On Mon, May 11, 2026 at 12:53:51PM +0800, Qian Yun wrote:
> On 5/11/26 12:28 PM, Qian Yun wrote:
> >
> > OK, maybe you are right. The failure I saw happens in
> > "insertInCache". Maybe during "insertInCache", GC happens
> > and "compactCache" is called and modifies cache array,
> > causing "insertInCache" to fail.
> >
> > I'll try your "allow dangling weak pointers" idea.
> >
> > - Qian
> >
>
> This should be the root cause, the timing of this kernel
> cache recycle should not happen during kernel insertion.
>
> See my attachment, this patch does not break any regression
> test, and speeds up src/input/mapleok.input by 25%!
>
> And there is room for improvement, the parameters can be
> tweaked.
It looks promising. I think it needs more stress testing,
for example cases when there is really a lot of kernels.
And portability to other Lisp-s.
--
Waldek Hebisch
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