3 ms·

For an example of why an allocator is a maintenance treadmill, consider that C++ recently (relatively) added sized delete, and Linux recently gained transparent

For an example of why an allocator is a maintenance treadmill, consider that C++ recently (relatively) added sized delete, and Linux recently gained transparent huge pages.

Twirrim 1y ago
It's been 14 years since THP got added to the kernel[1], surely we're past calling that "recent" :) https://www.kernelconfig.io/config_transparent_hugepage https://www.kernelconfig.io/config_transparent_hugepage
- jeffbee 1y ago
  But if they'd declared the allocators "done" 15 years ago, then you wouldn't have it.
- foldr 1y ago
  > In particular, the seeds for principled huge page allocation (HPA) were sown way back in 2016! HPA work continued apace for several years, slowed, then stagnated as tweaks piled on top of each other without the requisite refactoring that keeps a codebase healthy. This feature trajectory recently cratered.
senderista 1y ago
Another example is rseq (which was originally implemented for tcmalloc).
deleted 1y ago
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