BACKGROUND Advances in semi-conductor processing and logic design have permitted an increase in the amount of logic that may be present on integrated circuit devices. As a result, computer system configurations have evolved from a single or multiple…

Motivation 程序员是否需要在处理一致性问题或者同步时,一定要make hands dirty?能不能专注于应用级原子性,而无需考虑低层操作系统.运行时支持的原子性概念或者语言构造? 软件事务性内存(Software Transactional Memory, STM)提供了一种机制,极大的减少了业务型程序员在处理并发任务时所需投入的努力. Scope 这一领域相对而言比较新但不是很新,尤其对具有关系型或得关系型数据库领域知识背景的人来说. 本文不对该概念起源和研究趋势做任何阐述和探究,…

BACKGROUND Malicious code, known as malware, which includes viruses, worms, adware, etc., may attack core components of the operating system to compromise key applications, including critical applications that operate in the operating system kernel,…

An apparatus and method is described herein for providing robust speculative code section abort control mechanisms. Hardware is able to track speculative code region abort events, conditions, and/or scenarios, such as an explicit abort instruction, a…

Hybrid transaction memory systems and accompanying methods. A transaction to be executed is received, and an initial attempt is made to execute the transaction in a hardware path. Upon a failure to successfully execute the transaction in the hardware…

BP-Wrapper:无锁竞争的替换算法系统框架 最近看了一个golang的高性能缓存ristretto,该缓存可以很好地实现如下功能: Concurrent High cache-hit ratio Memory-bounded (limit to configurable max memory usage) Scale well as the number of cores and goroutines increases Scale well under non-random key ac…

The Maximum Number of Strong Kings Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 2488   Accepted: 1131 题目链接:http://poj.org/problem?id=2699 Description: A tournament can be represented by a complete graph in which each vertex denotes a…

BACKGROUND 1. Field Innovations herein pertain to computer virtualization, computer security and/or data isolation, and/or the use of a separation kernel hypervisor (and/or hypervisor), such as to detect and/or prevent malicious code and which may in…

BACKGROUND OF THE INVENTION  1. Field of the Invention  The present invention relates generally to heterogeneous computer systems.  2. Background Art  Computers and other such data processing devices have at least one control processor that is genera…

Awesome Courses  Introduction There is a lot of hidden treasure lying within university pages scattered across the internet. This list is an attempt to bring to light those awesome courses which make their high-quality material i.e. assignments, lect…