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author | Ben Caimano <ben.caimano@10gen.com> | 2021-03-08 17:12:12 +0000 |
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committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2021-03-09 00:26:13 +0000 |
commit | 8ca55acd6ef2be43b8cc29bbe19d2845ab464105 (patch) | |
tree | 7f602a63a260486c652ce09d7fbf1581c4b614b8 /src/mongo/platform | |
parent | db2e46857ce1c2bf90fda9842287cc5940fce81c (diff) | |
download | mongo-8ca55acd6ef2be43b8cc29bbe19d2845ab464105.tar.gz |
SERVER-55041 Benchmark UUID generation and increase SecureRandom buffer size
Diffstat (limited to 'src/mongo/platform')
-rw-r--r-- | src/mongo/platform/random.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/mongo/platform/random.cpp b/src/mongo/platform/random.cpp index 2d19fc79b35..00c3cb2a068 100644 --- a/src/mongo/platform/random.cpp +++ b/src/mongo/platform/random.cpp @@ -69,8 +69,10 @@ namespace mongo { namespace { -template <size_t N> +template <size_t Bytes> struct Buffer { + static constexpr size_t kArraySize = Bytes / sizeof(uint64_t); + uint64_t pop() { return arr[--avail]; } @@ -84,7 +86,7 @@ struct Buffer { avail = arr.size(); } - std::array<uint64_t, N> arr; + std::array<uint64_t, kArraySize> arr; size_t avail = 0; }; @@ -205,7 +207,7 @@ public: private: Source _source; - Buffer<16> _buffer; + Buffer<4096> _buffer; }; SecureUrbg::SecureUrbg() : _state{std::make_unique<State>()} {} |