varnumJewelsInStones=function(J,S){if(!J||!S)return0;// empty string, fast returnleta=0|0,b=0|0,j=0|0,i=J.length,l=S.length,myJewels=0>>>0;do{j=J.charCodeAt(--i);if(j<0x60)a|=1<<(j-0x41);elseb|=1<<(j-0x61);}while(i);do{j=S.charCodeAt(--l);if(j<0x60)a&(1<<(j-0x41))&&++myJewels;elseb&(1<<(j-0x61))&&++myJewels;}while(l);returnmyJewels;};
This is basically just the fast ASM.js compatible form I guess. Not too sure if it will work though...
This is probably because all the optimisations you may do in JS land may be thrown to the bin once it touches native code. I Rust you have more control over the memory layout.
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Another, even faster:
This is basically just the fast ASM.js compatible form I guess. Not too sure if it will work though...
Edit: leetcode.com/submissions/detail/23...
tl;dr not as fast
A similar thing works perfectly fine in rust, though.
leetcode.com/submissions/detail/23...
These are all so cool! Iām going to have to pick through them later š
This is probably because all the optimisations you may do in JS land may be thrown to the bin once it touches native code. I Rust you have more control over the memory layout.