Fast way to save data

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Johan
Johan 2014-7-22
回答： Image Analyst 2014-7-22
Hi,
I'm writing a matlab code that performs sensitivity analyses on a crop model. It composes data into a table and saves it as a text file. It then executes another application with that file as the input, and saves the output in an array. It repeats this process about a million times.
Currently, a million iterations takes about 5 days. Using the profiler, I identified the functions that take the most time (more than half the total execution time) are all functions used to save the data table as a text file. I was wondering if you guys had any tips on how to improve this to make the program faster?
Thanks!

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回答（2 个）

Image Analyst
Image Analyst 2014-7-22
Try saving as a binary file with fwrite(), or if the other application is also a MATLAB application, save to a .mat file.
Image Analyst
Image Analyst 2014-7-22

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