papering - 博客园

2017年1月5日

Software Solutions CACHE COHERENCE AND THE MESI PROTOCOL

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION Software cache coherence schemes attempt to avoid the need for addition 阅读全文

posted @ 2017-01-05 15:04 papering 阅读(280) 评论(0) 推荐(0) 编辑

CACHE COHERENCE AND THE MESI PROTOCOL

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION In contemporary multiprocessor systems, it is customary to have one or 阅读全文

posted @ 2017-01-05 14:42 papering 阅读(207) 评论(0) 推荐(0) 编辑

Multiprocessor Operating System Design Considerations SYMMETRIC MULTIPROCESSORS

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION An SMP operating system manages processor and other computer resources 阅读全文

posted @ 2017-01-05 14:36 papering 阅读(713) 评论(0) 推荐(0) 编辑

Organization SYMMETRIC MULTIPROCESSORS

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION Figure 17.4 depicts in general terms the organization of a multiprocess 阅读全文

posted @ 2017-01-05 14:33 papering 阅读(506) 评论(0) 推荐(0) 编辑

PARALLEL PROCESSING

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION 阅读全文

posted @ 2017-01-05 13:37 papering 阅读(129) 评论(0) 推荐(0) 编辑

1分钟内发送差评邮件

摘要：行为监控阅读全文

posted @ 2017-01-05 12:29 papering 阅读(134) 评论(0) 推荐(0) 编辑

Secure Digital

摘要： https://en.wikipedia.org/wiki/Secure_Digital#Technical_details Secure Digital (SD) is a non-volatile memory card format developed by the SD Card Assoc 阅读全文

posted @ 2017-01-05 09:36 papering 阅读(332) 评论(0) 推荐(0) 编辑

SYMMETRIC MULTIPROCESSORS

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION As demands for perfor-mance increase and as the cost of microprocessors 阅读全文

posted @ 2017-01-05 00:10 papering 阅读(275) 评论(0) 推荐(0) 编辑

2017年1月4日

A Taxonomy of Parallel Processor Architectures

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION 阅读全文

posted @ 2017-01-04 23:56 papering 阅读(157) 评论(0) 推荐(0) 编辑

parallelism

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION Traditionally, the computer has been viewed as a sequential machine. Mo 阅读全文

posted @ 2017-01-04 23:47 papering 阅读(332) 评论(0) 推荐(0) 编辑

Symmetric Multiprocessor Organization

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION 阅读全文

posted @ 2017-01-04 16:17 papering 阅读(107) 评论(0) 推荐(0) 编辑

smaller programs should improve performance RISC(精简指令集计算机)和CISC(复杂指令集计算机)是当前CPU的两种架构区别示例

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION In this section, we look at some of the general characteristics of and 阅读全文

posted @ 2017-01-04 12:27 papering 阅读(320) 评论(0) 推荐(0) 编辑

mysqli_multi_query($link, $sql_w);

摘要： 1 $sql_w = 'INSERT INTO w1 (wint) VALUES (55);'; 2 $sql_w .= 'INSERT INTO w1 (wint) VALUES (505);'; 3 var_dump($sql_w); 4 mysqli_multi_query($link, $sql_w); 阅读全文

posted @ 2017-01-04 11:31 papering 阅读(200) 评论(0) 推荐(0) 编辑

2017年1月3日

INSTRUCTION CYCLE

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION • Fetch: Read the next instruction from memory into the processor. • Ex 阅读全文

posted @ 2017-01-03 22:11 papering 阅读(210) 评论(0) 推荐(0) 编辑

2017年1月1日

Dynamic Percentage of Operands

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION 阅读全文

posted @ 2017-01-01 22:24 papering 阅读(142) 评论(0) 推荐(0) 编辑

whether the computers in a cluster share access to the same disks

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION In the literature, clusters are classified in a number of different way 阅读全文

posted @ 2017-01-01 00:35 papering 阅读(171) 评论(0) 推荐(0) 编辑

symmetric multiprocessor

摘要： https://en.wikipedia.org/wiki/Symmetric_multiprocessor_system A symmetric multiprocessor system (SMP) is a multiprocessor system with centralized shar 阅读全文

posted @ 2017-01-01 00:32 papering 阅读(364) 评论(0) 推荐(0) 编辑

an alternative to symmetric multiprocessing

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION 17.5 CLUSTERSAn important and relatively recent development computer sy 阅读全文

posted @ 2017-01-01 00:24 papering 阅读(171) 评论(0) 推荐(0) 编辑

2016年12月31日

Different Approaches for MVCC

摘要： https://www.enterprisedb.com/well-known-databases-use-different-approaches-mvcc Well-known Databases Use Different Approaches for MVCC Well-known Data 阅读全文

posted @ 2016-12-31 19:42 papering 阅读(194) 评论(0) 推荐(0) 编辑

Any changes made by a writer will not be seen by other users of the database until the changes have been completed

摘要： https://en.wikipedia.org/wiki/Multiversion_concurrency_control Multiversion concurrency control (MCC or MVCC), is a concurrency control method commonl 阅读全文

posted @ 2016-12-31 19:18 papering 阅读(197) 评论(0) 推荐(0) 编辑

Portable Operating System Interface for uni-X

摘要： https://kb.iu.edu/d/agjv 【可移植】 Short for "Portable Operating System Interface for uni-X", POSIX is a set of standards codified by the IEEE and issued 阅读全文

posted @ 2016-12-31 18:48 papering 阅读(282) 评论(0) 推荐(0) 编辑

SHARE NOTHING SHARE EVERYTHING

摘要： https://mp.weixin.qq.com/s/pMOqLJVCVuKG65ClXKHv7g 【科技文】PGXZ—腾讯分布式关系数据集群—架构解析 Original 2016-06-27 jasonysli 腾讯技术工程官方号 jasonysli李跃森本文作者数据平台部存储引擎组PGXZ项目负阅读全文

posted @ 2016-12-31 18:44 papering 阅读(1381) 评论(0) 推荐(0) 编辑

fopen w c

摘要： http://php.net/manual/en/function.fopen.php 阅读全文

posted @ 2016-12-31 13:53 papering 阅读(120) 评论(0) 推荐(0) 编辑

Given a compiled machine-language program, which statements in the source language cause the execution of the most machine-language instructions and what is the execution time of these instr

