CMU 15-418/Stanford CS149: Parallel Computing - CS自学指南 #138
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Replies: 28 comments 30 replies
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想问下这是大学高年级的课程还是研究生课 感觉太硬核了 |
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15418前置课程只有15213，15213scs的学生一般是大一下上。所以一般418是大二或者大三上。 |
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这个有交流群不？ |
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同问 |
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B站有视频，有字幕对听力不好的小伙伴会友好一点 网址 |
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Is Parallel Programming Hard, And, If So, What Can You Do About It? |
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请问这个lab环境怎么搭建呢。好像没找到 |
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应该是跟213的环境是一样的， |
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在上并行计算之前，最好先学一下哪些课呢？求上过的大佬回答。 |
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15418上之前最好上15213和15210 |
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请问15210的lectures在哪里可以看，在Panopto上没有找到 |
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同求15210 |
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请问有什么好的C++多线程编程的课程推荐吗 |
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把今年 cs149 作业改了一下，能跑在 Windows了 |
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这课程真的太硬核了 不建议在15-213看完之后直接冲 推荐路线15-213 -> 15-162 -> 15-445之后再刷15-418 |
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建议直接冲，462和445上了队418也没什么帮助。相反cmu一般都是先上418再上410或者445的 |
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15-162是筆誤吧, 你想說的是15-462嗎？ 15-462跟這門課有關係嗎？ |
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您好 感谢纠正 应该是CS162 berkeley的操作系统课程 可能因为我本人太菜 导致刷15-418的lab感到特别吃力 事实上418的前置课程确实只需要15-213或者cs61c 因人而异吧 这个路线比较适合我 |
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“前段时间大热的 Spark 框架等等。真正意义上将理论与实践完美地结合在了一起。”你在逗我 |
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环境怎么搭建 |
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推荐一个翻译效果不错的版本：https://www.bilibili.com/video/BV1Xz4y1p7ZN/?vd_source=2b9f6fcc0b53b5f5e1607a9e3e8c83bd |
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想问下15418或者cs149有自动评分系统吗，怎么知道自己做的对不对呢，找了一圈没找到，418的autolab好像cmu本校学生才能用 |
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同问一下. |
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作业的链接好像都挂了呀。。 |
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刚创建的qq群，找一个一起做项目的队友～：552410497 |
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Slides 的字体有点难看，哈哈 |
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想知道有没有人指导为什么我在wsl上测第一个作业的3线程是递增的不是递减的 |
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可能一开始已经找到了正确的方法hh |
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lab3 cuda的实验，如果自己笔记本有n卡，可以直接用nvidia/cuda的docker镜像，lab3源仓库拖进去就能make |
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15-418最新能找到的lecture video应该是Fall 2019的 |
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请问哪里有2019fall的视频呢？我只能找到csapp的作者讲的2018spring的版本 |
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YT上有23fall的lecture |
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b 站有cmu 2023 的，但不知道是不是真的2023，课件用的2020的，但讲课老师不是2020的老师 |
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15418和149与UIUC的ece408有什么区别吗？ |
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15418 spring16的网站打不开了，有好兄弟有ppt么 |
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不用了，感觉23年的ppt和16年的没啥区别 |
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网站确实打不开了吗？ |
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用wayback machine可以，上面有记录以前时刻的网站，可以看到讨论 |
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感谢！ヽ(* ﾟ д ﾟ)ノ |
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CMU 15-418 Spring 2017 |
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如果大家用wsl或者虚拟机的话，记得在配置文件里把可用processors数量拉到16，不然加不了速。 比如assignment 1，我的wsl配置processors=2，所以不能同时跑16个threads，应该改成processors=16 |
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想问问作业内容是什么？ |
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请问一下各位佬们，第一个lab 运行 ./mandelbrot， 报错Wrote image file mandelbrot-thread.ppm，但是我看lab document里面说直接run就可以了。请问大家有遇到过这个问题吗。环境是wsl ubuntu22.04. 请各位佬帮帮孩子 |
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已解决 |
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有无大佬知道，这个CMU 15-440/640 Distributed Systems怎么样，想入手了 |
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我整理了CMU15418 Spring 2016 Slides，配合课程视频食用更香~ |
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网址失效已更新～ |
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笔记本cpu型号为11th Gen Intel(R) Core(TM) i7-11800H @ 2.30GHz，环境是wsl。从lscpu来看是支持hyperthreading的（Thread(s) per core是2），但是在lab1中指定8个thread跑在4个core上却始终不能达到超过4x的加速比。请问有大佬知道原因吗？ |
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你能看到我之前的评论吗 |
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起码这个学期CS149的课程环境，是AWS上的64位ARM处理器……大部分作业在x86的系统上性能会差很多。 |
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我之前没懂您的意思。后来看到wsl文档中有写processors的意思是logical processor（也就是说在hyperthreading打开了以后每个物理cpu包含多个logical cpu）。所以在8个cpu的机器上需要把processors设置成16才能得到超过8x的加速 |
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4x?文档不是要求跑到7+x吗？而且，怎么跑到7+x啊？我只跑到4x，用的i7-8750H，支持hyperthreading，lab跑在VMWare的虚拟机上，给虚拟机分了4个core |
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请问一下各位佬们，第一个lab 运行 ./mandelbrot， 报错Wrote image file mandelbrot-thread.ppm，但是我看lab document里面说直接run就可以了。请问大家有遇到过这个问题吗。环境是wsl ubuntu22.04. 请各位佬帮帮孩子 |
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已解决 |
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written assignment有没有答案呀，找了全网只有楼主提供的20年3个assign有答案 |
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找到了20年的全部作业带答案，比飞猪的全：https://www.cs.cmu.edu/afs/cs/academic/class/15418-s20/www/exercises/ |
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15418后面要上计算集群的作业大家怎么解决的 |
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CMU 15-418/Stanford CS149: Parallel Computing - CS自学指南
CS自学指南
https://csdiy.wiki/%E5%B9%B6%E8%A1%8C%E4%B8%8E%E5%88%86%E5%B8%83%E5%BC%8F%E7%B3%BB%E7%BB%9F/CS149/
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