amerkurev

## pep544_compare.md

      
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                markshannon
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              April 29, 2020 12:04
            
              
                Concurrency comparison
              
          
Feature
Threads
Async
Multiprocessing
PEP 554
Ideal CSP


Parallel execution
No
No
Yes
?
Yes


Shared raw memory
Yes
Yes
Limited
Limited?
No


Shared objects
Yes
Yes
No
No?
No


Overhead
Medium
Low
High
?
—
Feature	Threads	Async	Multiprocessing	PEP 554	Ideal CSP
Parallel execution	No	No	Yes	?	Yes
Shared raw memory	Yes	Yes	Limited	Limited?	No
Shared objects	Yes	Yes	No	No?	No
Overhead	Medium	Low	High	?	—