solx: The New Solidity Compiler - Why It Matters to You

solx: The New Solidity Compiler - Why It Matters to You

The newly introduced solx compiler is designed to supercharge Solidity development by delivering automated gas optimizations without compromising code clarity. Built on LLVM, solx applies advanced techniques like constant folding, loop unrolling, and intelligent caching of storage variables—improvements that typically require manual optimization and deep EVM expertise. Developers can now write clean, idiomatic Solidity code and still reap performance benefits. Furthermore, solx is being built to support debugging tools like ethdebug, setting the stage for easier auditing of optimized contracts.

Key Ideas

  1. Automated Gas Efficiency: solx auto-applies complex optimizations that reduce transaction costs, outperforming traditional compilers like solc.

  2. Cleaner Code + Debuggability: Eliminates the need for manual code "golfing" and brings better support for future debugging workflows.

  3. Prepare to integrate ethdebug support and use solx for easier maintenance and testing of gas-optimized deployments.

Read more at: zksync.mirror.xyz

2025-05-06


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