The nndes from searchivarius

nndes's Introduction

Hi there 👋

I am Leo (Leonid) Boytsov. I have been writing code for more than 30 years, professionally since 1996.

I am a Sr. Research Scientist @ Amazon AWS AI Labs (opinions are my own).
I did my pH-D mid-career @ LTI/CMU.
I speak πtorch & C++ and work on IR, NLP, and CV.
I remember dependency parsing & gradient boosted decision trees.

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nndes's Issues

incorrect GRAPH_BOTH

// found by Jichao Sun

    if (option & GRAPH_KNN) {
        // nn_new <--> nn_new
        // nn_new <--> nn_old
    }
    if (option & GRAPH_RNN) {
        // rnn_new <--> rnn_new
        // rnn_new <--> rnn_old
    }
    if (option & GRAPH_BOTH) {
        // nn_new <--> rnn_old
        // nn_new <--> rnn_new
        // nn_old <--> rnn_new
    }

If option is set to GRAPH_BOTH only, comparison is incomplete.

Original issue reported on code.google.com by [email protected] on 16 Jul 2013 at 2:14

wrong alignment size w/o SSE or AVX

./nndes -D 14  --skip 12 --gap 0 -K 20 corel.data
nndes: nndes-data.h:42: void nndes::Dataset<T, A>::reset(int, int) [with T = 
float, int A = 1]: Assertion `(ALIGN % sizeof(T)) == 0' failed.

Related code:

 24 #ifdef __GNUC__
 25 #ifdef __AVX__
 26 #define NNDES_MATRIX_ALIGN 32
 27 #else
 28 #ifdef __SSE2__
 29 #define NNDES_MATRIX_ALIGN 16
 30 #else
 31 #define NNDES_MATRIX_ALIGN 1    <---- change to 16.
 32 #endif
 33 #endif
 34 #endif

Original issue reported on code.google.com by [email protected] on 16 Jul 2013 at 2:12

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