exhaustive rather than cube, if ModelSet is stateless

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@195 ec762483-ff6d-05da-a07a-a48fb63a330f

1 files changed, 5 insertions, 6 deletions

diff --git a/decoder/apply_models.cc b/decoder/apply_models.cc
index 0b667de0..78f37e68 100644
--- a/decoder/apply_models.cc
+++ b/decoder/apply_models.cc
@@ -408,18 +408,17 @@ void ApplyModelSet(const Hypergraph& in,
                    const ModelSet& models,
                    const IntersectionConfiguration& config,
                    Hypergraph* out) {
-  // TODO special handling when all models are stateless
-  if (config.algorithm == 1) {
+  if (models.stateless() && config.algorithm == 0) {
+    NoPruningRescorer ma(models, smeta, in, out); // avoid overhead of best-first when no state
+    ma.Apply();
+  } else if (config.algorithm == 1) {
     int pl = config.pop_limit;
     if (pl > 100 && in.nodes_.size() > 80000) {
-      cerr << "  Note: reducing pop_limit to " << pl << " for very large forest\n";
       pl = 30;
+      cerr << "  Note: reducing pop_limit to " << pl << " for very large forest\n";
     }
     CubePruningRescorer ma(models, smeta, in, pl, out);
     ma.Apply();
-  } else if (config.algorithm == 0) {
-    NoPruningRescorer ma(models, smeta, in, out);
-    ma.Apply();
   } else {
     cerr << "Don't understand intersection algorithm " << config.algorithm << endl;
     exit(1);