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< li class = "navelem" > < a class = "el" href = "namespacefaiss.html" > faiss< / a > < / li > < li class = "navelem" > < a class = "el" href = "structfaiss_1_1Score3Computer.html" > Score3Computer< / a > < / li > < / ul >
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< a href = "#pub-methods" > Public Member Functions< / a > |
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< a href = "structfaiss_1_1Score3Computer-members.html" > List of all members< / a > < / div >
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< div class = "title" > faiss::Score3Computer< Ttab, Taccu > Struct Template Reference< / div > < / div >
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Inheritance diagram for faiss::Score3Computer< Ttab, Taccu > :< / div >
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< img src = "structfaiss_1_1Score3Computer.png" usemap = "#faiss::Score3Computer< Ttab, Taccu >_map" alt = "" / >
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< area href = "structfaiss_1_1PermutationObjective.html" title = "abstract class for the loss function " alt = "faiss::PermutationObjective" shape = "rect" coords = "0,0,231,24" / >
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Public Member Functions< / h2 > < / td > < / tr >
< tr class = "memitem:a07a726903418960a2d8000506d88f8e6" > < td class = "memItemLeft" align = "right" valign = "top" > Taccu  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Score3Computer.html#a07a726903418960a2d8000506d88f8e6" > compute< / a > (const int *perm) const < / td > < / tr >
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< tr class = "separator:a567feac7ddd3bb467a9ed30671caccb1" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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Taccu  < / td > < td class = "memItemRight" valign = "bottom" > < b > update_i< / b > (const int *perm, int iw, int jw, int ip0, int ip, const Ttab *n_gt_i) const < / td > < / tr >
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Taccu  < / td > < td class = "memItemRight" valign = "bottom" > < b > update_i_plane< / b > (const int *perm, int iw, int jw, int ip0, int ip, const Ttab *n_gt_i) const < / td > < / tr >
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Taccu  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Score3Computer.html#a227601c3dc8779bb13747ba04934e0c8" > update_k< / a > (const int *perm, int iw, int jw, int ip0, int ip, int jp0, int jp, int k, const Ttab *n_gt_ij) const < / td > < / tr >
< tr class = "memdesc:a227601c3dc8779bb13747ba04934e0c8" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > used for the 8 cells were the 3 indices are swapped < br / > < / td > < / tr >
< tr class = "separator:a227601c3dc8779bb13747ba04934e0c8" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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Taccu  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Score3Computer.html#a98da6005edbb5ec26311bc947866122d" > update_j_line< / a > (const int *perm, int iw, int jw, int ip0, int ip, int jp0, int jp, const Ttab *n_gt_ij) const < / td > < / tr >
< tr class = "memdesc:a98da6005edbb5ec26311bc947866122d" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > compute update on a line of k's, where i and j are swapped < br / > < / td > < / tr >
< tr class = "separator:a98da6005edbb5ec26311bc947866122d" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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Taccu  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Score3Computer.html#acf371848bac76ba275ceb5e10f805d33" > update_i_cross< / a > (const int *perm, int iw, int jw, int ip0, int ip, const Ttab *n_gt_i) const < / td > < / tr >
< tr class = "memdesc:acf371848bac76ba275ceb5e10f805d33" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > considers the 2 pairs of crossing lines j=iw or jw and k = iw or kw < br / > < / td > < / tr >
< tr class = "separator:acf371848bac76ba275ceb5e10f805d33" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a1c4537d67802aef28ccc57c4bd87f766" > < td class = "memItemLeft" align = "right" valign = "top" > double  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Score3Computer.html#a1c4537d67802aef28ccc57c4bd87f766" > compute_cost< / a > (const int *perm) const override< / td > < / tr >
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double  < / td > < td class = "memItemRight" valign = "bottom" > < b > cost_update< / b > (const int *perm, int iw, int jw) const override< / td > < / tr >
< tr class = "separator:acbce8973c5294f8495a89100c111c5b3" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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Public Attributes< / h2 > < / td > < / tr >
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std::vector< Ttab >   < / td > < td class = "memItemRight" valign = "bottom" > < b > n_gt< / b > < / td > < / tr >
