1cac2be874
``` ---------------------------------------------------------------------------------------------------------- Benchmark old new ---------------------------------------------------------------------------------------------------------- std::map<int, int>::ctor(const&)/0 15.5 ns 14.9 ns std::map<int, int>::ctor(const&)/32 474 ns 321 ns std::map<int, int>::ctor(const&)/1024 24591 ns 11101 ns std::map<int, int>::ctor(const&)/8192 236153 ns 98868 ns std::map<std::string, int>::ctor(const&)/0 15.2 ns 14.9 ns std::map<std::string, int>::ctor(const&)/32 2673 ns 2340 ns std::map<std::string, int>::ctor(const&)/1024 115354 ns 86088 ns std::map<std::string, int>::ctor(const&)/8192 1298510 ns 626876 ns std::map<int, int>::operator=(const&) (into cleared Container)/0 16.5 ns 16.1 ns std::map<int, int>::operator=(const&) (into cleared Container)/32 548 ns 323 ns std::map<int, int>::operator=(const&) (into cleared Container)/1024 28418 ns 11026 ns std::map<int, int>::operator=(const&) (into cleared Container)/8192 281827 ns 97113 ns std::map<int, int>::operator=(const&) (into populated Container)/0 2.42 ns 1.85 ns std::map<int, int>::operator=(const&) (into populated Container)/32 369 ns 73.0 ns std::map<int, int>::operator=(const&) (into populated Container)/1024 24078 ns 2322 ns std::map<int, int>::operator=(const&) (into populated Container)/8192 266537 ns 22963 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/0 16.6 ns 16.2 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/32 2614 ns 1622 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/1024 116826 ns 63281 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/8192 1316655 ns 649177 ns std::map<std::string, int>::operator=(const&) (into populated Container)/0 2.42 ns 1.89 ns std::map<std::string, int>::operator=(const&) (into populated Container)/32 1264 ns 581 ns std::map<std::string, int>::operator=(const&) (into populated Container)/1024 238826 ns 39943 ns std::map<std::string, int>::operator=(const&) (into populated Container)/8192 2412327 ns 379456 ns ``` Fixes #77658 Fixes #62571
The LLVM Compiler Infrastructure
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