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camera的原意是room. 有比房子还大的照相机。为啥长焦大光圈镜头贵 A camera is an optical instrument used to capture an image. At their most basic, cameras are sealed boxes (the c 阅读全文
posted @ 2022-03-09 23:16
Fun_with_Words
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A camel is an even-toed ungulate [有蹄动物] within the genus Camelus, bearing distinctive fatty deposits known as "humps" on its back. The three surviving 阅读全文
posted @ 2022-03-09 23:02
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多发射与超标量 | R2ISC | 多发射和流水线是啥关系？ The goal of the multiple-issue processors is to allow multiple instructions to issue in a clock cycle. Multiple-issue p 阅读全文
posted @ 2022-03-09 17:41
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https://www.cs.umd.edu/~meesh/cmsc411/CourseResources/CA-online/chapter/multiple-issue-processors-i/index.html ...The ideal CPI (Clock Per Instruction 阅读全文
posted @ 2022-03-09 17:02
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请先看个用户态多线程的示意： int g_ary[N]; int g_idx; Lock g_idx_lock; void fn() { int i; lock(&g_idx_lock); i = g_idx; g_idx = (g_idx + 1) % N; unlock(&g_idx_lock) 阅读全文
posted @ 2022-03-09 16:29
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InfiniBand (IB) is a computer networking communications standard used in high-performance computing that features very high throughput and very low la 阅读全文
posted @ 2022-03-09 11:45
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Fritz is a German chess program originally developed for Chessbase by Frans Morsch based on his Quest program, ported to DOS, and then Windows by Math 阅读全文
posted @ 2022-03-09 09:30
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Double Data Rate Synchronous Dynamic Random-Access Memory, officially abbreviated as DDR SDRAM, is a double data rate (DDR) synchronous dynamic random 阅读全文
posted @ 2022-03-09 08:58
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VLIW, Very Long Instruction Word, 超长指令字的大概其意思是：编译器优化汇编代码，把比如4条可以同时执行的指令搞成一条Very Long指令。如果只找到了2~3条，就插入2~1条NOP指令。很自然地，指令/机器码F0表示可以并行，后面来一堆指令，再来条F1表示结束并行 阅读全文
posted @ 2022-03-09 00:04
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