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90 changes: 90 additions & 0 deletions
90
src/benchmark/scala/io/iohk/ethereum/mpt/MerklePatriciaTreeSpeedSpec.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package io.iohk.ethereum.mpt | ||
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| import java.io.File | ||
| import java.nio.file.Files | ||
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| import io.iohk.ethereum.db.dataSource.{EphemDataSource, LevelDBDataSource, LevelDbConfig} | ||
| import io.iohk.ethereum.db.storage.{ArchiveNodeStorage, NodeStorage} | ||
| import io.iohk.ethereum.mpt.MerklePatriciaTrie.defaultByteArraySerializable | ||
| import io.iohk.ethereum.utils.Logger | ||
| import io.iohk.ethereum.{ObjectGenerators, crypto} | ||
| import org.scalatest.FunSuite | ||
| import org.scalatest.prop.PropertyChecks | ||
| import org.spongycastle.util.encoders.Hex | ||
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| class MerklePatriciaTreeSpeedSpec extends FunSuite | ||
| with PropertyChecks | ||
| with ObjectGenerators | ||
| with Logger | ||
| with PersistentStorage { | ||
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| test("Performance test (From: https://github.com/ethereum/wiki/wiki/Benchmarks)") { | ||
| val Rounds = 1000 | ||
| val Symmetric = true | ||
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| val start: Long = System.currentTimeMillis | ||
| val emptyTrie = MerklePatriciaTrie[Array[Byte], Array[Byte]](new ArchiveNodeStorage(new NodeStorage(EphemDataSource()))) | ||
| var seed: Array[Byte] = Array.fill(32)(0.toByte) | ||
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| val trieResult = (0 until Rounds).foldLeft(emptyTrie) { case (recTrie, i) => | ||
| seed = Node.hashFn(seed) | ||
| if (!Symmetric) recTrie.put(seed, seed) | ||
| else { | ||
| val mykey = seed | ||
| seed = Node.hashFn(seed) | ||
| val myval = if ((seed(0) & 0xFF) % 2 == 1) Array[Byte](seed.last) else seed | ||
| recTrie.put(mykey, myval) | ||
| } | ||
| } | ||
| val rootHash = Hex.toHexString(trieResult.getRootHash) | ||
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| log.debug("Time taken(ms): " + (System.currentTimeMillis - start)) | ||
| log.debug("Root hash obtained: " + rootHash) | ||
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| if (Symmetric) assert(rootHash.take(4) == "36f6" && rootHash.drop(rootHash.length - 4) == "93a3") | ||
| else assert(rootHash.take(4) == "da8a" && rootHash.drop(rootHash.length - 4) == "0ca4") | ||
| } | ||
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| test("MPT benchmark") { | ||
| withNodeStorage { ns => | ||
| val hashFn = crypto.kec256(_: Array[Byte]) | ||
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| val defaultByteArraySer = MerklePatriciaTrie.defaultByteArraySerializable | ||
| val EmptyTrie = MerklePatriciaTrie[Array[Byte], Array[Byte]](ns)(defaultByteArraySer, defaultByteArraySer) | ||
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| var t = System.currentTimeMillis() | ||
| (1 to 20000000).foldLeft(EmptyTrie){case (trie, i) => | ||
| val k = hashFn(("hello" + i).getBytes) | ||
| val v = hashFn(("world" + i).getBytes) | ||
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| if (i % 100000 == 0) { | ||
| val newT = System.currentTimeMillis() | ||
| val delta = (newT - t) / 1000.0 | ||
| t = newT | ||
| log.debug(s"=== $i elements put, time for batch is: $delta sec") | ||
| } | ||
| trie.put(k, v) | ||
| } | ||
| } | ||
| } | ||
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| } | ||
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| trait PersistentStorage { | ||
| def withNodeStorage(testCode: NodesKeyValueStorage => Unit): Unit = { | ||
| val dbPath = Files.createTempDirectory("testdb").toAbsolutePath.toString | ||
| val dataSource = LevelDBDataSource(new LevelDbConfig { | ||
| override val verifyChecksums: Boolean = true | ||
| override val paranoidChecks: Boolean = true | ||
| override val createIfMissing: Boolean = true | ||
| override val path: String = dbPath | ||
| }) | ||
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| try { | ||
| testCode(new ArchiveNodeStorage(new NodeStorage(dataSource))) | ||
| } finally { | ||
| val dir = new File(dbPath) | ||
| !dir.exists() || dir.delete() | ||
| } | ||
| } | ||
| } |
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