Questions tagged [caching]
For questions related to the effects of Mathematica's internal caching mechanisms.
23 questions
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Removing notebook cache from ExternalEvaluate
Question
While working with Python's ExternalEvaluate the intermediate calculation results with Python are stored in the notebook. (...
- 38k
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105
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Accelerate the retrieval time for Entity data
I like to use Mathematica to answer questions related to cities such as how many cities in the United States have a population greater than 100,000 and what the distribution of them would look like on ...
- 1,765
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How to download "ResourceFunction" packages onto a notebook, so I can place it in a USB and access it on a different computer
So I want to use "ResourceFunction" commands, but that requires internet, as it needs to retrieve it from the wolfram cloud. However, I want to access a number of them (such as, ...
- 357
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Memoization of functions with optional arguments
Consider the following function that generates a sparse diagonal matrix:
...
- 263
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How can I use FullSimplify output in function construction without having to re-FullSimplify? (Doubts about my workaround)
I have an expression that I want to use in a function definition. For concreteness let's take Gamma[k + 4]/k!. I know this can be simplified to ...
- 75
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Forcing NDSolve not to store full solution, in order to save memory
When using NDSolve to integrate a time-varying dynamical system (ie, an initial value problem), I often only care about the final value of the dependent variables ...
- 253
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490
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Cache a function in mathematica
I have a function of one variable $f(x): \mathbb{R}\to \mathbb{C}$ which is very difficult to evaluate. Single evaluations may take hours, and I need to use the function at a large variety of points.
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Does Mathematica reuse previous computations?
I am doing an analysis of experimental results in which I need to repeat the same GaussianFilter hundred of times on different data. As explained in the ...
- 1,352
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509
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Clever caching of a recursively defined function
I've got a function of the form f[n,s] where n is a natural number and s is a finite ...
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How to refresh or clear cached CloudObjects[]?
cross posted on community.wolfram.com
Let's create an API which creates one file each time it is called/accessed:
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- 138k
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352
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NetModel's cache in which folder?
NetModel will produce a big cache file after you use it first time.
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- 27.2k
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How to clear Integrate internal memory?
I noticed that when I call Integrate for the first time, on an integral that I know will take longer than the time limit I give it, it will abort for the first time,...
- 150k
13
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490
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SquaresR memory leak?
I have tried the following code in Mathematica 11.0.1.0 on my MacBook:
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- 133
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How to save the caching produced in processing
As my this previous post.I get a custom function which can help me got some function contain a certain option.And I have put it in my "init.m" file.
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- 27.2k
34
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GroupBy twice gives different results
Bug introduced in 7.0 or earlier and persisting through 11.1
It took me quite a lot of time to finally trace down to this strange output. I really don't know why.
First, I create a list
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- 17.4k
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109
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Evaluation of likelihood very slow
I am trying to implement a simple statistical model for the first time in Mathematica.
My model is made my one random variable which is the sum of background and signal. Background is an exponential ...
- 111
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May I restrict caching to disk when memory runs low? [duplicate]
An hour ago, I had to hard reset my laptop again because Mathematica froze the system again. When import a large file or make a mistake that produces huge arrays with complicated entries etc., I often ...
- 544
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439
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Speeding up inversion of symbolic matrices by invoking caching
Is it possible to reduce the computation time taken to find inverse of symbolic matrices USING CACHING TECHNIQUES accessible (if any)?
I am trying to compute inverse of symbolic matrices of size ...
- 2,178
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Memory problem with producing complex graphics of general type
The problem I am about to ask has appeared once here: Memory Leak in Frontend - anyone know a workaround?. However, in this question I would like to put it in a bit different context.
Problem recipe:
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9
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Caching of Graph Graphics
In this answer, Simon Woods concludes that when you display an expression with head graph more than once, something is getting stored somewhere. I looked into it too and found out this only happens if ...
- 12.2k
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Built-in Mathematica data: are they cached? how to speed up the loading?
Mathematica has numerous built-in data for science and math. Every first call to a data function in a new Mathematica session will "re-initialize indices" (download the data). Is there a way to store ...
- 73.4k
11
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Making sure that Timing[] isn't thrown off by caching
In playing with and comparing the various answers to my question here, I tried applying Timing[] to see how fast things ran, but it seemed that some of the answers (...
- 3,209
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Memoization of Rounded inputs
Memoization is a technique for improving performance by having a function remember its previous arguments. For example,
f[x_]:=f[x]=mySlowFunction[x]
will be ...
- 5,141