public class micro.benchmarks.ConcurrentHashBenchmark extends micro.benchmarks.BenchmarkBase
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: micro.benchmarks.ConcurrentHashBenchmark
super_class: micro.benchmarks.BenchmarkBase
{
private static final int MULTIPLIER;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 10
private static final int SIZE;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 100000
private static final int PARALLELISM;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 4
private static final java.lang.Integer[] KEYS;
descriptor: [Ljava/lang/Integer;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final java.lang.String[] STRKEYS;
descriptor: [Ljava/lang/String;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private java.util.concurrent.ConcurrentHashMap<java.lang.Integer, java.lang.Integer> prefilledMap;
descriptor: Ljava/util/concurrent/ConcurrentHashMap;
flags: (0x0002) ACC_PRIVATE
Signature: Ljava/util/concurrent/ConcurrentHashMap<Ljava/lang/Integer;Ljava/lang/Integer;>;
private java.util.concurrent.ConcurrentHashMap<java.lang.String, java.lang.String> prefilledStringMap;
descriptor: Ljava/util/concurrent/ConcurrentHashMap;
flags: (0x0002) ACC_PRIVATE
Signature: Ljava/util/concurrent/ConcurrentHashMap<Ljava/lang/String;Ljava/lang/String;>;
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc 100000
anewarray java.lang.Integer
putstatic micro.benchmarks.ConcurrentHashBenchmark.KEYS:[Ljava/lang/Integer;
1: ldc 100000
anewarray java.lang.String
putstatic micro.benchmarks.ConcurrentHashBenchmark.STRKEYS:[Ljava/lang/String;
return
LocalVariableTable:
Start End Slot Name Signature
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial micro.benchmarks.BenchmarkBase.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
public void setupInts();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=3, args_size=1
start local 0 0: aload 0
new java.util.concurrent.ConcurrentHashMap
dup
invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
putfield micro.benchmarks.ConcurrentHashBenchmark.prefilledMap:Ljava/util/concurrent/ConcurrentHashMap;
1: iconst_0
istore 1
start local 1 2: goto 7
3: StackMap locals: int
StackMap stack:
getstatic micro.benchmarks.ConcurrentHashBenchmark.KEYS:[Ljava/lang/Integer;
iload 1
iload 1
invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
aastore
4: getstatic micro.benchmarks.ConcurrentHashBenchmark.KEYS:[Ljava/lang/Integer;
iload 1
aaload
astore 2
start local 2 5: aload 0
getfield micro.benchmarks.ConcurrentHashBenchmark.prefilledMap:Ljava/util/concurrent/ConcurrentHashMap;
aload 2
aload 2
invokevirtual java.util.concurrent.ConcurrentHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
pop
end local 2 6: iinc 1 1
StackMap locals:
StackMap stack:
7: iload 1
ldc 100000
if_icmplt 3
end local 1 8: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
2 8 1 i I
5 6 2 key Ljava/lang/Integer;
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.Setup(value = org.openjdk.jmh.annotations.Level.Trial:Lorg/openjdk/jmh/annotations/Level;)
public void setupStrings();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=3, args_size=1
start local 0 0: aload 0
new java.util.concurrent.ConcurrentHashMap
dup
invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
putfield micro.benchmarks.ConcurrentHashBenchmark.prefilledStringMap:Ljava/util/concurrent/ConcurrentHashMap;
1: iconst_0
istore 1
start local 1 2: goto 7
3: StackMap locals: int
StackMap stack:
getstatic micro.benchmarks.ConcurrentHashBenchmark.STRKEYS:[Ljava/lang/String;
iload 1
iload 1
invokestatic java.lang.String.valueOf:(I)Ljava/lang/String;
aastore
4: getstatic micro.benchmarks.ConcurrentHashBenchmark.STRKEYS:[Ljava/lang/String;
iload 1
aaload
astore 2
start local 2 5: aload 0
getfield micro.benchmarks.ConcurrentHashBenchmark.prefilledStringMap:Ljava/util/concurrent/ConcurrentHashMap;
aload 2
aload 2
