Add Fingerprint2011 to ChecksumBenchmark

PiperOrigin-RevId: 686542171
google · Oct 16, 2024 · 503c9eb · 503c9eb
1 parent 5338f7c
commit 503c9eb
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diff --git a/android/guava-tests/benchmark/com/google/common/hash/ChecksumBenchmark.java b/android/guava-tests/benchmark/com/google/common/hash/ChecksumBenchmark.java
@@ -94,13 +94,31 @@ byte adler32Checksum(int reps) throws Exception {
     return result;
   }
 
+  // Fingerprint2011
+
+  @Benchmark
+  byte fingerprintHashFunction(int reps) {
+    return runHashFunction(reps, Hashing.fingerprint2011());
+  }
+
+  @Benchmark
+  byte fingerprintChecksum(int reps) throws Exception {
+    byte result = 0x01;
+    for (int i = 0; i < reps; i++) {
+      HashCode checksum = new Fingerprint2011().hashBytes(testBytes, 0, testBytes.length);
+      result = (byte) (result ^ checksum.asLong());
+    }
+    return result;
+  }
+
   // Helpers + main
 
   private byte runHashFunction(int reps, HashFunction hashFunction) {
     byte result = 0x01;
     // Trick the JVM to prevent it from using the hash function non-polymorphically
     result ^= Hashing.crc32().hashInt(reps).asBytes()[0];
     result ^= Hashing.adler32().hashInt(reps).asBytes()[0];
+    result ^= Hashing.fingerprint2011().hashInt(reps).asBytes()[0];
     for (int i = 0; i < reps; i++) {
       result ^= hashFunction.hashBytes(testBytes).asBytes()[0];
     }

diff --git a/guava-tests/benchmark/com/google/common/hash/ChecksumBenchmark.java b/guava-tests/benchmark/com/google/common/hash/ChecksumBenchmark.java
@@ -94,13 +94,31 @@ byte adler32Checksum(int reps) throws Exception {
     return result;
   }
 
+  // Fingerprint2011
+
+  @Benchmark
+  byte fingerprintHashFunction(int reps) {
+    return runHashFunction(reps, Hashing.fingerprint2011());
+  }
+
+  @Benchmark
+  byte fingerprintChecksum(int reps) throws Exception {
+    byte result = 0x01;
+    for (int i = 0; i < reps; i++) {
+      HashCode checksum = new Fingerprint2011().hashBytes(testBytes, 0, testBytes.length);
+      result = (byte) (result ^ checksum.asLong());
+    }
+    return result;
+  }
+
   // Helpers + main
 
   private byte runHashFunction(int reps, HashFunction hashFunction) {
     byte result = 0x01;
     // Trick the JVM to prevent it from using the hash function non-polymorphically
     result ^= Hashing.crc32().hashInt(reps).asBytes()[0];
     result ^= Hashing.adler32().hashInt(reps).asBytes()[0];
+    result ^= Hashing.fingerprint2011().hashInt(reps).asBytes()[0];
     for (int i = 0; i < reps; i++) {
       result ^= hashFunction.hashBytes(testBytes).asBytes()[0];
     }