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2 commits

Author SHA1 Message Date
Ganesh Vernekar a95323c021 Add license headers to missing files (#447) 
Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>
 2018-11-06 20:19:42 +02:00
Thomas Jackson b4132df5f7 Reduce allocations for queries on HEAD (#417) 
Some benchmarks for HEAD and allocate the correct slice size in LabelValues , we already know what it'll be

This is ~15% time improvement, and ~25% allocation improvement:


```
benchmark                             old ns/op     new ns/op     delta
BenchmarkHeadPostingForMatchers-4     74452         63514         -14.69%

benchmark                             old allocs     new allocs     delta
BenchmarkHeadPostingForMatchers-4     20             13             -35.00%

benchmark                             old bytes     new bytes     delta
BenchmarkHeadPostingForMatchers-4     5425          3137          -42.18%
```

Signed-off-by: Thomas Jackson <jacksontj.89@gmail.com>
 2018-10-22 13:52:01 +03:00