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Common bitarray #567
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Common bitarray #567
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to compute absolute maximum number of storage bytes required for a CompactSketch given the configured number of nominal entries (power of 2).
removed intermediate hash map
Improvements to getCompactSketchMaxBytes(...) Renaming of two special functions one in HeapQuickSelectSketch and the other in DirectQuickSelectSketchR. Also changed their access privilege.
And DirectQuickSelectSketchR::getOffHeapHashTableThreshold(..) to eliminate the unnecessary Math.floor(..) function.
Added new method
… into quotient-filter
…its API so QuotientFilter can use it
c-dickens
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May 31, 2024
src/main/java/org/apache/datasketches/filters/common/BitArray.java
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c-dickens
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c-dickens
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src/test/java/org/apache/datasketches/filters/quotientfilter/QuotientFilterTest.java
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c-dickens
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AlexanderSaydakov
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AlexanderSaydakov
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Refactored BloomFilter's
BitArray
class to make it common across filters. That involved making it public, so all the methods in the abstract base class now have a javadoc.BitArray now has
getBits(index, numBits)
andsetBits(index, numBits, value)
(where the max size is 64 bits) as well asassignBit(index, value)
. The QuotientFilter has been updated to use this class, and the old Bitmap wrapping some legacy CERN code has been removed.Opening this against the reviewed branch, but we probably then want to merge back into quotient-filter after that?