Stop meaningless bigram computations (a86c0f1e) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/Suggest.java

+0 −33

Original line number	Diff line number	Diff line
		@@ -43,20 +43,6 @@ public class Suggest implements Dictionary.WordCallback {
		public static final int CORRECTION_FULL = 1;
		public static final int CORRECTION_FULL_BIGRAM = 2;

		/**
		* Words that appear in both bigram and unigram data gets multiplier ranging from
		* BIGRAM_MULTIPLIER_MIN to BIGRAM_MULTIPLIER_MAX depending on the score from
		* bigram data.
		*/
		public static final double BIGRAM_MULTIPLIER_MIN = 1.2;
		public static final double BIGRAM_MULTIPLIER_MAX = 1.5;

		/**
		* Maximum possible bigram frequency. Will depend on how many bits are being used in data
		* structure. Maximum bigram frequency will get the BIGRAM_MULTIPLIER_MAX as the multiplier.
		*/
		public static final int MAXIMUM_BIGRAM_FREQUENCY = 127;

		// It seems the following values are only used for logging.
		public static final int DIC_USER_TYPED = 0;
		public static final int DIC_MAIN = 1;
		@@ -476,25 +462,6 @@ public class Suggest implements Dictionary.WordCallback {
		}
		}
		} else {
		if (dataType == Dictionary.UNIGRAM) {
		// Check if the word was already added before (by bigram data)
		int bigramSuggestion = searchBigramSuggestion(word,offset,length);
		if(bigramSuggestion >= 0) {
		dataTypeForLog = Dictionary.BIGRAM;
		// turn freq from bigram into multiplier specified above
		double multiplier = (((double) mBigramSuggestions.get(bigramSuggestion).mScore)
		/ MAXIMUM_BIGRAM_FREQUENCY)
		* (BIGRAM_MULTIPLIER_MAX - BIGRAM_MULTIPLIER_MIN)
		+ BIGRAM_MULTIPLIER_MIN;
		/* Log.d(TAG,"bigram num: " + bigramSuggestion
		+ " wordB: " + mBigramSuggestions.get(bigramSuggestion).toString()
		+ " currentScore: " + score + " bigramScore: "
		+ mBigramScores[bigramSuggestion]
		+ " multiplier: " + multiplier); */
		score = (int)Math.round((score * multiplier));
		}
		}

		// Check the last one's score and bail
		if (suggestions.size() >= prefMaxSuggestions
		&& suggestions.get(prefMaxSuggestions - 1).mScore >= score) return true;