Valerie Anne Houseman ValerieAnne563

## latency_numbers.md

      
              1 file
            
          
              25 forks
            
          
              2 comments
            
          
              77 stars
            
          
                GLMeece
                / latency_numbers.md
            
            
              Last active
              April 29, 2024 09:47
            
              
                Latency Numbers Every Programmer Should Know - MarkDown Fork
              
          
    Latency Comparison Numbers

Note: "Forked" from Latency Numbers Every Programmer Should Know


Event
Nanoseconds
Microseconds
Milliseconds
Comparison


L1 cache reference
0.5
-
-
-


Branch mispredict
5.0
-
-
-


L2 cache reference
7.0
-
-
14x L1 cache


Mutex lock/unlock
25.0
-
-
-


## comp.py
## Update! Found an alternative approach that's concise and feels much more idiomatic

def compose (f, g):
    return lambda x: f(g(x))

def comp(*args):
    return reduce(compose, args[1:], args[0])


def comp1(*args):
Event	Nanoseconds	Microseconds	Milliseconds	Comparison
L1 cache reference	0.5	-	-	-
Branch mispredict	5.0	-	-	-
L2 cache reference	7.0	-	-	14x L1 cache
Mutex lock/unlock	25.0	-	-	-
	## Update! Found an alternative approach that's concise and feels much more idiomatic

	def compose (f, g):
	return lambda x: f(g(x))

	def comp(*args):
	return reduce(compose, args[1:], args[0])


	def comp1(*args):