Data formats26.94% range
Compact vs pretty-printed JSON: CPU cost and transfer-size trade-off
A repeatable comparison of compact and human-readable JSON encoding using the same nested application payload.
Fastest in this runCompact JSON
Open study Research catalog
Reproducible measurements
Each report publishes the question, fixture, repeated timing samples, local environment, interpretation, limitations and machine-readable data.
Data formats6.8% range
JSON decoding into arrays or objects in PHP
A same-payload comparison of associative-array and stdClass decoding paths in PHP.
Fastest in this runAssociative arrays
Open study Compression554.18% range
Gzip levels 1, 6 and 9 on mixed web payloads
Processing time and output-size measurements for three common gzip levels on the same mixed JSON and text fixture.
Fastest in this runLevel 1
Open study Integrity375.06% range
SHA-256, SHA-512 and SHA3-256 throughput on one PHP host
A host-specific throughput baseline for commonly available cryptographic hash functions over identical application data.
Fastest in this runSHA-256
Open study PHP runtime2.28% range
Incremental concatenation vs array-and-implode string assembly
A controlled comparison of two common ways to assemble a few hundred text fragments in PHP.
Fastest in this runIncremental concatenation
Open study Data structures43350.46% range
Repeated membership checks: list search vs associative map
A repeated-lookup experiment comparing linear list search with a prebuilt associative membership map.
Fastest in this runAssociative map lookup
Open study Data structures139.92% range
Deduplicating repeated strings with array_unique or a keyed set
A same-input comparison of PHP’s built-in array_unique and an explicit keyed-set pass.
Fastest in this runarray_unique
Open study PHP runtime15.69% range
Parsing timestamp strings with strtotime and DateTimeImmutable
A repeated parsing baseline for two common PHP date APIs using explicit UTC strings.
Fastest in this runstrtotime
Open study Data formats76.58% range
JSON vs PHP serialization for an internal round trip
Timing and output-size comparison for JSON and native PHP serialization of the same nested data.
Fastest in this runPHP serialize round trip
Open study Web protocols2.78% range
RFC 1738 vs RFC 3986 query encoding in http_build_query
A narrow timing and output comparison of PHP’s two standard query-encoding modes.
Fastest in this runRFC 3986 encoding
Open study Output safety3.68% range
The cost of escaping quotes in HTML output
A controlled measurement of two htmlspecialchars flag sets, with security semantics kept explicit.
Fastest in this runENT_NOQUOTES + substitute
Open study Filesystem239.89% range
Whole-file reads vs 64 KiB streaming reads
A local filesystem comparison of file_get_contents and an explicit chunked fread loop on a 2 MiB fixture.
Fastest in this run64 KiB chunked fread
Open study Filesystem30.62% range
hash_file vs read-then-hash for file integrity
A same-file comparison of PHP’s streaming hash_file path and an explicit whole-file read followed by hash.
Fastest in this runhash_file SHA-256
Open study PHP runtime356.25% range
array_sum vs a PHP foreach accumulator
A controlled aggregation test over the same deterministic integer list.
Fastest in this runarray_sum
Open study Filesystem43.63% range
Direct overwrite vs temporary-file rename for publishing JSON
A timing baseline for two ways to publish a generated JSON artifact, with atomicity treated as the primary requirement.
Fastest in this runTemporary file + rename
Open study Identifiers18.43% range
Hex vs base64url encoding for 192-bit random tokens
A same-entropy comparison of hexadecimal and unpadded base64url token representation.
Fastest in this runHex token
Open study Data formats152.06% range
CSV vs JSON Lines parsing for simple tabular records
A same-record comparison of CSV and JSON Lines parsing, including input byte size.
Fastest in this runJSON Lines rows
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