{
    "schema_version": 1,
    "license": "CC BY 4.0",
    "citation": "Kuzeyhan Demir, ASAMB, SHA-256, SHA-512 and SHA3-256 throughput on one PHP host, measurement run 2026-07-22T15:23:56+00:00",
    "environment": {
        "generated_at": "2026-07-22T15:23:56+00:00",
        "php_version": "8.4.23",
        "php_sapi": "cli",
        "os": "Linux 4.18.0-553.85.1.el8_10.x86_64",
        "architecture": "x86_64",
        "cpu": "AMD EPYC-Rome Processor",
        "memory": "15.02 GiB host total",
        "opcache_cli": "0",
        "memory_limit": "1024M",
        "extensions": [
            "json",
            "openssl",
            "zlib",
            "mbstring",
            "pdo_sqlite"
        ],
        "timezone": "UTC",
        "clock": "hrtime(true)",
        "rounds": 7
    },
    "study": {
        "slug": "hash-throughput",
        "iterations_per_sample": 110,
        "rounds": 7,
        "winner": "SHA-256",
        "slowest": "SHA-512",
        "spread_percent": 375.06,
        "variants": {
            "SHA-256": {
                "median_ns_per_op": 75545.19,
                "p25_ns_per_op": 75391.82,
                "p75_ns_per_op": 75926.82,
                "ops_per_second": 13237.11,
                "samples_ns_per_op": [
                    76179.3,
                    75545.19,
                    75177.42,
                    75674.35,
                    75490.45,
                    76296.71,
                    75293.18
                ],
                "extra": []
            },
            "SHA3-256": {
                "median_ns_per_op": 315705.03,
                "p25_ns_per_op": 313688.25,
                "p75_ns_per_op": 316226.88,
                "ops_per_second": 3167.51,
                "samples_ns_per_op": [
                    313199.78,
                    316225.11,
                    318634.8,
                    315705.03,
                    307557.36,
                    314176.71,
                    316228.65
                ],
                "extra": []
            },
            "SHA-512": {
                "median_ns_per_op": 358885.88,
                "p25_ns_per_op": 354277.36,
                "p75_ns_per_op": 360516.44,
                "ops_per_second": 2786.4,
                "samples_ns_per_op": [
                    358885.88,
                    359041.99,
                    349069.8,
                    361990.89,
                    362268.24,
                    355806.28,
                    352748.45
                ],
                "extra": []
            }
        }
    }
}