No GPU support for mstump #700
Replies: 1 comment 2 replies
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@barroca8 Thank you for your question/kinds words and welcome to the STUMPY community!
You're correct. There is a long-standing open issue #90 for eventually adding a
No, multi-dimensional matrix profiles are NOT equivalent to computing individual 1D matrix profiles and stacking them together. I recommend reading the MSTUMP tutorial in order to understand the difference. Given that you've asked this question, perhaps
Computing multi-dimensional matrix profiles can be very expensive. You may try subsampling your data, say, every 10th or 100th data point instead to reduce the computational time and memory requirements. |
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First of all, congratulations! I am a huge fan of your work in stumpy @seanlaw !
I noticed that there is no GPU support for
mstump
( #262 (comment) ) and I was wondering if there is anything I can do to go around this.My data has 3 dimensions in 3 columns ("x", "y", "z") and I was wondering if there was any way to do the equivalent of what would be
stumpy.gpu_mstump
for these 3 dimensions. Example:mps, indices = stumpy.gpu_mstump(df, m)
The GPU part is really important for me because simply doing this with
mstump
takes me more than 2 hours and eventually crashes the computer.If I do this process individually does it return the same results? Example:
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