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Comparative Analysis of Asynchronous I/O in Multithreaded UNIX

✍ Scribed by H. CHUCK YOO

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
668 KB
Volume
26
Category
Article
ISSN
0038-0644

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✦ Synopsis

UO operations in UNIX are inherently synchronous. The need for asynchronous UO comes first from multithreaded applications where thrads cannot block for UO, and second from the fact that asynchronous VO has much less overhead than synchronous UO. There are two main approaches to accomplishing asynchronous UO in UNIX. We compare the two approaches in design and implementation, and report the results of extensive experiments to measure the performance differences.

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