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Posted to commits@datasketches.apache.org by GitBox <gi...@apache.org> on 2021/01/23 03:59:04 UTC
[GitHub] [datasketches-cpp] bryanherger opened a new issue #184: Is there a HllMap C++ implementation?
bryanherger opened a new issue #184:
URL: https://github.com/apache/datasketches-cpp/issues/184
Is the HllMap available here? I see it on the website documentation and in datasketches-java, but not sure what is equivalent here.
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[GitHub] [datasketches-cpp] AlexanderSaydakov commented on issue #184: Is there a HllMap C++ implementation?
Posted by GitBox <gi...@apache.org>.
AlexanderSaydakov commented on issue #184:
URL: https://github.com/apache/datasketches-cpp/issues/184#issuecomment-766160116
HllMap in Java exists to address the problem of object overhead. Imagine a HashMap from a standard Java library with tens or hundreds of thousands of pairs, say, Integer to HllSketch. Just the object overhead will take a lot of memory. There is no such problem in C++. Try something like std::unordered_map<int, hll_sketch>. I believe it should work fine. Please let us know if you encounter any problem.
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[GitHub] [datasketches-cpp] bryanherger closed issue #184: Is there a HllMap C++ implementation?
Posted by GitBox <gi...@apache.org>.
bryanherger closed issue #184:
URL: https://github.com/apache/datasketches-cpp/issues/184
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[GitHub] [datasketches-cpp] bryanherger commented on issue #184: Is there a HllMap C++ implementation?
Posted by GitBox <gi...@apache.org>.
bryanherger commented on issue #184:
URL: https://github.com/apache/datasketches-cpp/issues/184#issuecomment-768785920
Thank you, I will try that.
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