From 89238977fc9d8f8d9a6421b0d4f35afc200f08e7 Mon Sep 17 00:00:00 2001
From: Kenneth Heafield <kenlm@kheafield.com>
Date: Tue, 28 Feb 2012 17:23:55 -0500
Subject: Subject: where's my kenlm update?? From: Chris Dyer
 <cdyer@cs.cmu.edu>

---
 klm/lm/vocab.hh | 36 ++++++++++++++++++++++++++----------
 1 file changed, 26 insertions(+), 10 deletions(-)

(limited to 'klm/lm/vocab.hh')

diff --git a/klm/lm/vocab.hh b/klm/lm/vocab.hh
index 3c3414fb..06fdefe4 100644
--- a/klm/lm/vocab.hh
+++ b/klm/lm/vocab.hh
@@ -4,7 +4,6 @@
 #include "lm/enumerate_vocab.hh"
 #include "lm/lm_exception.hh"
 #include "lm/virtual_interface.hh"
-#include "util/key_value_packing.hh"
 #include "util/probing_hash_table.hh"
 #include "util/sorted_uniform.hh"
 #include "util/string_piece.hh"
@@ -83,7 +82,7 @@ class SortedVocabulary : public base::Vocabulary {
 
     bool SawUnk() const { return saw_unk_; }
 
-    void LoadedBinary(int fd, EnumerateVocab *to);
+    void LoadedBinary(bool have_words, int fd, EnumerateVocab *to);
 
   private:
     uint64_t *begin_, *end_;
@@ -100,6 +99,26 @@ class SortedVocabulary : public base::Vocabulary {
     std::vector<std::string> strings_to_enumerate_;
 };
 
+#pragma pack(push)
+#pragma pack(4)
+struct ProbingVocabuaryEntry {
+  uint64_t key;
+  WordIndex value;
+
+  typedef uint64_t Key;
+  uint64_t GetKey() const {
+    return key;
+  }
+
+  static ProbingVocabuaryEntry Make(uint64_t key, WordIndex value) {
+    ProbingVocabuaryEntry ret;
+    ret.key = key;
+    ret.value = value;
+    return ret;
+  }
+};
+#pragma pack(pop)
+
 // Vocabulary storing a map from uint64_t to WordIndex. 
 class ProbingVocabulary : public base::Vocabulary {
   public:
@@ -107,7 +126,7 @@ class ProbingVocabulary : public base::Vocabulary {
 
     WordIndex Index(const StringPiece &str) const {
       Lookup::ConstIterator i;
-      return lookup_.Find(detail::HashForVocab(str), i) ? i->GetValue() : 0;
+      return lookup_.Find(detail::HashForVocab(str), i) ? i->value : 0;
     }
 
     static size_t Size(std::size_t entries, const Config &config);
@@ -124,17 +143,14 @@ class ProbingVocabulary : public base::Vocabulary {
 
     void FinishedLoading(ProbBackoff *reorder_vocab);
 
+    std::size_t UnkCountChangePadding() const { return 0; }
+
     bool SawUnk() const { return saw_unk_; }
 
-    void LoadedBinary(int fd, EnumerateVocab *to);
+    void LoadedBinary(bool have_words, int fd, EnumerateVocab *to);
 
   private:
-    // std::identity is an SGI extension :-(
-    struct IdentityHash : public std::unary_function<uint64_t, std::size_t> {
-      std::size_t operator()(uint64_t arg) const { return static_cast<std::size_t>(arg); }
-    };
-
-    typedef util::ProbingHashTable<util::ByteAlignedPacking<uint64_t, WordIndex>, IdentityHash> Lookup;
+    typedef util::ProbingHashTable<ProbingVocabuaryEntry, util::IdentityHash> Lookup;
 
     Lookup lookup_;
 
-- 
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