this post was submitted on 26 Nov 2024
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[–] [email protected] 4 points 3 weeks ago* (last edited 3 weeks ago)

Oh, I totally agree. Being afraid to call out to the allocator because "hey, I might need that memory later" is kinda not great. To a certain extent I can see how if an application tends to thrash memory, making a kajillion syscalls might hurt performance, enough that on many machines the gains from doing a single big allocation on the system and then slicing it up into small allocations in-process might outweigh the downsides, but still...