随笔分类 -  Multi-Thread

Pthreads并行编程之spin lock与mutex性能对比分析(转载)
摘要：http://www.parallellabs.com/2010/01/31/pthreads-programming-spin-lock-vs-mutex-performance-analysis/POSIX threads(简称Pthreads)是在多核平台上进行并行编程的一套常用的API。线程同步(Thread Synchronization)是并行编程中非常重要的通讯手段，其中最典型的应... 阅读全文
posted @ 2010-10-25 23:25 史莱姆 阅读(679) 评论(0) 推荐(0)
CAS
摘要：On Mac OS X and Windows there are builtin CompareAndSwap functions you should be using anyway (InterlockedCompareExchange() and OSAtomicCompareAndSwapPtrBarrier() respectively). Thus will work rega... 阅读全文
posted @ 2010-10-25 23:09 史莱姆 阅读(276) 评论(0) 推荐(0)
Spinlock
摘要：SpinLock might be useful when a lock on a shared resource is not going to be held for very long. In such cases, on multi-core computers it can be efficient for the blocked thread to spin for a few cyc... 阅读全文
posted @ 2010-10-21 11:16 史莱姆 阅读(374) 评论(0) 推荐(0)
Simple, Fast, and Practical Non-Blocking and Blocking Concurrent Queue Algorithms
摘要：http://www.cs.rochester.edu/research/synchronization/pseudocode/queues.html/Files/slime/1996_PODC_queues.pdfPseudocode from article of the above name in PODC96 (with two typos corrected), by Maged M. ... 阅读全文
posted @ 2010-10-17 02:40 史莱姆 阅读(595) 评论(0) 推荐(0)
Shared-memory & Message Queue
摘要：Shared-memory blocks are perhaps the fastest IPC mechanism, especially for transferring large structures between processes. However, they require careful synchronization, or subtle bugs can occur i... 阅读全文
posted @ 2010-09-24 05:20 史莱姆 阅读(454) 评论(0) 推荐(0)