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Date: Wed, 18 Jan 2023 20:05:58 +0000
From: Eric Wong <normalperson@yhbt.net>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Carlos O'Donell <carlos@redhat.com>, libc-alpha@sourceware.org
Subject: Re: [RFC/PoC] malloc: use wfcqueue to speed up remote frees
Message-ID: <20230118200558.M990202@dcvr>
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Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote:
> On 2023-01-18 14:12, Eric Wong wrote:
> > Mathieu Desnoyers via Libc-alpha <libc-alpha@sourceware.org> wrote:
> > > Here is a PoC implementing liburcu wfcqueue with C11 atomics:
> > > 
> > > https://review.lttng.org/c/userspace-rcu/+/9271 PoC: wfcqueue: remove dependencies on liburcu headers
> > > 
> > > Feedback is welcome!
> > 
> > Is there a non-JavaScript version or an address to git clone?  I can't view it
> > (I use w3m and do all my work from an ancient machine or via ssh||mosh)
> 
> git clone https://review.lttng.org/userspace-rcu
> cd userspace-rcu
> git fetch https://review.lttng.org/userspace-rcu refs/changes/71/9271/3 && git checkout FETCH_HEAD

Thanks. (Fwiw, I prefer `git show --color-words -W refs/changes/71/9271/3')
It looks fine to me, but I'm no expert on this stuff and just
getting my feet wet with C11...

The busy wait / cpu_relax path isn't needed for malloc, at least.