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These are web frameworks specifically but a good broad suite of examples:
https://www.techempower.com/benchmarks/#section=data-r21&l=z...
An amazingly fast JS solution (it's so fast it seems a tad suspect) [1] does indeed have the #1 spot on their last iteration, but PHP holds spots #2 - 30 and then it's a mixture of PHP and JS all the way until #58 we see the first other language emerge.
[1] https://github.com/TechEmpower/FrameworkBenchmarks/tree/mast...
Apparently exact minimal float-to-string conversion is more recent than I thought, and many languages used to print more (Python?) or less (PHP) decimal digits than necessary to uniquely identify the bit pattern. Python correctly prints 46000.80 + 553.04 as 46553.840000000004, but I don't know if it ever prints more digits than needed. One recent algorithm for printing floats exactly is https://github.com/ulfjack/ryu, though I'm unaware what's the state-of-the-art (https://github.com/jk-jeon/dragonbox claims to be a benchmark and the best algorithm).
Apparently exact minimal float-to-string conversion is more recent than I thought, and many languages used to print more (Python?) or less (PHP) decimal digits than necessary to uniquely identify the bit pattern. Python correctly prints 46000.80 + 553.04 as 46553.840000000004, but I don't know if it ever prints more digits than needed. One recent algorithm for printing floats exactly is https://github.com/ulfjack/ryu, though I'm unaware what's the state-of-the-art (https://github.com/jk-jeon/dragonbox claims to be a benchmark and the best algorithm).
You can also do some pretty "fun" things with PHP leveraging the opcache. I wrote what in my own personal biased benchmark was the fastest mustache template renderer by transpiling mustache to php files and then "compiling" them with apc [1]. This is still running https://goldeneaglecoin.com/ whose framework (and HTML/CSS) is pretty much untouched since 2011. It is running on an ec2 t2.medium instance and is one of the fastest e-commerce sites i know.
[1] https://github.com/wesen/proust