invokevirtual java.util.concurrent.ConcurrentHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
pop
end local 2 6: iinc 1 1
StackMap locals:
StackMap stack:
7: iload 1
ldc 100000
if_icmplt 3
end local 1 8: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
2 8 1 i I
5 6 2 key Ljava/lang/String;
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.Setup(value = org.openjdk.jmh.annotations.Level.Trial:Lorg/openjdk/jmh/annotations/Level;)
private int keySum();
descriptor: ()I
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=4, args_size=1
start local 0 0: iconst_0
istore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 6
3: StackMap locals: int int
StackMap stack:
getstatic micro.benchmarks.ConcurrentHashBenchmark.KEYS:[Ljava/lang/Integer;
iload 2
ldc 100000
irem
aaload
astore 3
start local 3 4: iload 1
aload 0
getfield micro.benchmarks.ConcurrentHashBenchmark.prefilledMap:Ljava/util/concurrent/ConcurrentHashMap;
aload 3
invokevirtual java.util.concurrent.ConcurrentHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.lang.Integer
invokevirtual java.lang.Integer.intValue:()I
iadd
istore 1
end local 3 5: iinc 2 1
StackMap locals:
StackMap stack:
6: iload 2
ldc 1000000
if_icmplt 3
end local 2 7: iload 1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
1 8 1 sum I
2 7 2 i I
4 5 3 key Ljava/lang/Integer;
private static int inParallel(java.util.function.Supplier<java.lang.Integer>);
descriptor: (Ljava/util/function/Supplier;)I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=7, locals=6, args_size=1
start local 0 0: iconst_4
newarray 10
astore 1
start local 1 1: iconst_4
anewarray java.lang.Thread
astore 2
start local 2 2: iconst_0
istore 3
start local 3 3: goto 7
4: StackMap locals: int[] java.lang.Thread[] int
StackMap stack:
iload 3
istore 4
start local 4 5: aload 2
iload 3
new micro.benchmarks.ConcurrentHashBenchmark$1
dup
aload 1
iload 4
aload 0
invokespecial micro.benchmarks.ConcurrentHashBenchmark$1.<init>:([IILjava/util/function/Supplier;)V
aastore
end local 4 6: iinc 3 1
StackMap locals:
StackMap stack:
7: iload 3
iconst_4
if_icmplt 4
end local 3 8: iconst_0
istore 3
start local 3 9: goto 12
10: StackMap locals:
StackMap stack:
aload 2
iload 3
aaload
invokevirtual java.lang.Thread.start:()V
11: iinc 3 1
StackMap locals:
StackMap stack:
12: iload 3
iconst_4
if_icmplt 10
end local 3 13: iconst_0
istore 3
start local 3 14: iconst_0
istore 4
start local 4 15: goto 22
16: StackMap locals: int
StackMap stack:
aload 2
iload 4
aaload
invokevirtual java.lang.Thread.join:()V
17: goto 20
StackMap locals:
StackMap stack: java.lang.InterruptedException
18: astore 5
start local 5 19: new java.lang.RuntimeException
dup
aload 5
invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
athrow
end local 5 20: StackMap locals:
StackMap stack:
iload 3
aload 1
iload 4
iaload
iadd
istore 3
21: iinc 4 1
StackMap locals:
StackMap stack:
22: iload 4
iconst_4
if_icmplt 16
end local 4 23: iload 3
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 24 0 action Ljava/util/function/Supplier<Ljava/lang/Integer;>;
1 24 1 results [I
2 24 2 threads [Ljava/lang/Thread;
3 8 3 i I
5 6 4 index I
9 13 3 i I
14 24 3 result I
15 23 4 i I
19 20 5 e Ljava/lang/InterruptedException;
Exception table:
from to target type
16 17 18 Class java.lang.InterruptedException
Signature: (Ljava/util/function/Supplier<Ljava/lang/Integer;>;)I
MethodParameters:
Name Flags
action
public int sequentialGet();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual micro.benchmarks.ConcurrentHashBenchmark.keySum:()I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.OutputTimeUnit(value = java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;)
org.openjdk.jmh.annotations.Benchmark()
public int parallelGet();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new micro.benchmarks.ConcurrentHashBenchmark$2
dup
aload 0
