tight loop
A loop of code that executes without releasing any resources to other programs or the operating system.
Consider the following pointless BASIC loop that counts upward indefinitely10 i = i + 1 20 GOTO 10Run on a single-user system such as MS-DOS this will not cause any problems. Run on a cooperative multitasking operating system such as Windows 3, the system would appear to freeze. A pre-emptive multitasking operating system such as UNIX or Windows NT would "steal" cycles away from the program and continue to run other programs. See also busy-wait and multitasking.
Last updated: 1999-05-06
Nearby terms:
TIFF ♦ tiger team ♦ tight loop ♦ tilde ♦ TILE Forth ♦ Tim Berners-Lee
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