Charlie Marsh @charliermarsh

6 of this account's posts made the board, 1 reached the top 3.

Stories from this source

PGO Build Optimization Finding

Charlie Marsh finds thin LTO on PGO instrumented binaries cuts build time with no final performance cost.

Open Source Peaked at #7 @charliermarsh Oct 10, 01:30
Python 3.15 features revealed

Charlie Marsh outlines Python 3.15 features: lazy imports, the Tachyon sampling profiler, sentinel types and more.

Open Source Peaked at #2 @charliermarsh Oct 9, 23:03
Ruff and Others Use Black-Box Testing

Charlie Marsh notes Ruff, uv and ty are effectively all tested via black-box testing.

Open Source Peaked at #9 @charliermarsh Oct 9, 04:36
uv Build and Workspace Optimizations

Charlie Marsh says setting codegen-units=1 made uv builds ~50% faster, cut peak memory 67% and binary size 17%.

Open Source Peaked at #10 @charliermarsh Oct 8, 12:01
OpenAI funds Rust compiler speedup

Charlie Marsh says OpenAI will fund Nicholas Nethercote's work speeding up the Rust compiler.

Open Source Peaked at #4 @charliermarsh Oct 7, 04:07
uv supports lockfile-only installs

The latest uv release allows installing from a uv lockfile alone without pyproject.toml, improving layer caching.

Open Source Peaked at #6 @charliermarsh Oct 6, 02:27