fread is (usually) buffered io, so it actually does two additional mem copies (k... | Hacker News

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gpderetta 10 months ago | parent | context | favorite | on: How memory maps (mmap) deliver faster file access ...

fread is (usually) buffered io, so it actually does two additional mem copies (kernel to FILE buffer then to user buffer)

assbuttbuttass 10 months ago [–]

Not in Go

gpderetta 10 months ago | [–]

oh, right, this is Go (https://pkg.go.dev/github.com/odeke-em/go-utils/fread#sectio...). Do the strings it return share memory with the internal buffer?

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