invokespecial micro.benchmarks.ConcurrentHashBenchmark$2.<init>:(Lmicro/benchmarks/ConcurrentHashBenchmark;)V
invokestatic micro.benchmarks.ConcurrentHashBenchmark.inParallel:(Ljava/util/function/Supplier;)I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.OutputTimeUnit(value = java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;)
org.openjdk.jmh.annotations.Benchmark()
private int keyHash();
descriptor: ()I
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=4, args_size=1
start local 0 0: iconst_0
istore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 6
3: StackMap locals: int int
StackMap stack:
getstatic micro.benchmarks.ConcurrentHashBenchmark.STRKEYS:[Ljava/lang/String;
iload 2
ldc 100000
irem
aaload
astore 3
start local 3 4: iload 1
aload 0
getfield micro.benchmarks.ConcurrentHashBenchmark.prefilledStringMap:Ljava/util/concurrent/ConcurrentHashMap;
aload 3
invokevirtual java.util.concurrent.ConcurrentHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.lang.String
invokevirtual java.lang.String.hashCode:()I
ixor
istore 1
end local 3 5: iinc 2 1
StackMap locals:
StackMap stack:
6: iload 2
ldc 1000000
if_icmplt 3
end local 2 7: iload 1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
1 8 1 hash I
2 7 2 i I
4 5 3 key Ljava/lang/String;
public int sequentialStringGet();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual micro.benchmarks.ConcurrentHashBenchmark.keyHash:()I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.OutputTimeUnit(value = java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;)
org.openjdk.jmh.annotations.Benchmark()
public int parallelStringGet();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new micro.benchmarks.ConcurrentHashBenchmark$3
dup
aload 0
invokespecial micro.benchmarks.ConcurrentHashBenchmark$3.<init>:(Lmicro/benchmarks/ConcurrentHashBenchmark;)V
invokestatic micro.benchmarks.ConcurrentHashBenchmark.inParallel:(Ljava/util/function/Supplier;)I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.OutputTimeUnit(value = java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;)
org.openjdk.jmh.annotations.Benchmark()
public int sequentialPut();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=4, args_size=1
start local 0 0: new java.util.concurrent.ConcurrentHashMap
dup
invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
astore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 6
3: StackMap locals: java.util.concurrent.ConcurrentHashMap int
StackMap stack:
getstatic micro.benchmarks.ConcurrentHashBenchmark.KEYS:[Ljava/lang/Integer;
iload 2
aaload
astore 3
start local 3 4: aload 1
aload 3
aload 3
invokevirtual java.util.concurrent.ConcurrentHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
pop
end local 3 5: iinc 2 1
StackMap locals:
StackMap stack:
6: iload 2
ldc 100000
if_icmplt 3
end local 2 7: aload 1
ldc 50000
invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
invokevirtual java.util.concurrent.ConcurrentHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.lang.Integer
invokevirtual java.lang.Integer.intValue:()I
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lmicro/benchmarks/ConcurrentHashBenchmark;
1 8 1 map Ljava/util/concurrent/ConcurrentHashMap<Ljava/lang/Integer;Ljava/lang/Integer;>;
2 7 2 i I
4 5 3 key Ljava/lang/Integer;
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.OutputTimeUnit(value = java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;)
org.openjdk.jmh.annotations.Benchmark()
}
SourceFile: "ConcurrentHashBenchmark.java"
NestMembers:
micro.benchmarks.ConcurrentHashBenchmark$1 micro.benchmarks.ConcurrentHashBenchmark$2 micro.benchmarks.ConcurrentHashBenchmark$3
InnerClasses:
micro.benchmarks.ConcurrentHashBenchmark$1
micro.benchmarks.ConcurrentHashBenchmark$2
micro.benchmarks.ConcurrentHashBenchmark$3
RuntimeVisibleAnnotations:
org.openjdk.jmh.annotations.State(value = org.openjdk.jmh.annotations.Scope.Benchmark:Lorg/openjdk/jmh/annotations/Scope;)