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION A variety of studies have been made to analyze the behavior of HLL prog 阅读全文

posted @ 2016-12-31 12:59 papering 阅读(347) 评论(0) 推荐(0) 编辑

A quick renice command rescheduled the upgrade to a lower priority and I was back to surfing in no time.

摘要： https://www.nixtutor.com/linux/changing-priority-on-linux-processes/ Changing Priority on Linux Processes Wed, Apr 22, 2009 What is Priority and Why S 阅读全文

posted @ 2016-12-31 09:48 papering 阅读(308) 评论(0) 推荐(0) 编辑

INSTRUCTION EXECUTION CHARACTERISTICS

摘要： Characteristics of Some CISCs, RISCs, and Superscalar Processors One of the most visible forms of evolution associated with computers is that of pro-g 阅读全文

posted @ 2016-12-31 09:45 papering 阅读(476) 评论(0) 推荐(0) 编辑

Characteristics of Some CISCs, RISCs, and Superscalar Processors

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION Although RISC architectures have been defined and designed in a variety 阅读全文

posted @ 2016-12-31 09:05 papering 阅读(243) 评论(0) 推荐(0) 编辑

2016年12月30日

the major advances since the birth of the computer

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION • The family concept: Introduced by IBM with its System/360 in 1964, fo 阅读全文

posted @ 2016-12-30 22:57 papering 阅读(197) 评论(0) 推荐(0) 编辑

15.2 THE USE OF A LARGE REGISTER FILE

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION 阅读全文

posted @ 2016-12-30 21:21 papering 阅读(120) 评论(0) 推荐(0) 编辑

principal-component-analysis

摘要： http://support.minitab.com/en-us/minitab/17/topic-library/modeling-statistics/multivariate/principal-components-and-factor-analysis/what-is-pca/ http: 阅读全文

posted @ 2016-12-30 20:04 papering 阅读(225) 评论(0) 推荐(0) 编辑

buffer pool

摘要： https://dev.mysql.com/doc/refman/5.5/en/glossary.html#glos_buffer_pool buffer pool The memory area that holds cached InnoDB data for both tables and i 阅读全文

posted @ 2016-12-30 16:03 papering 阅读(162) 评论(0) 推荐(0) 编辑

http://highscalability.com/blog/2015/5/18/how-mysql-is-able-to-scale-to-200-million-qps-mysql-cluster.html

摘要： http://highscalability.com/blog/2015/5/18/how-mysql-is-able-to-scale-to-200-million-qps-mysql-cluster.html 阅读全文

posted @ 2016-12-30 15:40 papering 阅读(130) 评论(0) 推荐(0) 编辑

most queries (more than 90 percent) never hit the database at all but only touch the cache layer

摘要： https://gigaom.com/2011/12/06/facebook-shares-some-secrets-on-making-mysql-scale/ Facebook shares some secrets on making MySQL scale Derrick Harris De 阅读全文

posted @ 2016-12-30 15:34 papering 阅读(196) 评论(0) 推荐(0) 编辑

faster with MyISAM tables than with InnoDB or NDB tables

摘要： http://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations.html Performance considerations. Some effects of partitioning operations on performanc 阅读全文

posted @ 2016-12-30 15:19 papering 阅读(176) 评论(0) 推荐(0) 编辑

w-BIG TABLE 1-toSMALLtable @-toMEMORY

摘要： BIG TABLE 1-toSMALLtable @-toMEMORY 阅读全文

posted @ 2016-12-30 15:00 papering 阅读(108) 评论(0) 推荐(0) 编辑

Indexing and Hashing

摘要： DATABASE SYSTEM CONCEPTS, SIXTH EDITION11.1 Basic ConceptsAn index for a ﬁle in a database system works in much the same way as the indexin this textb 阅读全文

posted @ 2016-12-30 14:56 papering 阅读(160) 评论(0) 推荐(0) 编辑

MEMORY Storage Engine MEMORY Tables TEMPORARY TABLE max_heap_table_size

摘要： http://dev.mysql.com/doc/refman/5.7/en/create-table.html You can use the TEMPORARY keyword when creating a table. A TEMPORARY table is visible only to 阅读全文

posted @ 2016-12-30 14:46 papering 阅读(273) 评论(0) 推荐(0) 编辑

controlling the variance of request response times and not just worrying about maximizing queries per second

摘要： http://highscalability.com/blog/2010/11/4/facebook-at-13-million-queries-per-second-recommends-minimiz.html Thursday, November 4, 2010 at 8:48AM Faceb 阅读全文

posted @ 2016-12-30 14:27 papering 阅读(216) 评论(0) 推荐(0) 编辑

Variance

摘要： http://mathworld.wolfram.com/Variance.html Variance For a single variate having a distribution with known population mean , the population variance , 阅读全文

posted @ 2016-12-30 14:06 papering 阅读(394) 评论(0) 推荐(0) 编辑

Population Mean

摘要： Probability and Statistics > Moments > History and Terminology > Disciplinary Terminology > Biological Terminology > History and Terminology > Discipl 阅读全文

posted @ 2016-12-30 13:50 papering 阅读(229) 评论(0) 推荐(0) 编辑