random bench refactor: move to new bench/random.cpp

Author: sipa

src/Makefile.bench.include

@@ -49,6 +49,7 @@ bench_bench_bitcoin_SOURCES = \
   bench/poly1305.cpp \
   bench/pool.cpp \
   bench/prevector.cpp \
+  bench/random.cpp \
   bench/readblock.cpp \
   bench/rollingbloom.cpp \
   bench/rpc_blockchain.cpp \

src/bench/crypto_hash.cpp

@@ -196,22 +196,6 @@ static void SipHash_32b(benchmark::Bench& bench)
     });
 }
 
-static void FastRandom_32bit(benchmark::Bench& bench)
-{
-    FastRandomContext rng(true);
-    bench.run([&] {
-        rng.rand32();
-    });
-}
-
-static void FastRandom_1bit(benchmark::Bench& bench)
-{
-    FastRandomContext rng(true);
-    bench.run([&] {
-        rng.randbool();
-    });
-}
-
 static void MuHash(benchmark::Bench& bench)
 {
     MuHash3072 acc;
@@ -274,8 +258,6 @@ BENCHMARK(SHA256D64_1024_STANDARD, benchmark::PriorityLevel::HIGH);
 BENCHMARK(SHA256D64_1024_SSE4, benchmark::PriorityLevel::HIGH);
 BENCHMARK(SHA256D64_1024_AVX2, benchmark::PriorityLevel::HIGH);
 BENCHMARK(SHA256D64_1024_SHANI, benchmark::PriorityLevel::HIGH);
-BENCHMARK(FastRandom_32bit, benchmark::PriorityLevel::HIGH);
-BENCHMARK(FastRandom_1bit, benchmark::PriorityLevel::HIGH);
 
 BENCHMARK(MuHash, benchmark::PriorityLevel::HIGH);
 BENCHMARK(MuHashMul, benchmark::PriorityLevel::HIGH);

src/bench/random.cpp

@@ -0,0 +1,25 @@
+// Copyright (c) The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <bench/bench.h>
+#include <random.h>
+
+static void FastRandom_32bit(benchmark::Bench& bench)
+{
+    FastRandomContext rng(true);
+    bench.run([&] {
+        rng.rand32();
+    });
+}
+
+static void FastRandom_1bit(benchmark::Bench& bench)
+{
+    FastRandomContext rng(true);
+    bench.run([&] {
+        rng.randbool();
+    });
+}
+
+BENCHMARK(FastRandom_32bit, benchmark::PriorityLevel::HIGH);
+BENCHMARK(FastRandom_1bit, benchmark::PriorityLevel::HIGH);