awreece

% pprof --list=thread_scan a.out a.out.prof 
Using local file a.out.
Using local file a.out.prof.
Removing _L_unlock_16 from all stack traces.
ROUTINE ====================== thread_scan in /afs/andrew.cmu.edu/usr9/areece/15-418/profiling/try_perf.c
   199   1087 Total samples (flat / cumulative)
     .      .   55:   size_t size;
     .      .   56:   size_t* num_perfect_squares;
     .      .   57:   mutex_t * num_perfect_squares_lock;
     .      .   58: } thread_arg_t;

awreece

Percent |      Source code & Disassembly of a.out
------------------------------------------------
         :
         :
         :
         :      Disassembly of section .text:
         :
         :      0000000000400869 <thread_scan>:
         :        size_t size;
         :        size_t* num_perfect_squares;

awreece

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

int main(int argc, char** argv) {
  uint32_t* inarray = (uint32_t*) malloc(1ULL<<22);
  size_t i;

  for (i = 0; i < (1ULL<<22); i++) {
    narray[i] = rand() % 50;

awreece

Program received signal SIGSEGV, Segmentation fault.
0x000000000040094d in main (argc=1, argv=0x7fffffffe088) at try_perf.c:85
85  		inarray[i] = rand() % 50;
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.80.el6_3.6.x86_64
(gdb) x/i $pc
=> 0x40094d <main+116>:	mov    %eax,(%rbx)
(gdb) x/a $rbx
0x7ffff75a9000:	0x3010102464c457f

awreece

$ php test.php 

Fatal error: Call to a member function get_string() on a non-object in /private/tmp/test.php on line 11

awreece

require 'formula'                                                                 
                                                                                  
class Binutils < Formula                                                          
  homepage 'http://www.gnu.org/software/binutils/binutils.html'                   
  url 'http://ftpmirror.gnu.org/binutils/binutils-2.23.tar.gz'                    
  mirror 'http://ftp.gnu.org/gnu/binutils/binutils-2.23.tar.gz'                   
  sha1 '470c388c97ac8d216de33fa397d7be9f96c3fe04'                                 
                                                                                  
  option 'with-libiberty', 'Compile and install libiberty'                        
                                                                                  

awreece

module DJV = struct                                                             
  type t = { level: int; vertex: string }                                        
 
  let vertex v = v.vertex
  let level v = v.level                                                         
end
 
let _ = print_string (DJV.vertex DJV.({ level=0; vertex="hello, world\n" }))

awreece

File "temp.ml", line 4, characters 2-5:
Error: Syntax error

awreece

File "sreedhar.ml", line 30, characters 62-63:
Error: This expression has type G.V.t but an expression was expected of type
         DJG.V.t
make: *** [sreedhar.cmx] Error 2

awreece

type loop_type = Self | Irreducible | Reducible | Nonheader                        
                                                                                   
let analyze_loops g =                                                              
  let uf = UF.init () in                                                           
  let types = H.create 1337 in                                                     
  let headers = H.create 1337 in                                                   
  let preds = H.create 1337 in                                                     
  let dfs_tree = DfsTree.create g in                                               
  let is_ancestor = DfsTree.isAncestor dfs_tree in                                 
  let compute_preds w = G.fold_pred (fun v (bp,nbp) -> if is_ancestor w v