Fast way to save data

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!

Answer 1

[Image Analyst]

Try saving as a binary file with fwrite(), or if the other application is also a MATLAB application, save to a .mat file.

Answer 2

[Image Analyst]

Try using a ramdisk: http://www.pcworld.com/article/260918/how_to_supercharge_your_pc_with_a_ram_disk.html