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Change our no_std allocator #343

Description

@ludfjig

We are currently using buddy-system-allocator inside guests. We should consider switching this out to a more performance allocator.

Some options:

Maybe more?

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  1. prydt commented on Apr 4, 2025

    @prydt
    Contributor

    Hi, I was wondering if I could take this issue.

    If so, I was wondering if there are any good benchmarks for hyperlight I should use to compare different allocators.

  2. added
    lifecycle/confirmedBug is verified or proposal seems reasonable
    and removed on Apr 23, 2025
  3. modified the milestones: v0.4.0, v0.5.0 on Apr 23, 2025
  4. modified the milestones: v0.5.0, v0.6.0 on May 21, 2025
  5. modified the milestones: v0.6.0, v0.7.0, Upcoming on Jun 4, 2025
  6. modified the milestones: Upcoming, Backlog on Jul 2, 2025
  7. jsturtevant commented on Aug 26, 2025

    @jsturtevant
    Contributor

    mimalloc (if possible?)

    Just noting that there was a brief investigation into mimalloc and it was found that it needed 64Mb of memory for the initial arena which ruled it out. Not sure if that is still the case.

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