Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.programming.threads > #1867

Re: About Lockfree also...

From aminer <aminer@toto.net>
Newsgroups comp.programming.threads
Subject Re: About Lockfree also...
Date 2013-10-07 21:11 -0700
Organization albasani.net
Message-ID <l2vm2v$7e3$1@news.albasani.net> (permalink)
References <l2vkee$59t$1@news.albasani.net>

Show all headers | View raw


On 10/7/2013 8:43 PM, aminer wrote:
> when there is contention, in worst scenarios you can
> have 1+2+3+4+ ..N = ((N^2+N)/2) or even worse N+N+N+N...N = N^2

In worst case scenarios it can be much much worst than that,
i have took just an example to show that lockfree FIFO queue
algorithms are very bad when there is contention.



Amine Moulay Ramdane.

Back to comp.programming.threads | Previous | NextPrevious in thread | Find similar


Thread

About Lockfree also... aminer <aminer@toto.net> - 2013-10-07 20:43 -0700
  Re: About Lockfree also... aminer <aminer@toto.net> - 2013-10-07 21:11 -0700

csiph-web