jpountz commented on a change in pull request #973: LUCENE-9027: Use SIMD 
instructions to decode postings.
URL: https://github.com/apache/lucene-solr/pull/973#discussion_r347233509
 
 

 ##########
 File path: 
lucene/core/src/java/org/apache/lucene/store/ByteBufferIndexInput.java
 ##########
 @@ -107,6 +118,28 @@ public final void readBytes(byte[] b, int offset, int 
len) throws IOException {
     }
   }
 
+  @Override
+  public void readLELongs(long[] dst, int offset, int length) throws 
IOException {
+    if (curLongBufferViews == null) {
+      // Lazy init to not make pay for memory and initialization cost if you 
don't need to read arrays of longs
 
 Review comment:
   Actually I was thinking of using it to read doc IDs in BKDReader next. I 
agree doc values should probably look into it as well.

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