perf: optimize Rust build times — eliminate C build bottlenecks and ark-ff duplicate compilation#2356

Merged

sergeytimoshin merged 8 commits intomainfrom

jorrit/chore-optimize-rust-build

Mar 20, 2026

Commits on Mar 19, 2026

perf: iteration 1 — skip zstd-sys C build on CI via system libzstd
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perf: iteration 8 — compile proc-macro crates at opt-level 3 in dev profile
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perf: iteration 4 — eliminate ark-ff 0.4 duplicate compilation
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perf: switch groth16-solana patch to git dep (rev 4e6cacf)
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fix: update solana-bn254 v3 API and fix remaining vk_gamme_g2 typos
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fix: upgrade SOLANA_VERSION 2.2.15 -> 2.3.13 to fix edition 2024 CI failure
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fix: call ring provider install exactly once via Once
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Commits on Mar 20, 2026

fix: pin time to 0.3.37 to avoid edition2024 in time-macros
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