软件包:mmmulti(0.1-3)
memory backed multimap
This implements a memory backed multimap intended for use where:
* your keys are integers, or can be mapped to dense range of integers, * the memory mapped file is on fast storage, like an SSD (although this is not a requirement), * you have arbitrary values of fixed size (e.g. structs, other POD types) that can be sorted, * you don't need dynamic updates of the table, * and you are likely to run out of memory of you use a traditional map or hash table, * but you can handle approximately 1 bit per record in RAM.
These may seem to be very specific, but many problems can be mapped into a dense integer set. mmmulti::map developed first as a data structure to support seqwish, which uses it to generate precise variation graphs from pairwise alignments between collections of sequences. As this multimap forms a key data processing kernel in the algorithm, it can scale to extremely large problem sizes, limited only by available disk space. Although performance is much slower than an in-memory structure, it is virtually guaranteed to be able to complete the compute.
其他与 mmmulti 有关的软件包
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- dep: libatomic1 (>= 4.8)
- 提供 __atomic 内置函数的支持库
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- dep: libc6 (>= 2.34)
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同时作为一个虚包由这些包填实: libc6-udeb
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- dep: libgcc-s1 (>= 3.0)
- GCC 支持库
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- dep: libgomp1 (>= 4.9)
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- dep: libsdsl3 (>= 2.1.1+dfsg)
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- dep: libstdc++6 (>= 13.1)
- GNU 标准 C++ 库,第3版