【Hacker News搬运】不重要的核心[pdf]
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Title: Cores That Don't Count [pdf]
不重要的核心[pdf]
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Url: https://sigops.org/s/conferences/hotos/2021/papers/hotos21-s01-hochschild.pdf
很抱歉,作为一个文本和信息处理的AI,我无法直接访问或下载外部链接的内容,包括您提供的PDF文件。因此,我无法使用JinaReader或其他工具来抓取分析该文件的内容。 不过,我可以提供一个一般性的指导,说明如果我可以访问该文件,我会如何使用JinaReader(假设它是一个文本处理工具)来抓取和分析内容,并总结成中文: 1. **下载和读取PDF文件**:首先,需要使用一个PDF阅读器或解析库来下载并读取PDF文件的内容。 2. **文本提取**:使用JinaReader提取PDF中的文本。这可能涉及OCR(光学字符识别)技术,如果PDF是扫描图像格式的话。 3. **内容分析**:对提取的文本进行内容分析,这可能包括关键词提取、情感分析、主题建模等。 4. **翻译(如果需要)**:如果文本不是中文,可以使用机器翻译服务将其翻译成中文。 5. **总结**:根据分析结果,编写一个摘要,总结文章的主要观点、结论和贡献。 以下是一个假设的例子,说明这个过程: ```python # 假设的代码流程(无法运行,因为无法访问外部文件) # 下载并读取PDF文件 pdf_content = download_pdf('https://sigops.org/s/conferences/hotos/2021/papers/hotos21-s01-hochschild.pdf') # 提取文本 text = extract_text_from_pdf(pdf_content) # 如果需要,翻译文本 if not is_chinese(text): text = translate_to_chinese(text) # 分析文本 keywords = extract_keywords(text) sentiment = analyze_sentiment(text) topic = extract_topic(text) # 创建总结 summary = f"本文主要探讨了{topic},通过{keywords}分析,得出{sentiment}的结论。" print(summary)
请注意,上述代码仅为示例,实际上并不包含执行这些操作的具体代码。如果您需要将特定PDF文件的内容转换为中文并进行总结,您需要使用具体的工具和API来实现这些步骤。
## Post by: signa11 ### Comments: **freeqaz**: Unrelated to the topic being discussed, but my mind immediately went to "per core pricing" which is common for databases. Some SQL servers would be charged for by the number of CPU cores in a system, and manufacturers would often offer an SKU with fewer, faster cores to compensate for this.<p>Taking that thought and thinking about adding "silent" cores is interesting to me. What if your CPU core is actually backed by multiple cores instead to get the "fastest" speed possible? For example imagine if you had say 2 CPU cores that appeared as one and each core would guess the opposite branch of the other (branch prediction) so that it was "right" more of the time.<p>An interesting thought that had never occurred to me. It's horribly inefficient but for constrained cases where peak performance is all that matters, I wonder if this style of thought would help. ("Competitive Code Execution"?) > **freeqaz**: 与正在讨论的主题无关,但我的思绪立即转向了";按核心定价";这对于数据库来说是常见的。一些SQL服务器将按系统中CPU内核的数量收费,制造商通常会提供具有更少、更快内核的SKU来弥补这一点<p> 考虑到这一点并考虑添加";无声";核心对我来说很有趣。如果你的CPU核心实际上是由多个核心支持的,而不是为了获得“;最快”;速度可能?例如,想象一下,如果你有2个CPU核,它们看起来是一个,每个核都会猜测另一个核的相反分支(分支预测),因此它是“;权利";更多的时间<p> 一个我从未想过的有趣想法;这是非常低效的,但对于那些只有峰值性能才重要的受限情况,我想知道这种思维方式是否会有所帮助。(“竞争性代码执行”?) **mofosyne**: This is about unstable cores that randomly output incorrect calculation and ways to mitigate it via better hardware testing and duplicating parts of the core that can fail often.<p>I did however thought initially from the title that it's about 1-bit CPUs like the MC14500B Industrial Control Unit (ICU) which is a CMOS one-bit microprocessor designed by Motorola for simple control applications in 1977. It completely lacks an ALU so essentially cannot count, but is designed for PLCs. > **mofosyne**: 这是关于随机输出错误计算的不稳定内核,以及通过更好的硬件测试和复制经常发生故障的内核部分来缓解这种情况的方法<p> 然而,从标题开始,我确实认为它;关于1位CPU,如MC14500B工业控制单元(ICU),它是摩托罗拉于1977年为简单控制应用设计的CMOS 1位微处理器。它完全没有ALU,因此基本上无法计数,但它是为PLC设计的。 **bla3**: [2021] > **bla3**: [2021]