Resonance Music Player running on a 19-year-old laptop fluently.
It only uses about 25% of this ancient Core2 ULV CPU and 120MiB of anon RSS, which includes the JavaScript bytecode & heap, GPU context, and hundreds of cover image bitmaps which are being rendered simultaneously.
> you will never beat the compiler
nobody intelligent has ever said this. it is very easy to beat GCC on perf. the problem is that I cannot convert 100,000 lines of C code into assembly in a few seconds.