Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] Futexes IV (Fast Lightweight Userspace Semaphores) | Date | 8 Mar 2002 15:44:45 -0800 |
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Followup to: <20020308225425.772D13FE06@smtp.linux.ibm.com> By author: Hubertus Franke <frankeh@watson.ibm.com> In newsgroup: linux.dev.kernel > > > > Can we go to cache line alignment - for an array of locks thats clearly > > advantageous > > NO and let me explain. > > I would to be able to integrate the lock with the data. > This is much more cache friendly then putting the lock on a different > cacheline. >
Not just cache, but programmer-friendly as well. Data structures containing locks (sometimes multiple and related) are really the common case.
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