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## latency_numbers.md

      
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              February 22, 2025 10:46
            
              
                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
-
-
-
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	-	-	-