Race condition - Revision history

Michael_Aivaliotis at 10:12, 8 October 2007

2007-10-08T10:12:35Z

← Older revision		Revision as of 10:12, 8 October 2007
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	* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)		* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

			[[category:LabVIEW fundamentals]]

Michael_Aivaliotis: /* Summary */

2007-10-08T08:56:33Z

Summary

← Older revision		Revision as of 08:56, 8 October 2007
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	== Summary ==		== Summary ==
			Local and global variables can break the [[data flow]] model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.
	Local and global variables can break the [[~~Data Flow~~]] model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.

	== External links ==		== External links ==

	* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)		* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

Pbrooks100: /* Summary */

2007-07-09T21:23:58Z

Summary

← Older revision		Revision as of 21:23, 9 July 2007
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	== Summary ==		== Summary ==

	Local and global variables can break the [[~~data flow~~]] model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.		Local and global variables can break the [[Data Flow]] model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.

	== External links ==		== External links ==

	* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)		* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

Pbrooks100: /* Summary */

2007-07-09T21:20:42Z

Summary

← Older revision		Revision as of 21:20, 9 July 2007
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	== Summary ==		== Summary ==

	Local and global variables can break the ~~#REDIRECT~~ [[data flow]] model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.		Local and global variables can break the [[data flow]] model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.

	== External links ==		== External links ==

	* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)		* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

Pbrooks100: /* Summary */

2007-07-09T21:19:17Z

Summary

← Older revision		Revision as of 21:19, 9 July 2007
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	== Summary ==		== Summary ==

	Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.		Local and global variables can break the #REDIRECT [[data flow]] model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.

	== External links ==		== External links ==

	* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)		* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

Pbrooks100: /* Summary */

2007-06-28T00:48:20Z

Summary

← Older revision		Revision as of 00:48, 28 June 2007
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	== Summary ==		== Summary ==

	Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control.		Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control. If the VI is not a UI (front panel visible when running), place the indicators outside the loop and update them once when the loop is complete.

	== External links ==		== External links ==

	* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)		* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

MichaelAivaliotis: renamed "External Links" to "External links" to confrom to style guidelines.

2007-06-22T18:10:20Z

renamed "External Links" to "External links" to confrom to style guidelines.

← Older revision		Revision as of 18:10, 22 June 2007
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	Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control.		Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control.

	== External ~~Links~~ ==		== External links ==

	* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)		* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

MichaelAivaliotis: Race Condition moved to Race condition: renaming to conform to style guidelines

2007-06-22T18:07:55Z

Race Condition moved to Race condition: renaming to conform to style guidelines

← Older revision	Revision as of 18:07, 22 June 2007
(No difference)

Jim kring: Added "External Links">>Race Condition (Wikipedia Definition)

2007-06-20T14:56:40Z

Added "External Links">>Race Condition (Wikipedia Definition)

← Older revision		Revision as of 14:56, 20 June 2007
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	Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control.		Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control.

			== External Links ==

			* [http://en.wikipedia.org/wiki/Race_condition Race Condition] (Wikipedia Definition)

Pbrooks100: /* After */

2007-06-20T13:23:53Z

After

← Older revision		Revision as of 13:23, 20 June 2007
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	== After ==		== After ==

	[[Image:No_Race_Condition.png]]		[[Image:No_Race_Condition.png\|\|frame\|center\|Race Condition Eliminated Using Data Flow]]

	~~Data flow will ensure that this VI reads 16 bytes from the beginning of the file, then 22 bytes at a time for 16 iterations.~~

			Data flow will ensure that this VI reads 16 bytes from the beginning of the file, then 22 bytes at a time for 16 iterations.

	== Summary ==		== Summary ==

	Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control.		Local and global variables can break the data flow model. If Read and Write instances of local or global variables exist on a single block diagram, they are often part of a loop structure. Variable instances should be replaced with a shift register and data written directly to the control.