Solar compiler compiles in 4.8s vs solc's 2h, cuts fuzzing RAM 4.7x in Echidna test
banteg · x · 2026-11-08
banteg boosts forkforkdog's endgame results for "Solar for fuzzers": memory optimizations for Echidna-based fuzzing of the Solidity compiler hit a win, plateauing at 19.3 GiB.
- The fix rolled back "vibed" memory tweaks to Echidna's original memory management plus further optimizations from @0x310f1sh; one Solar bug is fixed on main, a smaller one reported.
- Compile time: solc takes 2h 04m, Solar just 4.8 seconds.
- Memory at 7h13m of fuzzing: baseline solar at 71.9 GiB (climbing to 103 GiB) vs 19.3 GiB for optimized Echidna + solar main — 4.7x less RAM.
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