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< tr class = "inherit_header pub_attribs_structfaiss_1_1PermutationObjective" > < td colspan = "2" onclick = "javascript:toggleInherit('pub_attribs_structfaiss_1_1PermutationObjective')" > < img src = "closed.png" alt = "-" / >   Public Attributes inherited from < a class = "el" href = "structfaiss_1_1PermutationObjective.html" > faiss::PermutationObjective< / a > < / td > < / tr >
< tr class = "memitem:a81657be192b4589b13a3f51fc0765c2f inherit pub_attribs_structfaiss_1_1PermutationObjective" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a81657be192b4589b13a3f51fc0765c2f" > < / a >
int  < / td > < td class = "memItemRight" valign = "bottom" > < b > n< / b > < / td > < / tr >
< tr class = "separator:a81657be192b4589b13a3f51fc0765c2f inherit pub_attribs_structfaiss_1_1PermutationObjective" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< div class = "textblock" > < h3 > template< typename Ttab, typename Taccu> < br / >
struct faiss::Score3Computer< Ttab, Taccu > < / h3 >
< p > Maintains a 3D table of elementary costs. Accumulates elements based on Hamming distance comparisons < / p >
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< p > Definition at line < a class = "el" href = "PolysemousTraining_8cpp_source.html#l00444" > 444< / a > of file < a class = "el" href = "PolysemousTraining_8cpp_source.html" > PolysemousTraining.cpp< / a > .< / p >
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< / div > < h2 class = "groupheader" > Member Function Documentation< / h2 >
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template< typename Ttab, typename Taccu> < / div >
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< td class = "memname" > Taccu < a class = "el" href = "structfaiss_1_1Score3Computer.html" > faiss::Score3Computer< / a > < Ttab, Taccu > ::compute < / td >
< td > (< / td >
< td class = "paramtype" > const int *  < / td >
< td class = "paramname" > < em > perm< / em > < / td > < td > )< / td >
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< p > the cost is a triple loop on the nc * nc * nc matrix of entries. < / p >
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< p > Definition at line < a class = "el" href = "PolysemousTraining_8cpp_source.html#l00456" > 456< / a > of file < a class = "el" href = "PolysemousTraining_8cpp_source.html" > PolysemousTraining.cpp< / a > .< / p >
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< td class = "memname" > double < a class = "el" href = "structfaiss_1_1Score3Computer.html" > faiss::Score3Computer< / a > < Ttab, Taccu > ::compute_cost < / td >
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< td > (< / td >
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< p > < a class = "el" href = "structfaiss_1_1PermutationObjective.html" title = "abstract class for the loss function " > PermutationObjective< / a > implementeation (just negates the scores for minimization) < / p >
< p > Implements < a class = "el" href = "structfaiss_1_1PermutationObjective.html" > faiss::PermutationObjective< / a > .< / p >
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< p > Definition at line < a class = "el" href = "PolysemousTraining_8cpp_source.html#l00632" > 632< / a > of file < a class = "el" href = "PolysemousTraining_8cpp_source.html" > PolysemousTraining.cpp< / a > .< / p >
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< td class = "memname" > Taccu < a class = "el" href = "structfaiss_1_1Score3Computer.html" > faiss::Score3Computer< / a > < Ttab, Taccu > ::compute_update < / td >
< td > (< / td >
< td class = "paramtype" > const int *  < / td >
< td class = "paramname" > < em > perm< / em > , < / td >
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< td class = "paramtype" > int  < / td >
< td class = "paramname" > < em > iw< / em > , < / td >
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< td class = "paramname" > < em > jw< / em >   < / td >
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< p > cost update if entries iw and jw of the permutation would be swapped.< / p >
< p > The computation is optimized by avoiding elements in the nc*nc*nc cube that are known not to change. For nc=256, this reduces the nb of cells to visit to about 6/256 th of the cells. Practical speedup is about 8x, and the code is quite complex :-/ < / p >
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< p > Definition at line < a class = "el" href = "PolysemousTraining_8cpp_source.html#l00487" > 487< / a > of file < a class = "el" href = "PolysemousTraining_8cpp_source.html" > PolysemousTraining.cpp< / a > .< / p >
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< hr / > The documentation for this struct was generated from the following file:< ul >
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< li > /data/users/hoss/faiss/< a class = "el" href = "PolysemousTraining_8cpp_source.html" > PolysemousTraining.cpp< / a > < / li >
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