python

fnmatch vs re Name Filter: Localhost Lab

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

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.

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.

pickle vs json: Round-trip Lab

Hands-on pickle vs json local round-trip lab: real throughput and size for modest dict/list payloads (trusted data), measured on Linux localhost (lab).

csv.reader vs split: Parse Lab

Hands-on csv.reader vs str.split vs DictReader lab: real rows/s on a quoted-field CSV fixture (pandas-free parse), measured on Linux localhost for SREs.

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.

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.

json.dumps Compact vs Indent Lab

Hands-on json.dumps separators vs indent lab: real time and byte-size tradeoffs for compact vs pretty JSON encoding, measured on Linux localhost (lab).

shutil.copyfile vs Manual Copy Lab

Hands-on shutil.copyfile vs manual file copy lab: real MB/s versus open/read/write and Path.read_bytes on local disk, measured on Linux localhost (lab).

str.translate vs replace: Scrub Lab

Hands-on str.translate vs replace vs re.sub lab: real ops/s for character delete and map scrubbing on mid-size strings, measured on Linux localhost (lab).

setdefault vs defaultdict: Insert Lab

Hands-on setdefault vs if-not-in vs defaultdict lab: real ops/s for list-append and counter default insert patterns, measured on Linux localhost (lab).

zip vs Index Pairing: Loop Lab