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Benchmarking (python vs. c++ using BLAS) and (numpy)

...r). Hardware Our HPC has two different nodes one with Intel Sandy Bridge CPUs and one with the newer Ivy Bridge CPUs: Sandy (MKL, OpenBLAS, ATLAS): CPU: 2 x 16 Intel(R) Xeon(R) E2560 Sandy Bridge @ 2.00GHz (16 Cores) RAM: 64 GB Ivy (MKL, OpenBLAS, ATLAS): CPU: 2 x 20 Intel(R) Xeon(R) E2680 ...
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Why is reading lines from stdin much slower in C++ than Python?

...lly timing the execution of cat, not your benchmark. The 'user' and 'sys' CPU usage displayed by time are those of cat, not your benchmarked program. Even worse, the 'real' time is also not necessarily accurate. Depending on the implementation of cat and of pipelines in your local OS, it is possib...
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AsciiConversion 拓展问题:字母开头的会出现“C2”非预期字符 - App Inven...

做TCP通讯时遇到的问题,主要问题是:列表如果是字母开头就会出问题 发送这个列表 字母开头的都有这个问题,文本显示没有问题。 上面那个是程序 ,下面这个是测试工具 测试了一下: 1、ClientSocket拓展默认...
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How do I run msbuild from the command line using Windows SDK 7.1?

... 2013-12-02 15:05:30.834400000 +0400 @@ -228,10 +228,10 @@ IF "%CURRENT_CPU%" =="x64" ( IF "%TARGET_CPU%" == "x64" ( + SET "FxTools=%FrameworkDir64%\%FrameworkVersion%;%FrameworkDir32%%FrameworkVersion%;%windir%\Microsoft.NET\Framework64\v3.5;%windir%\Microsoft.NET\Framework\v3.5;" + SET...
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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...入浅出计算机字符集编码通过解决一个实际工作中的编码问题,深入研究调查了下计算机的字符编码原理,掌握编码的基本原理后,相关的问题都可轻松解决,希望能给大家带来一定帮助。问题缘由:前面页面编码方式统一为UTF...
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Can linux cat command be used for writing text to file?

... I use the following code to write raw text to files, to update my CPU-settings. Hope this helps out! Script: #!/bin/sh cat > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor <<EOF performance EOF cat > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor <<EOF pe...
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deque iterator not dereferencable 问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

deque iterator not dereferencable 问题STL里面出现这个问题,纠结了半天,不知道什么原因。当然deque iterator not dereferencable。这个是deque出问题,vector、list也可以出...STL里面出现这个问题,纠结了半天,不知道什么原因。 当然deque iterat...
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redmine开源项目管理工具介绍 - 开源 & Github - 清泛网 - 专注IT技能提升

...开放源码软件的解决方案,它提供集成的项目管理功能,问题跟踪,并为多个版本控制的选项的支持。 二、模块介绍 1.概述 该页面提供一个关于该项目的总体概述。其中问题跟踪标签的列出了每种类型大开的数量及总共的数...
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redmine开源项目管理工具介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...开放源码软件的解决方案,它提供集成的项目管理功能,问题跟踪,并为多个版本控制的选项的支持。 二、模块介绍 1.概述 该页面提供一个关于该项目的总体概述。其中问题跟踪标签的列出了每种类型大开的数量及总共的数...
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Multithreading: What is the point of more threads than cores?

...ore than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other? 17 Answers ...