scriptc

mirror of https://github.com/vercel-labs/scriptc.git synced 2026-10-28 06:53:42 +08:00

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Chris Tate e3b42a311d Add --target-cpu to compile x86-64 programs for a microarchitecture level

Release builds compile for the x86-64 baseline, so LLVM vectorizes with
SSE2 only. `--target-cpu=<baseline|x86-64-v2|x86-64-v3|x86-64-v4|native>`
compiles the program's code for a higher level: every emitted function
carries the level as its `target-cpu`, so LLVM can use AVX2, BMI2, FMA or
AVX-512. The executable then runs only on CPUs of that level.

- `native` resolves to the highest level the build machine supports, read
  from /proc/cpuinfo on Linux and `sysctl machdep.cpu` on macOS.
- The level is part of the executable cache key; `baseline` and builds
  without the option produce the same output and keys as before.
- The runtime pack keeps its baseline code.
- Targets other than x86-64 refuse a level (SC3002). The CLI's cached
  bootstrap route leaves builds with the option to the full compiler.
- `bench:runtime` takes `--baseline-target-cpu` and `--candidate-target-cpu`.

2026-10-23 13:10:16 -05:00

bootstrap.ts

Add --target-cpu to compile x86-64 programs for a microarchitecture level

2026-10-23 13:10:16 -05:00

command.ts

feat: ship the self-hosted native scriptc CLI (#585 )

2026-09-30 02:17:56 -05:00

host.ts

feat: ship the self-hosted native scriptc CLI (#585 )

2026-09-30 02:17:56 -05:00

main.ts

Collect the compiler's heap as lowering and LLVM emission grow it