Re: [octave] file i/o performance

[Keith Goodman]

On 5/25/05, Søren Hauberg <address@hidden> wrote:
> >>I had parts of strcmp implemented in C++, so I just finished it. For the
> >>tests I have performed this is about 40 times faster than the version
> >>shipped with Octave. Use it if you like...

It's 100 times faster for what I typically do. How do we get it into Octave?

>> x = cellfun("char(rand(1,8)*(1*'z' - 1*'a') + 1*'a')",cell(1000,1));
>> tic;strcmp(x,x{13,:});toc
ans = 0.010574
>> tic;strcmp(x,x{13,:});toc
ans = 0.0026650
>> tic;strcmp(x,x{13,:});toc
ans = 0.0023830
>> tic;strcmp(x,x{13,:});toc
ans = 0.0026950
>> cd ..
>> clear strcmp
>> tic;strcmp(x,x{13,:});toc
ans = 0.33405
>> tic;strcmp(x,x{13,:});toc
ans = 0.32350
>> tic;strcmp(x,x{13,:});toc
ans = 0.32281
>> tic;strcmp(x,x{13,:});toc
ans = 0.32319
>>
>> 0.322/0.0025
ans = 128.80
>>



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