From 090a64e73f94a6a35e5364a9d416dcf75c0a2938 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Tue, 29 May 2012 21:39:22 -0400
Subject: add support to rampion for accumulating k-best lists

---
 training/mpi_flex_optimize.cc | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'training/mpi_flex_optimize.cc')

diff --git a/training/mpi_flex_optimize.cc b/training/mpi_flex_optimize.cc
index a9197208..a9ead018 100644
--- a/training/mpi_flex_optimize.cc
+++ b/training/mpi_flex_optimize.cc
@@ -179,18 +179,16 @@ double ApplyRegularizationTerms(const double C,
                                 const double T,
                                 const vector<double>& weights,
                                 const vector<double>& prev_weights,
-                                vector<double>* g) {
-  assert(weights.size() == g->size());
+                                double* g) {
   double reg = 0;
   for (size_t i = 0; i < weights.size(); ++i) {
     const double prev_w_i = (i < prev_weights.size() ? prev_weights[i] : 0.0);
     const double& w_i = weights[i];
-    double& g_i = (*g)[i];
     reg += C * w_i * w_i;
-    g_i += 2 * C * w_i;
+    g[i] += 2 * C * w_i;
 
     reg += T * (w_i - prev_w_i) * (w_i - prev_w_i);
-    g_i += 2 * T * (w_i - prev_w_i);
+    g[i] += 2 * T * (w_i - prev_w_i);
   }
   return reg;
 }
@@ -365,7 +363,7 @@ int main(int argc, char** argv) {
                                 time_series_strength, // * (iter == 0 ? 0.0 : 1.0),
                                 cur_weights,
                                 prev_weights,
-                                &gg);
+                                &gg[0]);
           obj += r;
           if (mi == 0 || mi == (minibatch_iterations - 1)) {
             if (!mi) cerr << iter << ' '; else cerr << ' ';
-- 
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