node left-pad

left-pad.txt

[nelhage@monomorphique:~/code/accidentallyquadratic]$ perf stat node data/left-pad-npm.js 500000

 Performance counter stats for 'node data/left-pad-npm.js 500000':

       7294.942072      task-clock (msec)         #    0.951 CPUs utilized          
             1,010      context-switches          #    0.138 K/sec                  
                15      cpu-migrations            #    0.002 K/sec                  
           446,352      page-faults               #    0.061 M/sec                  
    19,765,021,583      cycles                    #    2.709 GHz                    
   <not supported>      stalled-cycles-frontend  
   <not supported>      stalled-cycles-backend   
    37,497,528,945      instructions              #    1.90  insns per cycle        
     6,784,841,924      branches                  #  930.075 M/sec                  
         7,159,163      branch-misses             #    0.11% of all branches        

       7.670671934 seconds time elapsed

[nelhage@monomorphique:~/code/accidentallyquadratic]$ perf stat node data/left-pad-npm.js 250000

 Performance counter stats for 'node data/left-pad-npm.js 250000':

       1079.494304      task-clock (msec)         #    0.926 CPUs utilized          
                97      context-switches          #    0.090 K/sec                  
                 4      cpu-migrations            #    0.004 K/sec                  
             6,439      page-faults               #    0.006 M/sec                  
     2,937,848,777      cycles                    #    2.722 GHz                    
   <not supported>      stalled-cycles-frontend  
   <not supported>      stalled-cycles-backend   
     6,286,215,265      instructions              #    2.14  insns per cycle        
     1,119,087,906      branches                  # 1036.678 M/sec                  
         1,267,388      branch-misses             #    0.11% of all branches        

       1.166320511 seconds time elapsed