cutlassfish

#include <stdio.h>
#include <sys/mman.h>
#include <string.h>
#include <stdint.h>

double mul(double x, double y) {        
    return x * y;
}
const int page_size = 1024 * 4;
char buf[page_size] __attribute__((aligned(page_size))) // (1)                  

cutlassfish

SUBDIRS := subdir0 subdir1

TARGET  := $(addprefix test_,$(SUBDIRS))
.PHONY: test
.PHONY: $(TARGET)

test:        
    $(MAKE) -k $(TARGET)
$(TARGET):      
    $(MAKE) -C $(subst test_,,$@) test

cutlassfish

.PHONY: test
test:
    $(MAKE) -C subdir0 test
    $(MAKE) -C subdir1 test

cutlassfish

.PHONY: test
test:
    for d in $(SUBDIRS); do \
      $(MAKE) -C $$d test;  \
    done

cutlassfish

#include <string>
#include <iostream>
#include <thread>
#include <chrono>
#include <mutex>

class Helper
{
public:
   void handle(std::string filepath,

cutlassfish

#include <mutex>

std::mutex mutex;

int main()
{
    while (!mutex.try_lock()) {
        //　ロックを取得できなかった際の処理(イベントループを回すなど)
    }
    // ロックが必要な処理. 

cutlassfish

#include <regex>
#include <vector>
#include <algorithm>
#include <iostream>

int main()
{
    std::string str("ABC,DEF,GHI,JKL");
    std::regex pattern(",");
    std::sregex_token_iterator begin(str.begin(), str.end(), pattern, -1);

cutlassfish

#include <regex>
#include <algorithm>
#include <iostream>

int main()
{
    std::string str("version 1.20.300.400");
    std::regex pattern("([0-9]+)\\.([0-9]+)\\.([0-9]+)\\.([0-9]+)");
    {
        std::sregex_token_iterator begin(str.begin(), str.end(), pattern, {1,3});

cutlassfish

#include <chrono>
#include <iostream>

int main()
{
    ThreadPool tp(5, 1000);

    for (int n = 0; n < 1000; n++) {
        auto workA = [ ] { std::cout << "WorkA"         << std::endl; };
        auto workB = [=] { std::cout << "WorkB n=" << n << std::endl; };

cutlassfish

#include <deque>
#include <vector>
#include <functional>
#include <thread>
#include <mutex>
#include <condition_variable>
#include <cassert>

template <typename T> class Queue
{