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Re: Compiling file with many functions: huge performance difference between IDL and IDLDE [message #38656 is a reply to message #38531]

Thu, 18 March 2004 01:13

justspam03
Messages: 36
Registered: October 2003

Member

Hi,

your example is just generic for the kind of problem you want
to solve, I assume. Otherwise why not use a hash? A very
simple implementation (unsorted arrays) on a Pentium IV,
2.6 GHz, IDL 6.0 yields

Setting 12000 random values (key: string, value: integer):
mean 0.15 ms per entry (total ~2 seconds)
Random access of 12000 values from this set:
mean 0.3 ms per access, (total ~3.5 s)

Is the access via call_function much faster?
Cheers
Oliver

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[Message index]

		Compiling file with many functions: huge performance difference between IDL and IDLDE By: Sidney Cadot on Wed, 17 March 2004 01:47
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: Craig Markwardt on Fri, 19 March 2004 09:26
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: mwvogel on Fri, 19 March 2004 03:30
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: justspam03 on Fri, 19 March 2004 02:06
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: JD Smith on Thu, 18 March 2004 17:11
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: Sidney Cadot on Thu, 18 March 2004 14:48
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: btt on Thu, 18 March 2004 12:50
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: Sidney Cadot on Thu, 18 March 2004 12:40
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: Sidney Cadot on Thu, 18 March 2004 12:36
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: Sidney Cadot on Thu, 18 March 2004 12:32
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: justspam03 on Thu, 18 March 2004 01:13
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: andrew.cool on Wed, 17 March 2004 14:02
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: mvukovic on Wed, 17 March 2004 12:16
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: Mark Hadfield on Mon, 22 March 2004 15:45
		Re: Compiling file with many functions: huge performance difference between IDL and IDLDE By: richard.martin on Mon, 22 March 2004 05:49

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