Not enough to add 40% overhead to a 1mb file read, I can tell you that much. | Hacker News

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		beaconstudios on March 3, 2021 \| parent \| context \| favorite \| on: fs.promises.readFile is 40% slower than fs.readFil... Not enough to add 40% overhead to a 1mb file read, I can tell you that much.

javajosh on March 4, 2021 [–]

It depends. If disks got so fast that function call overhead starts to dominate, then you might see an effect like this. But I have to imagine reading from an SSD is still 1000x slower (at least) than a function invocation in Javascript.

beaconstudios on March 4, 2021 | [–]

I don't see that basically ever being the case.

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