diff options
author | 2017-08-31 10:54:11 -0700 | |
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committer | 2017-08-31 10:54:11 -0700 | |
commit | 8fd40d5ed9303c693865ff431b7565173a4b898e (patch) | |
tree | 5d3f6ce958de74e79a8bbaf71b7eb8bbd8acfecd /test/cpp/qps/interarrival.h | |
parent | c9c78ee96c5a73234513decd398a63d48f14aa89 (diff) | |
parent | 8d51e8d17e012f81ca8e94c18f525e1781130481 (diff) |
Merge github.com:grpc/grpc into wc
Diffstat (limited to 'test/cpp/qps/interarrival.h')
-rw-r--r-- | test/cpp/qps/interarrival.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/test/cpp/qps/interarrival.h b/test/cpp/qps/interarrival.h index c6e417985a..1fa310c209 100644 --- a/test/cpp/qps/interarrival.h +++ b/test/cpp/qps/interarrival.h @@ -21,7 +21,7 @@ #include <chrono> #include <cmath> -#include <cstdlib> +#include <random> #include <vector> #include <grpc++/support/config.h> @@ -75,13 +75,13 @@ class InterarrivalTimer { public: InterarrivalTimer() {} void init(const RandomDistInterface& r, int threads, int entries = 1000000) { + std::random_device devrand; + std::mt19937_64 generator(devrand()); + std::uniform_real_distribution<double> rando(0, 1); for (int i = 0; i < entries; i++) { - // rand is the only choice that is portable across POSIX and Windows - // and that supports new and old compilers - const double uniform_0_1 = - static_cast<double>(rand()) / static_cast<double>(RAND_MAX); random_table_.push_back( - static_cast<int64_t>(1e9 * r.transform(uniform_0_1))); + static_cast<int64_t>(1e9 * r.transform(rando(generator)))); + ; } // Now set up the thread positions for (int i = 0; i < threads; i++) { |