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, 5 insertions, 1 deletions

diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index 31aec63b02..495458efab 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -355,7 +355,11 @@ CompilerDriver::CompilerDriver(CompilerBackend compiler_backend, InstructionSet
       jni_compiler_(NULL),
       compiler_enable_auto_elf_loading_(NULL),
       compiler_get_method_code_addr_(NULL),
-      support_boot_image_fixup_(true) {
+      support_boot_image_fixup_(true),
+      dedupe_code_("dedupe code"),
+      dedupe_mapping_table_("dedupe mapping table"),
+      dedupe_vmap_table_("dedupe vmap table"),
+      dedupe_gc_map_("dedupe gc map") {
 
   CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key");