Revert D5393697: [Folly] Add an sfmt19937 benchmark

Summary: This reverts commit bc725838dc7f62d030c7e68bc6d229042df2b46c Differential Revision: D5393697 fbshipit-source-id: 4b9ef1e733b0ad73e6deea7ac8a52dfe785b4f2b

Revert D5393697: [Folly] Add an sfmt19937 benchmark
Summary: This reverts commit bc725838dc7f62d030c7e68bc6d229042df2b46c Differential Revision: D5393697 fbshipit-source-id: 4b9ef1e733b0ad73e6deea7ac8a52dfe785b4f2b
dcb41c96 · Christopher Dykes · Facebook Github Bot · 13feee4b · dcb41c96
Commit dcb41c96 authored Jul 11, 2017 by Christopher Dykes Committed by Facebook Github Bot Jul 11, 2017
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folly/test/RandomBenchmark.cpp folly/test/RandomBenchmark.cpp +0 -12

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--- a/folly/test/RandomBenchmark.cpp
+++ b/folly/test/RandomBenchmark.cpp
@@ -46,18 +46,6 @@ BENCHMARK(mt19937, n) {
  FOR_EACH_RANGE(i, 0, n) { doNotOptimizeAway(rng()); }
 }
-#if FOLLY_HAVE_EXTRANDOM_SFMT19937
-BENCHMARK(sfmt19937, n) {
-  BenchmarkSuspender braces;
-  std::random_device rd;
-  __gnu_cxx::sfmt19937 rng(rd());
-  braces.dismiss();
-  FOR_EACH_RANGE(i, 0, n) { doNotOptimizeAway(rng()); }
-}
-#endif
 BENCHMARK(threadprng, n) {
  BenchmarkSuspender braces;
  ThreadLocalPRNG tprng;