d0k

commit 99ea7d9b3d64c51694b8cc35c6bd25b4945ab0c2
Author: Benjamin Kramer <[email protected]>
Date:   Wed Apr 25 12:39:50 2012 +0200

    X86: Turn cmovs into branches when profitable.
    
    This came up when a change in block placement formed a cmov and slowed down a
    hot loop by 50%:
    
    	ucomisd	(%rdi), %xmm0

d0k

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

#ifdef __SSE2__
#include <emmintrin.h>
#endif

static const char *SkipToNewline(const char *CurPtr, const char *BufferEnd) {
  unsigned char C = *CurPtr;

d0k

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

const char *boyer_moore_horspool(const char *h, size_t hlen,
                                const char *n, size_t nlen) {
  const unsigned char *haystack = (const unsigned char *)h;
  const unsigned char *needle = (const unsigned char *)n;

d0k

#pragma D option quiet

pid$target::malloc:entry {
  @size[probefunc] = sum(arg0);
  @totalsize = sum(arg0);
  @calls[probefunc] = count();
  @totalcalls = count();
}

pid$target::calloc:entry {

d0k

#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>

#ifndef BUFSIZ
#define BUFSIZ 1024
#endif

int main(int argc, char *argv[]) {
  if (argc < 2)

d0k

#!/usr/bin/perl

use strict;
use warnings;
use File::Find;
use Digest::MD5;

my %files;

sub wanted {

d0k

#include <algorithm>
#include <iostream>
#include <map>
#include <string>
#include <utility>
#include <vector>

typedef std::map<const std::string, unsigned> map_t;
typedef std::pair<unsigned, const std::string*> pair_t;
typedef std::vector<pair_t> array_t;

d0k

#include <stdio.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>

int main(int argc, char *argv[]) {
	DIR *dir;
	unsigned long count = 0, unlinked = 0;
	struct dirent *ent;
	int ret;

d0k

#!/usr/bin/perl

use warnings;
use strict;
use File::stat;
use File::Basename;

if (@ARGV == 0) {
	print {*STDERR} "Usage: $0 infile outfile\n";
	print {*STDERR} "Usage: $0 indir outdir\n";

d0k

/* Safari History.plist cleaner
 * compile with:
 * gcc historyclean.m -o historyclean
 */

#import <Foundation/Foundation.h>

int main(int argc, char *argv[]) {
    if (argc != 3) {
        fprintf(stderr,