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The original was posted on /r/java by /u/BIackMambaTG on 2023-11-03 10:47:55.

I'm looking for a NDArray library in java that has many features similar to numpy. I mostly need element-wise operations, but also matrix manipulations like stack, flatting, concating etc. I need it to have very high performance as I will have thousands of calculations per second. My matrices will be about 500x500 (at average) So far I've tried many pure java libraries like EJML and commons math, but they lack many features. I also tried to use nd4j, but I'm getting a lot of memory leaks and very little support from their community.

Any suggestions? :)