Blog

array.array vs list[int] vs bytes Lab

A hands-on Linux localhost lab comparing memory density and numeric throughput for list[int], array.array('i'), bytearray, and memoryview.

1 Oct 20264 min read

itertools vs Python loops Lab

Hands-on itertools vs pure Python loops lab: chain, islice, and accumulate vs equivalent for-loops with real ops/s, measured on Linux localhost (lab).

1 Oct 20264 min read

deque vs list in Python: Which Is Faster for a Queue?

Hands-on collections.deque vs list queue lab: real FIFO ops/s for append/popleft vs list.pop(0) at several prefill sizes on Linux localhost (eng lab).

1 Oct 20264 min read

struct.pack vs to_bytes vs memoryview Lab

Benchmarking fixed-record packing with struct.pack, Struct.pack_into, int.to_bytes, and memoryview on Linux localhost.

1 Oct 20263 min read

lru_cache hit vs miss: Cache Cost Lab

Real Linux localhost timings for functools.lru_cache hits, miss-and-insert calls, maxsize choices, and an uncached baseline.

1 Oct 20264 min read

logging vs print: Throughput Lab

Hands-on logging vs print throughput lab: real lines/s for StreamHandler, StringIO, and a disabled logger, measured on Linux localhost only (eng lab).

1 Oct 20264 min read

copy vs deepcopy vs manual: Shallow Copy Lab

Hands-on copy.copy vs deepcopy vs manual shallow lab: real ops/s on nested dicts and lists of several sizes, measured on Linux localhost only (eng lab).

1 Oct 20264 min read

string concat vs join vs StringIO: Build Lab

A hands-on localhost lab comparing +=, list+join, preallocated join, and StringIO for building strings at real sizes.

1 Oct 20264 min read

set vs frozenset vs list: Membership Lookup Lab

A hands-on localhost lab measuring set, frozenset, list, and dict-key membership across N, with the real crossover point.

1 Oct 20265 min read

pathlib vs os.path in Python: Is pathlib Slower? Tested

A hands-on Linux localhost benchmark of pathlib and os.path for joins, filesystem checks, stats, and recursive scans.

1 Oct 20266 min read

sorted vs heapq vs bisect: Which Is Fastest?

A hands-on Linux localhost benchmark comparing batch sorting, bisect.insort, and heapq as ordered data arrives.

1 Oct 20265 min read

TemporaryFile vs NamedTemporaryFile Delete Modes Lab

Hands-on tempfile modes lab: TemporaryFile vs NamedTemporaryFile delete True/False vs mkstemp unlink patterns with real measured ops/s on localhost box.

1 Oct 20266 min read