Blog

fnmatch vs re Name Filter: Localhost Lab

Hands-on fnmatch.filter vs re.compile name-list filtering measured on Linux localhost.

1 Oct 20264 min read

as_completed vs wait: Futures Localhost Lab

Hands-on concurrent.futures as_completed vs wait lab with measured completion timing on Linux localhost.

1 Oct 20264 min read

tarfile vs zipfile Create+Extract: Localhost Lab

Hands-on tarfile vs zipfile create+extract lab: real MB/s on a mixed small-file fixture (uncompressed tar vs zip), measured on Linux localhost for SREs.

1 Oct 20264 min read

scandir vs listdir in Python: Which Is Faster? Tested

Hands-on os.scandir vs listdir vs Path.iterdir lab: real entries/s for names and is_file on a synthetic tree, measured on Linux localhost (lab) for SREs.

1 Oct 20264 min read

textwrap.fill vs Manual Wrap: Localhost Lab

1 Oct 20264 min read

secrets vs urandom vs getrandbits: Localhost Lab

1 Oct 20264 min read

Decimal vs float Sum: Localhost Lab

Hands-on Decimal vs float cumulative sum lab: real ops/s plus a simple accuracy note (not financial advice), measured on Linux localhost (lab) for SREs.

1 Oct 20264 min read

threading.local vs tid-dict: Localhost Lab

Hands-on threading.local vs tid-keyed dict vs module-global lab: real ops/s for per-thread state access patterns, measured on Linux localhost for SREs.

1 Oct 20264 min read

Event vs Condition vs Barrier: Localhost Lab

1 Oct 20264 min read

asyncio TaskGroup vs gather: Speed and Exception Handling

1 Oct 20265 min read

hashlib md5 vs blake2b: Checksum Lab

Hands-on hashlib md5 vs blake2b vs sha1/sha256 lab: real MB/s checksum throughput for content-integrity hashing, measured on Linux localhost for SREs.

1 Oct 20264 min read

rglob vs glob: Which Is Faster in Python?

Hands-on glob.glob vs Path.rglob vs os.walk lab: real files/s for recursive file listing on a modest fixture tree, measured on Linux localhost for SREs.

1 Oct 20264 min read