theidexisted

# Cross toolchain configuration for using clang-cl.

set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_VERSION 10.0)
set(CMAKE_SYSTEM_PROCESSOR AMD64)

set(CMAKE_C_COMPILER "/usr/bin/clang-cl-9")
set(CMAKE_CXX_COMPILER "/usr/bin/clang-cl-9")
set(CMAKE_LINKER "/usr/bin/lld-link-9")

theidexisted

#include <algorithm>
#include <cctype>
#include <fstream>
#include <iostream>
#include <iterator>
#include <set>
#include <string>

using namespace std;

theidexisted

Latency Comparison Numbers

Type	time	ms	comment
L1 cache reference	0.5 ns
Branch mispredict	5 ns
L2 cache reference	7 ns		14x L1 cache
Mutex lock/unlock	25 ns
Main memory reference	300 ns		20x L2 cache, 200x L1 cache