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[math] Generic dense matrix implementation using BLAS calls for matrix-matrix multiplication if available

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Al
2016-08-06 00:40:01 -04:00
parent d4a792f33c
commit 46cd725c13
19 changed files with 469 additions and 425 deletions
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src/logistic_regression_trainer.h
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@@ -26,8 +26,8 @@ typedef struct logistic_regression_trainer {
size_t num_features; // Number of features
khash_t(str_uint32) *label_ids; // Hashtable mapping labels to array indices
size_t num_labels; // Number of labels
matrix_t *weights; // Matrix of logistic regression weights
matrix_t *gradient; // Gradient matrix to be reused
double_matrix_t *weights; // Matrix of logistic regression weights
double_matrix_t *gradient; // Gradient matrix to be reused
khash_t(int_set) *unique_columns; // Unique columns set
uint32_array *batch_columns; // Unique columns as array
uint32_array *last_updated; // Array of length N indicating the last time each feature was updated