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Dhrystone 单片机性能测试小工具 #15

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Tracked by #9
supperthomas opened this issue Apr 5, 2022 · 4 comments
Open
Tracked by #9

Dhrystone 单片机性能测试小工具 #15

supperthomas opened this issue Apr 5, 2022 · 4 comments

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@supperthomas
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https://github.com/wuhanstudio/dhrystone

@supperthomas
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STM32L496ZG-NUCLEO

Microseconds for one run through Dhrystone: 14
Dhrystones per Second: 69823
VAX MIPS rating: 39

@supperthomas
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1.Dhrystone是测量处理器运算能力的最常见基准程序之一,是程序的一个指令常用于处理器的整型运算性能的测量。
2.MIPS/MHz 表示 CPU 在多少MHz的运行速度下可以执行多少个MIPS,如10MIPS/MHz,表示如果CPU运行在1MHz的频率下,每秒可执行一千万条指令,如果CPU运行在5MHz的频率下,每秒可执行五千万条指令。 MIPS/MHz可以很好的反映CPU的运行速度。
所以1.25DMips/MHz就表示1秒每MHZ的速度能执行1.25M个Dhrystone指令。

@supperthomas
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@supperthomas
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Microseconds for one run through Dhrystone: 4
Dhrystones per Second:                      226308
VAX  MIPS rating:                           128

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