Questions tagged [timing]
This Tag is used for two things: Questions regarding improving execution speed and questions where various methods are compared for execution speed.
146 questions
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Timing inside a compiled function?
I want to have multiple timings inside a compiled code. However, it turns our that AbsoluteTime[] does not work:
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- 6,063
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740
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Benchmarking USM Transform #3 vs. Mathematica’s Integrate
I’ve put together a small benchmark (results available in this notebook) comparing Mathematica’s built‑in Integrate against a USM implementation based on ...
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How can I parallelize the function evaluation in ComplexPlot?
I'm trying to visualize a function that's relatively expensive to compute with ComplexPlot.
This strikes me as an "embarrassingly parallel" task, the kind that is so trivial to parallelize ...
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1
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72
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Setting shared function values in parallel is running sequentially
I am trying to define a function whose values can be updated across different Kernels running in parallel, where each Kernel might have to use values defined by other Kernels previously in the process....
- 1,156
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Can this loop / code be optimized to find more items in the sequence?
I am looking at the code snippet for OEIS A067075.
Do[k = 1; While[Plus @@ IntegerDigits[k^3] != n^3, k++]; Print[k], {n, 1, 6}]
It does okay for the first ...
- 3,556
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105
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Stop NSolve after a certain amount of time and return calculated solutions
I am trying to solve a system of equations of the form:
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112
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Why TimeConstrained does not work when increasing the time?
I found a case where in V 14.4 TimeConstrained hangs when increasing the time from 60 seconds to 120 seconds.
This happens only in V 14.0. Same exact code works in ...
- 156k
2
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Abnormally long computation time using AppellF1 function
I am trying to use the AppellF1 function in Mathematica 13.3.1 on an Ubuntu machine with an i7 13700. The inbuilt function seems to be much slower in some cases ...
- 66
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Can we explain why Timing is inconsistent?
I am trying to speed up a code and by placing Timing statements in the code I identified a suspect calculation that I do repeatedly. In order to test out the ...
- 17.2k
1
vote
1
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249
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Creating and printing a real-time evaluation timer
I want to print a timer that starts at 0 when an evaluation begins and stops when the evaluation is completed. I have come up with the following solution using Clock...
- 13
2
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1
answer
155
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CPU time in iteration process
Let $Tx=\frac{x}{2}$ for all $x\in[0,1]$. Let $x_{0}\in[0,1]$ and set an iterative sequence $\{x_{n}\}$ by the method $x_{n+1}=Tx_{n}$. Now if $x_{0}=0.8$, then I get a convergent sequence towards the ...
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Position command runs much slower for range containing numerically evaluated Bessel function
I have a long list (about 10000) of positive numbers (here simply denoted list), for which I want to find the positions of elements lying between 0.5 and the first ...
- 1,073
14
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3
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622
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Why does Module slow down StringMatchQ by 180 times?
I knew that Module is slower than With or Block, often by several times. But it surprises me ...
- 3,467
3
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1
answer
103
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Inconsistent Timing on FinancialBond valuations
I need to do bond valuations (lots of them across lots of data) using FinancialBond.
Context & Background
I have daily interest rate data on 30 year US Treasury ...
- 14.7k
1
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1
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281
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How do I speed up this numerical integration with Bessel functions? (Tried changing Working Precision and Integration Strategies)
I need to compute the function P[b] given as follows:
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- 11