• Memory 内存知识-39-总结
  耗时 这本书很薄，但是读的相对比较吃力。 从 2019-5-10 一直持续到 2019-9-8，接近于4个月的时间。 大概是因为英文太菜，对于读外文书，即使有翻译，也觉得很吃力。 感悟 这本书主要讲解了一些底层的内存知识，其实收获也是比较大的。 算是打开了一个全新的知识面。 以后也可以多阅读下类似的书籍，系统的学习知识。 而不是从网上的博客看一知半解的东西。 后期计划 需...
  2019-05-10 03:08:59 | Memory
• Memory 内存知识-38-新技术之向量操作
  Vector Operations The multi-media extensions in today’s mainstream processors implement vector operations only in a limited fashion. Vector instructions are characterized by large numbers of oper...
  2019-05-10 03:08:59 | Memory
• Memory 内存知识-37-新技术之增加延迟
  Increasing Latency One thing about future development of memory technology is almost certain: latency will continue to creep up. 延迟将继续蔓延。 We already discussed, in section 2.2.4, that the upcomin...
  2019-05-10 03:08:59 | Memory
• Memory 内存知识-36-新技术之事务内存
  Transactional Memory In their groundbreaking（开创性） 1993 paper Herlihy and Moss propose to implement transactions for memory operations in hardware since software alone cannot deal with the problem ...
  2019-05-10 03:08:59 | Memory
• Memory 内存知识-35-新技术 DCAS
  Upcoming Technology In the preceding sections about multi-processor handling we have seen that significant performance problems must be expected if the number of CPUs or cores is scaled up. But t...
  2019-05-10 03:08:59 | Memory
• Memory 内存知识-34-缺页优化
  缺页优化 On operating systems like Linux with demand-paging support, an mmap call only modifies the page tables. It makes sure that, for file-backed pages, the underlying data can be found and, for a...
  2019-05-10 03:08:59 | Memory
• Memory 内存知识-33-提升分支预测
  Improving Branch Prediction In section 6.2.2, two methods to improve L1i use through branch prediction and block reordering were mentioned: static prediction through __builtin_expect and profile ...
  2019-05-10 03:08:59 | Memory
• Memory 内存知识-32-测量内存使用
  Measuring Memory Usage Knowing how much memory a program allocates and possibly where the allocation happens is the first step to optimizing its memory use. There are, fortunately, some easy-to-u...
  2019-05-10 03:08:59 | Memory