768-keygen
CodSpeed Performance Gauge
0%
136.8 µs136.6 µs
rustcrypto[2KB]
graviola-bench/benches/chacha20poly1305.rs::benches::bench_chacha20poly1305::chacha20poly1305
CodSpeed Performance Gauge
0%
20 µs20 µs
ring[16KB]
graviola-bench/benches/chacha20poly1305.rs::benches::bench_chacha20poly1305::chacha20poly1305
CodSpeed Performance Gauge
0%
63.5 µs63.5 µs
libcrux-ml-kem
graviola-bench/benches/mlkem768.rs::benches::mlkem768_keygen::mlkem768-keygen
CodSpeed Performance Gauge
0%
118.3 µs118.1 µs
graviola[16KB]
graviola-bench/benches/xchacha20poly1305.rs::benches::bench_chacha20poly1305::xchacha20poly1305
CodSpeed Performance Gauge
0%
113 µs112.9 µs
rustcrypto[16KB]
graviola-bench/benches/xchacha20poly1305.rs::benches::bench_chacha20poly1305::xchacha20poly1305
CodSpeed Performance Gauge
0%
82.2 µs82.1 µs
graviola[8KB]
graviola-bench/benches/sha2.rs::benches::sha512::sha512
CodSpeed Performance Gauge
0%
87.8 µs87.7 µs
aws-lc-rs
graviola-bench/benches/mlkem768.rs::benches::mlkem768_encaps::mlkem768-encaps
CodSpeed Performance Gauge
0%
144 µs144 µs

Commits

Click on a commit to change the comparison range
Base
main
3353ba5
-0.12%
Remove more branches from PosInt::invert_vartime
9ab190f
1 month ago
by brian-pane
© 2026 CodSpeed Technology
Home Terms Privacy Docs