Move Time#xmlschema in core and optimize it
[Feature #20707]
Converting Time into RFC3339 / ISO8601 representation is an significant hotspot for applications that serialize data in JSON, XML or other formats.
By moving it into core we can optimize it much further than what strftime will allow.
strftime
compare-ruby: ruby 3.4.0dev (2024-08-29T13:11:40Z master 6b08a50a62) +YJIT [arm64-darwin23] built-ruby: ruby 3.4.0dev (2024-08-30T13:17:32Z native-xmlschema 34041ff71f) +YJIT [arm64-darwin23] warming up...... | |compare-ruby|built-ruby| |:-----------------------|-----------:|---------:| |time.xmlschema | 1.087M| 5.190M| | | -| 4.78x| |utc_time.xmlschema | 1.464M| 6.848M| | | -| 4.68x| |time.xmlschema(6) | 859.960k| 4.646M| | | -| 5.40x| |utc_time.xmlschema(6) | 1.080M| 5.917M| | | -| 5.48x| |time.xmlschema(9) | 893.909k| 4.668M| | | -| 5.22x| |utc_time.xmlschema(9) | 1.056M| 5.707M| | | -| 5.40x|
Move Time#xmlschema in core and optimize it
[Feature #20707]
Converting Time into RFC3339 / ISO8601 representation is an significant
hotspot for applications that serialize data in JSON, XML or other formats.
By moving it into core we can optimize it much further than what
strftimewillallow.