[Bug 216759] Memory speed with small blocks (1K) up to 35 times slower than host system (under QEMU emulation, but not only)
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Date: Fri, 30 Dec 2022 19:49:16 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216759
Graham Perrin <grahamperrin@freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://reviews.freebsd.org
| |/D29733
Summary|[kern] Memory speed with |Memory speed with small
|small blocks (1K) up to 35 |blocks (1K) up to 35 times
|times slower than host |slower than host system
|system (under QEMU |(under QEMU emulation, but
|emulation, but not only) |not only)
Keywords| |performance
CC| |grahamperrin@freebsd.org
--- Comment #25 from Graham Perrin <grahamperrin@freebsd.org> ---
<https://github.com/freebsd/freebsd-src/commit/6fa88a627d5e9d290022b6f463effc99f3df8ee2>
(2021-10-12)
* kvm_clock: KVM paravirtual clock support
* on branches releng/12.3 + releng/12.4 + stable/12
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