Shard dedupe set locks.

We're seeing contention during compilation on the dedupe locks, sharding 4 ways
on an occam brings down contention by > 5x.
Improve dedupe hash function to have a FNV hash function at its heart.
Improve naming of dedupe locks.
Tidy portable JNI compiler paramters to be pointers, given that's their primary
use.

Change-Id: I95d905f2ca5fee4e83a0034926a5f6501b4aeb79

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/utils/dedupe_set_test.cc b/compiler/utils/dedupe_set_test.cc
index 9f5e292f53..03d8b961fa 100644
--- a/compiler/utils/dedupe_set_test.cc
+++ b/compiler/utils/dedupe_set_test.cc
@@ -38,7 +38,7 @@ class DedupeHashFunc {
 TEST_F(DedupeSetTest, Test) {
   Thread* self = Thread::Current();
   typedef std::vector<uint8_t> ByteArray;
-  DedupeSet<ByteArray, size_t, DedupeHashFunc> deduplicator;
+  DedupeSet<ByteArray, size_t, DedupeHashFunc> deduplicator("test");
   ByteArray* array1;
   {
     ByteArray test1;