benwills

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <unistd.h>

int main(int argc, const char *argv[])
{    

benwills

Latency Comparison Numbers
--------------------------
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                       100   ns             20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy              3,000   ns
Send 1K bytes over 1 Gbps network        10,000   ns    0.01 ms
Read 4K randomly from SSD*              150,000   ns    0.15 ms

benwills

#include <sys/mman.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>

#define INDEX(B, P) ((P) - (B))

benwills

#include <sys/mman.h>
#include <stdlib.h>
#include <unistd.h>
 
#define report_exceptional_condition() abort ()
 
struct ring_buffer
{

benwills

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console