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clarify timing methodology

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Neil Webber 2024-05-18 18:23:36 -05:00
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@ -180,7 +180,7 @@ The module `pdptests.py` can be used to run performance tests, like this:
python3 pdptests.py -p
By default it measures 1 million MOV R1,R0 instructions. On a 2022 Macbook Air (M2) this takes about 25 seconds (speed dependent on python version). It will show something like:
By default it measures, using the timeit module, 1 million MOV R1,R0 instructions (repeated 50 times, reporting the best result). On a 2022 Macbook Air (M2) this takes about 25 seconds (speed dependent on python version). It will show something like:
% python3 pdptests.py -p
Instruction ['010100'] took 481.5 nsecs