Off-Topic > Off-Topic - Tiny Tux's Corner

question about busybox

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sandras:
So I was wondering. Is busybox's speed affected because of it being a monolith? It seems to me that all the binary must be loaded to ram to be executed. And if so, my assumption that  this would be slower should be right. So is it?

curaga:
We haven't done any benchmarks, but any speed difference from the loading of couple hundred kb once is likely very small. Any noticeable difference comes from targeting small size and not the fastest algorithms, such as grep vs gnu grep.

There are some speed gains due to the consolidation, as well as from having some applets executable without needing to fork/exec (like shell builtins, in principle).

Then you'd have to consider that due to TC's design it's already completely in RAM. :)
There's no additional copy involved, as tmpfs is cache already.

sandras:
i have one more question about busybox. it's a different one, but i thought i shouldn't start a new thread.

when i compile busybox and include hostname, dnsdomainname also compiles in. can't these two go separatly?  i tried it on various versions of busybox and this keeps repeating.

also, what does dnsdomainname do? edit: shoulda looked up first ::)

sorry if these are rather silly questions. oh,a and thank's to Curaga for the previous answer. : )

sandras:
I see what you mean, thanks.

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