Apache
/
lucene
mirror of https://github.com/apache/lucene.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

replace div with shift since idiv takes ~40 cycles and compiler can't do strength reduction w/o knowing ops are non-negative 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@553947 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley 2007-07-06 16:34:40 +00:00
parent 4db9625e28
commit d7c0af3f30
4 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/java/org/apache/lucene/index/DocumentWriter.java
View File

@ -323,7 +323,7 @@ final class DocumentWriter {
if (lo >= hi)
return;
int mid = (lo + hi) / 2;
int mid = (lo + hi) >>> 1;
if (postings[lo].term.compareTo(postings[mid].term) > 0) {
Posting tmp = postings[lo];

12
src/java/org/apache/lucene/index/DocumentsWriter.java
View File

@ -734,7 +734,7 @@ final class DocumentsWriter {
if (lo >= hi)
return;
int mid = (lo + hi) / 2;
int mid = (lo + hi) >>> 1;
if (comparePostings(postings[lo], postings[mid]) > 0) {
Posting tmp = postings[lo];
@ -792,7 +792,7 @@ final class DocumentsWriter {
if (lo >= hi)
return;
int mid = (lo + hi) / 2;
int mid = (lo + hi) >>> 1;
if (comparePostings(postings[lo].p, postings[mid].p) > 0) {
PostingVector tmp = postings[lo];
@ -880,9 +880,9 @@ final class DocumentsWriter {
int hashSize = fp.postingsHashSize;
// Reduce hash so it's between 25-50% full
while (fp.numPostings < hashSize/2 && hashSize >= 2)
hashSize /= 2;
hashSize *= 2;
while (fp.numPostings < (hashSize>>1) && hashSize >= 2)
hashSize >>= 1;
hashSize <<= 1;
if (hashSize != fp.postingsHash.length)
fp.rehashPostings(hashSize);
@ -1598,7 +1598,7 @@ final class DocumentsWriter {
postingsHash = newHash;
postingsHashSize = newSize;
postingsHashHalfSize = newSize/2;
postingsHashHalfSize = newSize >> 1;
}
final ByteSliceReader vectorSliceReader = new ByteSliceReader();

2
src/java/org/apache/lucene/index/FieldsReader.java
View File

@ -82,7 +82,7 @@ final class FieldsReader {
assert ((int) (indexStream.length()/8)) >= size + this.docStoreOffset;
} else {
this.docStoreOffset = 0;
this.size = (int) (indexStream.length() / 8);
this.size = (int) (indexStream.length() >> 3);
}
}

2
src/java/org/apache/lucene/index/TermVectorsReader.java
View File

@ -62,7 +62,7 @@ class TermVectorsReader implements Cloneable {
tvfFormat = checkValidFormat(tvf);
if (-1 == docStoreOffset) {
this.docStoreOffset = 0;
this.size = (int) (tvx.length() / 8);
this.size = (int) (tvx.length() >> 3);
} else {
this.docStoreOffset = docStoreOffset;
this.size = size;