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Class v6 census, the uniform tool: site s is load instruction s / 2 under the interleaved two-window schedule (rows 2k and 2k + 1 are instruction k)

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
igneum-labs 2026-10-08 16:44:26 +00:00
parent c1f354a4a2
commit c3bbf36330
1 changed files with 3 additions and 1 deletions
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4
tools/attack/v6-census/uniform/src/main.rs
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@ -117,7 +117,9 @@ fn main() {
.iter()
.enumerate()
.map(|(s, d)| {
let ins = &loads[s % loads.len()];
// the interleaved two-window schedule runs instruction k on window 0 then on window 1 (rows 2k
// and 2k + 1), so site s is load instruction s / 2 there and s otherwise
let ins = if sites == 2 * loads.len() { &loads[s / 2] } else { &loads[s % loads.len()] };
let w = if p.class.era.is_some() { (window(ins, mask, log2).0 as u64 + 1) as f64 } else { (1u64 << log2) as f64 } / (ins.width.max(1) as f64);
let e_s = n - n * n / (2.0 * w);
(d.iter().map(|w| w.count_ones() as u64).sum::<u64>() as f64 / e_s, s)