How to remove item from heap efficiently?

[srinivas devaki]

On Jan 10, 2016 12:05 AM, "Paul Rubin" <no.email at nospam.invalid> wrote:
>
> You could look up "timing wheels" for a simpler practical approach that
> the Linux kernel scheduler used to use (I think it changed a few years
> ago).

this is not related to OP's topic

I googled about "timing wheels" and "Linux kernel scheduler", I couldn't
find any learning resources or at least the resources that I can
understand. Could you please point me to some learning resources for a
beginner.