Subj : Re: Best locking methods
To   : comp.programming.threads
From : Chris Thomasson
Date : Wed Apr 06 2005 06:07 pm

> What is the best (fastest) method to synchronize access
> to a memory block which is shared by say 5 reader threads
> and 5 writer threads?

Depends...

1. Do you receive a "lot" more reads than writes, or vise versa?

2. How is the average contention level? When reader thread(s) decide to 
access the data-structure will they more than likely be in contention with 
writer thread(s)?

3. Is this a "performance sensitive" data-structure in your application?

ect...


There are different solutions to your problem ranging from simple mutexs all 
the way to fairly complicated lock-free algorithms. We need a bit more info 
from you...

:)


-- 
http://appcore.home.comcast.net/
(portable lock-free data-structures)

.