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=cdd #18328 use ancestor field, for fast forward merge

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AFTER:

[info] Benchmark                                  (set1Size)   Mode  Cnt     Score     Error   Units
[info] ORSetMergeBenchmark.mergeAddFromBothNodes           1  thrpt   10   717.362 ±  15.770  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromBothNodes          10  thrpt   10   144.862 ±   8.313  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromBothNodes          20  thrpt   10    96.004 ±   0.972  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromBothNodes         100  thrpt   10    18.735 ±   0.368  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode           1  thrpt   10  1261.825 ±  51.717  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode          10  thrpt   10   162.367 ±  21.443  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode          20  thrpt   10   103.423 ±   1.569  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode         100  thrpt   10    18.690 ±   0.642  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode            1  thrpt   10  3666.086 ± 330.087  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode           10  thrpt   10  2404.863 ± 136.244  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode           20  thrpt   10  2423.596 ± 142.533  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode          100  thrpt   10  2094.802 ± 161.307  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                    1  thrpt   10   326.784 ±   6.665  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                   10  thrpt   10   133.394 ±   4.749  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                   20  thrpt   10    88.241 ±   1.733  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                  100  thrpt   10    18.117 ±   0.543  ops/ms

BEFORE:

[info] Benchmark                                  (set1Size)   Mode  Cnt     Score    Error   Units
[info] ORSetMergeBenchmark.mergeAddFromBothNodes           1  thrpt   10   737.646 ± 10.289  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromBothNodes          10  thrpt   10   146.706 ±  6.331  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromBothNodes          20  thrpt   10    95.553 ±  1.801  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromBothNodes         100  thrpt   10    18.321 ±  0.586  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode           1  thrpt   10  1274.526 ± 23.732  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode          10  thrpt   10   162.426 ± 20.490  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode          20  thrpt   10   102.436 ±  2.435  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromOtherNode         100  thrpt   10    18.911 ±  0.659  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode            1  thrpt   10   653.358 ± 71.232  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode           10  thrpt   10   147.385 ±  2.750  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode           20  thrpt   10    94.280 ±  0.894  ops/ms
[info] ORSetMergeBenchmark.mergeAddFromSameNode          100  thrpt   10    17.922 ±  1.522  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                    1  thrpt   10   335.060 ±  8.385  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                   10  thrpt   10   134.438 ±  3.044  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                   20  thrpt   10    86.015 ±  2.145  ops/ms
[info] ORSetMergeBenchmark.mergeComplex                  100  thrpt   10    17.611 ±  0.136  ops/ms
This commit is contained in:
Patrik Nordwall 2015-09-20 14:30:00 +02:00
parent 8026e216aa
commit e10593ec31
5 changed files with 95 additions and 28 deletions
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12
akka-distributed-data/src/main/scala/akka/cluster/ddata/GSet.scala
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@ -27,7 +27,7 @@ object GSet {
* This class is immutable, i.e. "modifying" methods return a new instance.
*/
@SerialVersionUID(1L)
final case class GSet[A](elements: Set[A]) extends ReplicatedData with ReplicatedDataSerialization {
final case class GSet[A](elements: Set[A]) extends ReplicatedData with ReplicatedDataSerialization with FastMerge {
type T = GSet[A]
@ -53,9 +53,15 @@ final case class GSet[A](elements: Set[A]) extends ReplicatedData with Replicate
/**
* Adds an element to the set
*/
def add(element: A): GSet[A] = copy(elements + element)
def add(element: A): GSet[A] = assignAncestor(copy(elements + element))
override def merge(that: GSet[A]): GSet[A] = copy(elements ++ that.elements)
override def merge(that: GSet[A]): GSet[A] =
if ((this eq that) || that.isAncestorOf(this)) this.clearAncestor()
else if (this.isAncestorOf(that)) that.clearAncestor()
else {
clearAncestor()
copy(elements ++ that.elements)
}
}
object GSetKey {