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We change global memory to shared memory in kernel grepx(). The code is:<br>
[[File:SharedMem.JPG|650px]]
''' Profile '''
We get the data like this:<br>
[[File:SharedData.JPG|650px]]
''' ntpb ''
We also try different ntpb and see if it effect runtime.<br>
[[File:NtpbDiff.JPG|650px]]
According to the data, the number of ntpb is not an important factor affecting time.
''' End '''
That's all for our assignment.
== Resources ==
You can see my code here: https://gist.github.com/KignorChan/764c71d9d96561e4101d9830e0bc5e69
Idea from LZW compress program: https://codereview.stackexchange.com/questions/86543/simple-lzw-compression-algorithm
