![](https://img.haomeiwen.com/i5268036/370f15e210bad0a9.png)
![](https://img.haomeiwen.com/i5268036/31d2bc78ec84ea06.png)
下图1ns那个公式错了,应该是1s/1G=1ns
1s=10^9ns
计算机中时钟周期是最小的时间单位。
主频的倒数为时钟周期。
![](https://img.haomeiwen.com/i5268036/e4bf105b4c7951ad.png)
![](https://img.haomeiwen.com/i5268036/6e59f614041dba35.png)
![](https://img.haomeiwen.com/i5268036/26e33bb1d1b178d2.png)
![](https://img.haomeiwen.com/i5268036/36fe88ee82687fa2.png)
![](https://img.haomeiwen.com/i5268036/3a8a0d74a12b0107.png)
![](https://img.haomeiwen.com/i5268036/0c6358addc266182.png)
![](https://img.haomeiwen.com/i5268036/b2d8366eac36aa60.png)
![](https://img.haomeiwen.com/i5268036/0dab0c93e29a995b.png)
![](https://img.haomeiwen.com/i5268036/f589f617337443c1.png)
![](https://img.haomeiwen.com/i5268036/df7369e8614b5360.png)
![](https://img.haomeiwen.com/i5268036/a6c4cecc3f3ebe7d.png)
![](https://img.haomeiwen.com/i5268036/27eba5fa79f0d352.png)
考虑性能提升的时候要看题干中有没有讲具体的性能瓶颈,根据具体的瓶颈来解决:访问量太大,网络问题,区域范围大,主存不够等。
下图D选项多处理机的性能和CPU数目不成正比,有极限值。
![](https://img.haomeiwen.com/i5268036/6ec90cc3d95500d7.png)
下图1ns那个公式错了,应该是1s/1G=1ns
1s=10^9ns
计算机中时钟周期是最小的时间单位。
主频的倒数为时钟周期。
考虑性能提升的时候要看题干中有没有讲具体的性能瓶颈,根据具体的瓶颈来解决:访问量太大,网络问题,区域范围大,主存不够等。
下图D选项多处理机的性能和CPU数目不成正比,有极限值。
本文标题:系统配置与性能评价
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