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Questions - bitset

redis async replication of a bitset

I am using redis to store some pretty large bitsets. Redis is run in master/slave sentinel mode. I got curious about the replication performance for very big bitsets (my bitset has a size of +-100Kbyt...
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mirk

redis

replication

bitset

Votes: 0

Answers: 1

Latest Answer

Async replication will only pass the write command eg SETBIT to the replica in most cases. If the replica falls too far behind however, the replica will get flushed (cleared out) and a full resync wil...
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namizaru

How to convert BitSet -> short array with 4 bit precision?

I want to convert the BitSet data of variable length to an array of shorts. BitSet -> short[] Every four bits of the bitset should be used to construct a new number. Example data: BitSet bits = new...
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Jotschi

java

bitset

Votes: 0

Answers: 1

Latest Answer

I came up with the following solution. A new bitset will be populated with the bits of the source and toLongArray() can be used to return the value. public static short toShort4Bit(BitSet bits, int of...
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Jotschi

How to convert short array to BitSet with 2 bit precision in Java?

I have a short array {0,2,3,1,…} which I would like to convert to a BitSet. Expected bits in bitset: 00 10 11 01 … Every two bit in the bitset should represent a short. (2-bit precision) This should w...
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Jotschi

java

bytebuffer

bitset

Votes: 0

Answers: 2

Latest Answer

My current pragmatic solution which may be okay since only 4 values need to be handled: public static BitSet transformToBitSet(short[] numbers) { BitSet data = new BitSet(); int nBit =...
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Jotschi

Print out bitset quickly in c++

Im writing a program that outputs binary, and I got alot of it I want to output to the terminal, but this takes along time. In other places in my program where I want to quickly output strings I use _...
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J. Doe

c++

performance

binary

output

bitset

Votes: 0

Answers: 2

Latest Answer

The problem is that cin and cout try to synchronize themselves with the library's stdio buffers. That's why they are generally slow; you can turn this synchronization off and this will make cout gener...
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Mina Ashraf

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