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age author description
Wed, 28 Jan 2009 05:18:14 +0000 mas01mc insert some statistics gathering for hash tables, add _LSH_DEBUG_ macro to output LSH statistics on INDEX and QUERY multiprobeLSH
Tue, 27 Jan 2009 14:52:28 +0000 mas01mc Fixed upper-limit (T) boundary error in MultiProbe::generatePerturbationSets(x, T). Setting this too high spins algorithm1 into infinite heap allocations without possiblity of terminating. This is now silently capped at --lsh_k * 2; the algorithm halts up to this threshold. multiprobeLSH
Tue, 27 Jan 2009 03:49:19 +0000 mas01mc Working version of multiprobe LSH. Passes tests. But needs testing vis-a-vis TP improvement. In the process, found a bug in hash function projections on rare occasions admitting negative values. This only shows for large datasets and was fatal for multiprobe. multiprobeLSH
Mon, 26 Jan 2009 13:19:09 +0000 mas01mc Fixed boundary {-1,+1} order, array syntax in generate_multiprobe_keys(), boundary error in MultiProbe::valid() multiprobeLSH
Mon, 26 Jan 2009 05:42:15 +0000 mas01mc lshlib MultiProbe glue added. Compiles and links against audioDB. Fails LSH tests at the moment. multiprobeLSH
Mon, 26 Jan 2009 02:50:44 +0000 mas01mc Completed initial implementation of LSH MultiProbe class. Now needs to be joined to lshlib.cpp retrieve() method to perform multi-probe queries. multiprobeLSH
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