Why does two small for-loops run faster than a big one ?

i ran this in my server for more than 800 times these are my results pastebin.com/bRqku0zJ

This has nothing to do with JIT compiler, loops, multi-threading or BigInt. If this was a some quiz question it would test:

-Understating that every number in js implicitly is floating point number

-Knowing how floating point addition works and that (unlike addition of integers) it takes multiple hw level operations

Addition_and_subtraction

To make this test fair for both one loop variant and two loops variant:

```

s = Date.now() for(let i=0;i<1e10;i++) { i + 100 } for(let i=1e10;i<2e10;i++) { i + 100 } console.log(Date.now() - s)

s = Date.now() for(let i=0;i<2e10;i++) { i + 100 } console.log(Date.now() - s)

```

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Now both variants work with exact same numbers and perform exact same floating point operations (time diff is consistently <20ms on my machine now, where it was 500-1500ms before)

TLDR: floating point

BigInt is slower.