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Re: IDL_IDLBridge: No gain? [message #85475 is a reply to message #85474]

Mon, 12 August 2013 08:05

Lajos Foldy
Messages: 176
Registered: December 2011

Senior Member

On Monday, August 12, 2013 3:59:43 PM UTC+2, David Grier wrote:

> Why does the execution time for one bridge depend on the number of bridges running simultaneously?

Some IDL routines are multithreaded, they are using all CPU cores. If your bridges use mainly these MT routines, their are competing for the CPU cores. Running N bridges means that each bridge gets only 1/Nth of the total CPU resources, so each bridge will be slower.

regards,
Lajos

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[Message index]

		IDL_IDLBridge: No gain? By: dg86 on Sat, 10 August 2013 13:05
		Re: IDL_IDLBridge: No gain? By: rlkling on Mon, 12 August 2013 04:08
		Re: IDL_IDLBridge: No gain? By: dg86 on Mon, 12 August 2013 06:59
		Re: IDL_IDLBridge: No gain? By: Lajos Foldy on Mon, 12 August 2013 08:05
		Re: IDL_IDLBridge: No gain? By: dg86 on Mon, 12 August 2013 08:16

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