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From: Simon <simonhf@gmail.com>
To: musl@lists.openwall.com
Subject: [musl] Why does musl printf() use so much more stack than other implementations when printf()ing floating point numbers?
Date: Mon, 3 Feb 2020 13:14:21 -0800	[thread overview]
Message-ID: <CABkUXbee4S_SfUFScAs7xau6Q43U8Upr_L9wM9=p74fkX+32pg@mail.gmail.com> (raw)
In-Reply-To: <CABkUXbdOP8d=BzFTpYetmEEKyEwWqwaW7NmmB9vdJacu-wXABQ@mail.gmail.com>

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I recently noticed that musl printf() implementation uses surprisingly more
stack space than other implementations, but only if printing floating point
numbers, and made some notes here [1]. Any ideas why this happens, and any
chance of fixing it?

[1] https://gist.github.com/simonhf/2a7b7eb98d2a10c549e8cc858bbefd53

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  parent reply	other threads:[~2020-02-03 21:14 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-27  0:33 [musl] Bug report: Reproduction of seg fault caused by musl thread creation race condition Simon
2020-01-27  5:28 ` Markus Wichmann
2020-01-27 17:51 ` Rich Felker
2020-01-27 19:59   ` Simon
2020-01-27 20:37     ` Szabolcs Nagy
2020-01-27 20:46       ` Rich Felker
2020-02-03 21:14 ` Simon [this message]
2020-02-03 21:57   ` [musl] Why does musl printf() use so much more stack than other implementations when printf()ing floating point numbers? Rich Felker
2020-02-03 23:05     ` Szabolcs Nagy
2020-02-03 23:52       ` Szabolcs Nagy

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