Questions tagged [system-performance]
The system-performance tag has no usage guidance.
22
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ListPlot: Plotting large data fast
Mathematica produces fantastic-looking graphics, but it can be slow on large data sets. Here is an example for a (random) time series:
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- 1,967
29
votes
34
answers
7k
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Benchmarking with Mathematica v.12 for up to date comparison across different machines
I am planning to purchase a new computer especially to use for Mathematica programming purposes. Currently, I have MMA v.11. Could someone with Mathematica v.12 run the following benchmarking and ...
10
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3
answers
3k
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Which processor and graphics card to use for my Mathematica license
Does my Mathematica license support processors with 8 cores?
I have to choose between one of the following processors:
Intel® Xeon® E5-1630 v4 Prozessor (4 cores, 3,7 GHz, 4,0 GHz Turbo)
Intel® ...
- 11.5k
29
votes
1
answer
914
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Why is ListPlot so slow here?
While examining How can I monitor the progress of a Plot? I was surprised to discover that in some cases ListPlot in version 10.0 and 10.1 is orders of magnitude ...
- 267k
39
votes
6
answers
7k
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Mathematica 10 'Formatting Notebook Contents'
Mathematica 10 freezes while 'Formatting notebook contents'. This happens already during the startup of Mathematica and it takes a long time for Mathematica to recover. It can also happen when I am ...
- 569
20
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4
answers
2k
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16
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1
answer
295
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Major slowdown when using a ColorFunction with more than one named scheme
Bug introduced in V10.1 or earlier and persists through 11.2
Earlier Kuba noted a major slowdown with code Simon Woods posted. Here is a simplified example.
First a color function using two ...
- 267k
10
votes
11
answers
1k
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Benchmarking Mathematica 13 across machines
Many people consider the performance of MMA when choosing their computers. I feel we need some up-to-date benchmark results across hardware and systems for the major version 13, which will help a lot ...
9
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2
answers
328
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6
votes
1
answer
185
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Code in separate cells causes a kernel crash [duplicate]
Bug introduced in 11.2
If I put the following code in separate cells the Kernel crashes (dies). If I put them together in the same cell it works fine. Version 11.3.0 for Windows.
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- 15.7k
63
votes
3
answers
40k
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Mathematica vs. Python - how does Mathematica compare to Python's scientific computing suite?
Python's family of packages for scientific computing has matured rapidly. I can pretty much replicate all of Mathematica's functionalities, but with production level and open-source code using the ...
- 30.9k
34
votes
1
answer
733
views
Benchmarking: unexplained switching between high and low performance
tl;dr I am trying to accurately benchmark some vectorized operations, and compare them between systems. But benchmarking is hard to do well, and I am getting inconsistent results: performance is ...
- 231k
13
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0
answers
284
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Slow JoinAcross performance
Bug introduced in 10.3
I am using JoinAcross to combine two datasets, where the key is an Integer.
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- 4,326
13
votes
2
answers
305
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Listable built-in functions - Why are they so fast on numerical vectors?
Consider the following small example, where I calculate Exp on a large vector by employing the listability which many mathematical built-in functions have:
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- 112k
9
votes
1
answer
353
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What are the key reasons for the performance improvements in 12.3?
The built in benchmark test on my stationary workstation shows an improvement from 2.82 to 5.99, all other hardware and operating systems settings the same.
This looks very good. My question is: What ...
- 1,848
7
votes
1
answer
1k
views
Limit the amount of RAM Mathematica may access?
Trying to solve a differential equation numerically, I noticed that Mathematica used up all RAM to the extent that my operating system (Windows 10) lost responsiveness and hung up.
As a result I had ...
- 11.8k
6
votes
1
answer
194
views
Should I rasterize plots to keep my notebook file small?
I often use Mathematica notebooks as an informal "lab notebook", plotting recent results in various tabs and such. I've noticed that these files can tend to get really large; for example, my Windows ...
- 3,002
4
votes
1
answer
609
views
Long Execution Time of Reduce
I have a set of linear homogeneous equations with 8580 variables. I want to estimate the time Mathematica takes to solve the system, by solving smaller sets of ...
- 1,598
3
votes
2
answers
189
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Why is TensorExpand so slow for vector operations?
I would like to expand the following tensor expression:
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- 1,121
3
votes
1
answer
217
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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 ...
- 524
3
votes
1
answer
245
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Benchmarking in V10.1.0 not showing the correct verision of Mathematica?
Bug introduced in 10.1 and fixed in 10.3
This was done in V10.1.0, but it's showing that as if it was done in V10.0.0?
Computer Specs:(for those who are interested)
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- 4,946
1
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0
answers
107
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High performance fullscreen visualization of image sequence
What is the fastest way you can come up with to display an image sequence in fullscreen where each image in the sequence must be shown? Here is my attempt. Let's create a 1920x1080 image as this is a ...
- 449