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author | Jason Zaugg <jzaugg@gmail.com> | 2014-02-09 19:01:35 +0100 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2014-02-09 22:09:42 +0100 |
commit | 7957f63caa7c50593e428a46e991708c6465f354 (patch) | |
tree | bc4465c5387426e34bec7ae93d5c6a331a0c323d /src | |
parent | 6f05acaa43d8aa036e26f68937e71dbae60bb5b4 (diff) | |
download | scala-7957f63caa7c50593e428a46e991708c6465f354.tar.gz scala-7957f63caa7c50593e428a46e991708c6465f354.tar.bz2 scala-7957f63caa7c50593e428a46e991708c6465f354.zip |
Optimation: use AnyRefMap in GenASM javaName caches
These are a hotspot in the backend.
Diffstat (limited to 'src')
-rw-r--r-- | src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala | 4 | ||||
-rw-r--r-- | src/reflect/scala/reflect/internal/SymbolTable.scala | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala index eb40e1dbde..b03519ce7d 100644 --- a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala +++ b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala @@ -171,10 +171,10 @@ abstract class GenASM extends SubComponent with BytecodeWriters with GenJVMASM { var pickledBytes = 0 // statistics - val javaNameCache = perRunCaches.newMap[Symbol, Name]() + val javaNameCache = perRunCaches.newAnyRefMap[Symbol, Name]() // unlike javaNameCache, reverseJavaName contains entries only for class symbols and their internal names. - val reverseJavaName = perRunCaches.newMap[String, Symbol]() + val reverseJavaName = perRunCaches.newAnyRefMap[String, Symbol]() private def mkFlags(args: Int*) = args.foldLeft(0)(_ | _) private def hasPublicBitSet(flags: Int) = (flags & asm.Opcodes.ACC_PUBLIC) != 0 diff --git a/src/reflect/scala/reflect/internal/SymbolTable.scala b/src/reflect/scala/reflect/internal/SymbolTable.scala index 571c4cfa5d..802bd18a4e 100644 --- a/src/reflect/scala/reflect/internal/SymbolTable.scala +++ b/src/reflect/scala/reflect/internal/SymbolTable.scala @@ -371,6 +371,8 @@ abstract class SymbolTable extends macros.Universe def newMap[K, V]() = recordCache(mutable.HashMap[K, V]()) def newSet[K]() = recordCache(mutable.HashSet[K]()) def newWeakSet[K <: AnyRef]() = recordCache(new WeakHashSet[K]()) + + def newAnyRefMap[K <: AnyRef, V]() = recordCache(mutable.AnyRefMap[K, V]()) def newGeneric[T](f: => T): () => T = { val NoCached: T = null.asInstanceOf[T] var cached: T = NoCached |