diff options
Diffstat (limited to 'vowpalwabbit/simple_label.cc')
| -rw-r--r-- | vowpalwabbit/simple_label.cc | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/vowpalwabbit/simple_label.cc b/vowpalwabbit/simple_label.cc index 5b4a3073..d3646ec9 100644 --- a/vowpalwabbit/simple_label.cc +++ b/vowpalwabbit/simple_label.cc @@ -118,7 +118,7 @@ float get_active_coin_bias(float k, float l, float g, float c0) return b*rs*rs; } -float query_decision(vw& all, example* ec, float k) +float query_decision(vw& all, example& ec, float k) { float bias, avg_loss, weighted_queries; if (k<=1.) @@ -126,7 +126,7 @@ float query_decision(vw& all, example* ec, float k) else{ weighted_queries = (float)(all.initial_t + all.sd->weighted_examples - all.sd->weighted_unlabeled_examples); avg_loss = (float)(all.sd->sum_loss/k + sqrt((1.+0.5*log(k))/(weighted_queries+0.0001))); - bias = get_active_coin_bias(k, avg_loss, ec->revert_weight/k, all.active_c0); + bias = get_active_coin_bias(k, avg_loss, ec.revert_weight/k, all.active_c0); } if(frand48()<bias) return 1.f/bias; @@ -134,11 +134,11 @@ float query_decision(vw& all, example* ec, float k) return -1.; } -void print_update(vw& all, example *ec) +void print_update(vw& all, example& ec) { if (all.sd->weighted_examples >= all.sd->dump_interval && !all.quiet && !all.bfgs) { - label_data* ld = (label_data*) ec->ld; + label_data* ld = (label_data*) ec.ld; char label_buf[32]; if (ld->label == FLT_MAX) strcpy(label_buf," unknown"); @@ -160,8 +160,8 @@ void print_update(vw& all, example *ec) (long int)all.sd->example_number, all.sd->weighted_examples, label_buf, - ec->final_prediction, - (long unsigned int)ec->num_features); + ec.final_prediction, + (long unsigned int)ec.num_features); all.sd->weighted_holdout_examples_since_last_dump = 0.; all.sd->holdout_sum_loss_since_last_dump = 0.0; @@ -173,39 +173,40 @@ void print_update(vw& all, example *ec) (long int)all.sd->example_number, all.sd->weighted_examples, label_buf, - ec->final_prediction, - (long unsigned int)ec->num_features); + ec.final_prediction, + (long unsigned int)ec.num_features); all.sd->sum_loss_since_last_dump = 0.0; all.sd->old_weighted_examples = all.sd->weighted_examples; VW::update_dump_interval(all); + fflush(stderr); } } -void output_and_account_example(vw& all, example* ec) +void output_and_account_example(vw& all, example& ec) { - label_data* ld = (label_data*)ec->ld; + label_data* ld = (label_data*)ec.ld; - if(ec->test_only) + if(ec.test_only) { - all.sd->weighted_holdout_examples += ec->global_weight;//test weight seen - all.sd->weighted_holdout_examples_since_last_dump += ec->global_weight; - all.sd->weighted_holdout_examples_since_last_pass += ec->global_weight; - all.sd->holdout_sum_loss += ec->loss; - all.sd->holdout_sum_loss_since_last_dump += ec->loss; - all.sd->holdout_sum_loss_since_last_pass += ec->loss;//since last pass + all.sd->weighted_holdout_examples += ec.global_weight;//test weight seen + all.sd->weighted_holdout_examples_since_last_dump += ec.global_weight; + all.sd->weighted_holdout_examples_since_last_pass += ec.global_weight; + all.sd->holdout_sum_loss += ec.loss; + all.sd->holdout_sum_loss_since_last_dump += ec.loss; + all.sd->holdout_sum_loss_since_last_pass += ec.loss;//since last pass } else { if (ld->label != FLT_MAX) all.sd->weighted_labels += ld->label * ld->weight; all.sd->weighted_examples += ld->weight; - all.sd->sum_loss += ec->loss; - all.sd->sum_loss_since_last_dump += ec->loss; - all.sd->total_features += ec->num_features; + all.sd->sum_loss += ec.loss; + all.sd->sum_loss_since_last_dump += ec.loss; + all.sd->total_features += ec.num_features; all.sd->example_number++; } - all.print(all.raw_prediction, ec->partial_prediction, -1, ec->tag); + all.print(all.raw_prediction, ec.partial_prediction, -1, ec.tag); float ai=-1; if(all.active && ld->label == FLT_MAX) @@ -218,18 +219,18 @@ void output_and_account_example(vw& all, example* ec) if(all.active && all.lda == 0) active_print_result(f, ec->final_prediction, ai, ec->tag); else if (all.lda > 0) - print_lda_result(all, f,ec->topic_predictions.begin,0.,ec->tag); + print_lda_result(all, f,ec.topic_predictions.begin,0.,ec.tag); else - all.print(f, ec->final_prediction, 0, ec->tag); + all.print(f, ec.final_prediction, 0, ec.tag); } print_update(all, ec); } -void return_simple_example(vw& all, void*, example* ec) +void return_simple_example(vw& all, void*, example& ec) { output_and_account_example(all, ec); - VW::finish_example(all,ec); + VW::finish_example(all,&ec); } bool summarize_holdout_set(vw& all, size_t& no_win_counter) |