All Questions
Tagged with compile programming
17 questions
0
votes
0
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93
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Question About Possible Ver 14.0 Bug
All: I'm running the following code. It's coming up with a persistent bug that seems to be related to the graph and processing the information; see image. Any advice? This code works fine with Ver 13....
- 1,837
2
votes
0
answers
94
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How to push the performance of this compiled function
I have the function optvals solving for two variables. For the given example of variables, I need the program to run atmost in a millisecond.
The main part of the ...
- 580
2
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89
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Large Structured Programming with Compile
Is it possible or wise to build a large program structure with only Compile?
With FunctionCompile it is possible to create ...
2
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3
answers
93
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Strange Behavior of Compile[] inside With[]
Consider, in the examples below, the difference between defining $n$ as a global variable or as an argument to function comp[], which includes a compiled function ...
- 1,627
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0
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Faster methods for performing repeated list manipulations?
I've done my best to pore over the other posts on this site, and to the best of my ability I can't seem to find a good solution to my problem, so I apologize in advance if elements of my question are ...
- 301
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1
answer
102
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How can I use Compile to implement recurrence?
I am trying to make the code for the following recurrence. Here wjoin[[i]] is used for calling values from a data set and a is a ...
- 151
10
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3
answers
775
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Can I use Compile to speed up InverseCDF?
I'm repeatedly issuing the command
P = InverseCDF[NormalDistribution[0, 1], T]
where T is either a 36- or 64-vector of real numbers (points in the unit ...
- 2,385
4
votes
1
answer
94
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Speeding up filling a matrix when approximating a double integral
I want to approximate a double integral in the process of solving a partial-integro differential equation, to then put it, next to the differential part. The integral is (after some simplifications):
\...
- 1,827
7
votes
2
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178
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How to create Functions that have Compiled functions effectively
I'm about to build a package that will provide lots of simple functions. I want these functions to run as fast as possible when evaluating numerically but still provide symbolic results when needed. ...
- 1,412
5
votes
1
answer
258
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How to avoid AppendTo when computing similarities
I need to make the calculation of the HammingDistance for strings faster. The background is that I want to be able to compare the similarity of images of a textual ...
- 1,275
3
votes
2
answers
375
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My code for solving n queens problem Compile Failed
I want to make my code for solving n-queens problem faster,
but it seems that MapIndexed can't be compiled. Mathematica return
CompiledFunction::cfse: Compiled ...
- 5,692
23
votes
3
answers
4k
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Fastest way to measure Hamming distance of integers
I am looking for a fast and robust way to calculate the Hamming distance of integers. The Hamming distance of two integers is the number of matching bits in their binary representations. I expect that ...
- 47.2k
17
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1
answer
541
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Is the sharing of variables in Module/Block within Compile documented behavior?
Today I noticed something, I think for the first time.
When used inside Compile variable values within Module (and ...
- 273k
10
votes
6
answers
2k
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How to compile the code for generate Pythagorean_triple?
I am finding Pythagorean_triple, it worked slowly. I tried to compile, but it gives some warnings.
I also use "Case" or "Do" ,both of them failed.I'm sure my CCompiler has been set correctly.
How can ...
- 15.8k
7
votes
2
answers
790
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Optimize inner loops
I'm Mathematica newbie so please be gentle :)
I have this, heavily non-optimized part of code, which I would like to speed up. I have put all matrices to be RandomReal, but in my code they take ...
- 71
14
votes
1
answer
554
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Using Apply inside Compile
In this great answer a compiled version of the Nelder-Mead algorithm is presented.
Since it works on arbitrary dimensions (i.e. arbitrary number of arguments), it has to use apply on the objective ...
- 13.8k
8
votes
3
answers
736
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Threading a compiled function over multiple arguments of different lengths
I am interested in threading a compiled function over multiple argument lists of different lengths.
I will explain this in two steps:
Suppose f is some function. Then one can define another ...
- 1,885