| # cd to native directory and run the commands | |
| run_in_venv() ( | |
| if [ -z "$VIRTUAL_ENV" ]; then | |
| source ~/git/venv/bin/activate | |
| fi | |
| $@ | |
| ) | |
| # Sets CPU into a fixed state for the call, then resets it back. | |
| bench() ( |
| #include <cstddef> | |
| #include <cstdint> // UINTPTR_MAX | |
| #include <cstring> // memcpy | |
| #include <memory> // allocator | |
| #include <type_traits> | |
| #include <utility> | |
| #if _MSC_VER | |
| # include <intrin.h> // required for CLZ builtin | |
| #endif |
| // g++ -std=c++17 -O2 advent2016_day19.cpp -o advent2016_day19 | |
| #include <iostream> | |
| #include <vector> | |
| // Each elf points to the next in a circular linked list. We don't need to store an index number, | |
| // because that is implicitly given by the location in the std::vector container where they all | |
| // reside. | |
| struct Elf { | |
| Elf* next{}; |
| // Copyright (c) 2019 Martin Ankerl | |
| // Distributed under the MIT software license, see the accompanying | |
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | |
| #pragma once | |
| #include <cstddef> | |
| #include <new> | |
| #include <type_traits> |
| class UpToExecutor { | |
| public: | |
| UpToExecutor(int64_t begin, int64_t end, int64_t step) | |
| : mBegin(begin) | |
| , mEnd(end) | |
| , mStep(step) {} | |
| template <typename Op> | |
| void operator()(Op op) { |
| #pragma once | |
| #include <bitset> | |
| #include <type_traits> | |
| namespace util { | |
| // Provides a type-safe bitset for enums | |
| template <typename E> | |
| class EnumFlags { |
Warning, results might be unstable:
Recommendations
| ns/op | op/s | err% | ins/op | cyc/op | IPC | total | benchmark |
|---|
| #include <algorithm> | |
| #include <chrono> | |
| #include <iostream> | |
| #include <random> | |
| #define LIKELY(x) __builtin_expect((x), 1) | |
| #define UNLIKELY(x) __builtin_expect((x), 0) | |
| #define NO_INLINE __attribute__((noinline)) | |
| // extremely fast random number generator that also produces very high quality random. |
| # Automatically set window title | |
| set-window-option -g automatic-rename on | |
| set-option -g set-titles on | |
| set-option -g history-limit 10000 | |
| # Enable mouse mode (tmux 2.1 and above) | |
| setw -g mouse on | |
| # remap prefix from 'C-b' to 'C-Space' | |
| unbind C-b |
Build with g++4-8, the oldest supported
CC=gcc-4.8 CXX=g++-4.8 CPPFLAGS=-D_GLIBCXX_USE_CXX11_ABI=0 ./configure --disable-wallet