列出所有坚壁下面 N 的最快方法

Fastest way to list all primes below N

python math optimization primes
提问时间: 2010-01-14 23:40:27

平面化 (不规则形) 的 Python 中的列表的列表

Flatten (an irregular) list of lists in Python

python list optimization flatten
提问时间: 2010-01-28 22:15:42

将 Javascript 放在一个 HTML 文件在哪里?

Where to place Javascript in a HTML file?

javascript html optimization
提问时间: 2008-10-13 04:19:52

32 位循环计数变量替换为 64-位引入古怪性能偏差

Replacing a 32-bit loop count variable with 64-bit introduces crazy performance deviations

c++ performance optimization assembly compiler-optimization
提问时间: 2014-08-01 10:33:29

如何实现目标每个周期 4 FLOPs 的理论最大的值?

How do I achieve the theoretical maximum of 4 FLOPs per cycle?

c++ c optimization architecture assembly
提问时间: 2011-12-05 17:54:56

这是更好的选择,用于整数除以 2?

Which is better option to use for dividing an integer number by 2?

c++ c optimization division micro-optimization
提问时间: 2012-05-21 07:54:36

如何知道从不使用代码中的哪些部分?

How can I know which parts in the code are never used?

c++ optimization dead-code
提问时间: 2011-01-27 07:59:26

Deoptimizing 在英特尔 Sandybridge 系列 Cpu 管道的程序

Deoptimizing a program for the pipeline in Intel Sandybridge-family CPUs

c++ optimization x86 intel cpu-architecture
提问时间: 2016-05-21 09:29:41

什么是复制 elision 并返回值优化?

What are copy elision and return value optimization?

c++ optimization c++-faq return-value-optimization copy-elision
提问时间: 2012-10-18 11:03:03

原因转置 512 x 512 远低于 513 x 513 矩阵转置一个矩阵吗?

Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

c++ performance optimization
提问时间: 2012-07-10 13:00:20

如何记录方法的执行时间完全是以毫秒为单位?

How to log a method's execution time exactly in milliseconds?

ios objective-c optimization time
提问时间: 2010-01-25 01:57:46

MYSQL 或 vs 中性能

MYSQL OR vs IN performance

mysql sql performance optimization
提问时间: 2009-04-23 18:16:52

这是最快?SQL_CALC_FOUND_ROWS 选择从表或选择 COUNT(*)

Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)

mysql optimization
提问时间: 2008-10-09 09:53:56

是否存在性能差异 i + + 和 + + c + + 中的我吗?

Is there a performance difference between i++ and ++i in C++?

c++ optimization performance post-increment pre-increment
提问时间: 2008-08-24 07:14:22

为什么不 GCC 优化 * * * * * 到 (a*a*a)*(a*a*a)?

Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

c optimization gcc assembly floating-point
提问时间: 2011-06-21 18:49:55

改进 SQLite 的每秒插入的性能?

Improve INSERT-per-second performance of SQLite?

c performance sqlite optimization
提问时间: 2008-09-20 15:00:47

在C中,i + + 和 + + i是否存在性能差异 ?

Is there a performance difference between i++ and ++i in C?

c performance optimization post-increment pre-increment
提问时间: 2008-08-24 06:48:23

以前,当 > 已快于 <...等待,什么?

Once upon a time, when > was faster than < … Wait, what?

c optimization opengl cpu gpu
提问时间: 2011-09-07 18:39:29

为什么不循环的顺序会影响性能时在二维数组循环?

Why does the order of the loops affect performance when iterating over a 2D array?

c performance for-loop optimization cpu-cache
提问时间: 2012-03-30 02:17:32

为什么是 Magento 速度很慢?[关闭]

Why is Magento so slow? [closed]

php magento optimization
提问时间: 2009-10-28 18:32:40

合并的 PHP 函数?

Coalesce function for PHP?

php optimization null-coalescing-operator php-7
提问时间: 2009-06-18 15:49:14

import语句应该始终在Python模块的顶部?

Should Python import statements always be at the top of a module?

python optimization coding-style
提问时间: 2008-09-24 17:21:47

最"pythonic"的方法,以循环访问列表以块的形式是什么?

What is the most “pythonic” way to iterate over a list in chunks?

python list loops optimization chunks
提问时间: 2009-01-12 02:48:22

JavaScript 链接的 href 值要使用什么:"#"还是"javascript:void(0)"?

Which “href” value to use for JavaScript links: “#” or “javascript:void(0)”?

javascript html performance optimization href
提问时间: 2008-09-20 15:00:47

float和double比较的最高效的方法

Most effective way for float and double comparison

c++ algorithm optimization floating-point
提问时间: 2008-08-20 02:09:33

如何将索引添加到 MySQL 表?

How do I add indexes to MySQL tables?

mysql optimization indexing row
提问时间: 2010-06-09 01:41:23

按相反的顺序确实更快是循环?

Are loops really faster in reverse?

javascript optimization loops for-loop while-loop
提问时间: 2009-08-27 11:53:10

如何识别未使用的 css 定义 [关闭]

How to identify unused css definitions [closed]

css optimization code-cleanup
提问时间: 2008-09-25 20:03:21

比较字符串在 Javascript 中的最佳方式?[复制]

Optimum way to compare strings in Javascript? [duplicate]

javascript string optimization comparison binary-search
提问时间: 2010-01-30 10:51:05

Java NIO FileChannel 与 FileOutputstream 性能 / 可用性

Java NIO FileChannel versus FileOutputstream performance / usefulness

java optimization file nio operations
提问时间: 2009-10-22 06:21:25