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age author description
Wed, 28 Jan 2009 16:02:17 +0000 mas01mc Fixed a bug in LSH hashtable writing to disk that doesn't always sort the t2 entries into strict weak ordering. Now it does. Lots of debugging informational code inserted. multiprobeLSH
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
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