With jitter, the call time for a constant, in a dynamically linked library, is a...

jlouis on Aug 30, 2015 | parent | context | favorite | on: Using DTrace to measure Erlang dirty scheduler ove...

With jitter, the call time for a constant, in a dynamically linked library, is around 1200ns:

	  enacl_nif:crypto_box_ZEROBYTES/0                  
	           value  ------------- Distribution ------------- count    
	            1000 |                                         0        
	            1100 |@@@@                                     110903   
	            1200 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@      879765   
	            1300 |                                         7131     
	            1400 |                                         689      
	            1500 |                                         218      
	            1600 |                                         45       
	            1700 |                                         29

rdtsc on Aug 30, 2015 [–]

Thanks. That is a bit higher than I would expect but not too bad.