For aes_128_threads, each thread evaluates one boolean gate at a time.
$ cargo run --release
Compiling aes_128_threads v0.1.0 (/home/tfhe-rs-examples/aes_128_threads)
Finished release [optimized] target(s) in 2.55s
Running target/release/aes_128_threads
ref AES-ECB 17d614f379a9359077e95577fd31c20a
CPU:s physical 56
CPU:s logical 112
file bc read time 3.97ms
parse file time 13.26ms
gen keys time 200.78ms
client_key time || 4.69ms
at step 36662 out of 36663
bc time || 19.17s
out time 147.01ms
cloud AES 17d614f379a9359077e95577fd31c20a
tfhe version = "0.2.5" gives
bc time || 13.87s