Oops, the file name is actually "dfr16cifft.asm !!! ---------------------------------- OK, here goes: AS = AutoScaling BFP = BlockFloatingPoint NS = NoScaling I got this from the following file: ...\src\dsp56824evm\nos\signal\dspfunc\dfrcifft.asm Where "..." is the base directory where you installed the SDK. Also, I did NOT find this information in the SDK documentation. Regards, Art Johnson Senior Systems Analyst PMC Prime Mover Controls Inc. 3600 Gilmore Way Burnaby, B.C., Canada V5G 4R8 Phone: 604 433-4644 FAX: 604 433-5570 Email: http://www.pmc-controls.com -----Original Message----- From: Jacob Christ [mailto:] Sent: Thursday, October 31, 2002 11:31 AM To: Subject: Embedded SDK DSP Function Library Preformance Section In the Embedded SDK DSP Function Library Preformance Section (12.3) there are charts showing the instruction cycles for a particular function. Many of these tables have colums labled AS, BFP, and NS. For the life of me, I can't figure out what these mean. I have searched up and down that particular piece of documentation and can't find a thing. Some one throw me a bone (I'm sure Art knows the answer). Jacob

OK, here goes: AS = AutoScaling BFP = BlockFloatingPoint NS = NoScaling I got this from the following file: ...\src\dsp56824evm\nos\signal\dspfunc\dfrcifft.asm Where "..." is the base directory where you installed the SDK. Also, I did NOT find this information in the SDK documentation. Regards, Art Johnson Senior Systems Analyst PMC Prime Mover Controls Inc. 3600 Gilmore Way Burnaby, B.C., Canada V5G 4R8 Phone: 604 433-4644 FAX: 604 433-5570 Email: http://www.pmc-controls.com -----Original Message----- From: Jacob Christ [mailto:] Sent: Thursday, October 31, 2002 11:31 AM To: Subject: Embedded SDK DSP Function Library Preformance Section In the Embedded SDK DSP Function Library Preformance Section (12.3) there are charts showing the instruction cycles for a particular function. Many of these tables have colums labled AS, BFP, and NS. For the life of me, I can't figure out what these mean. I have searched up and down that particular piece of documentation and can't find a thing. Some one throw me a bone (I'm sure Art knows the answer). Jacob

These abbreviations stand for:

AS -> Auto scaling

BFP -> Block floating point scaling

NS -> No scaling

Each one is described in the appropriate FFT documentation, for example see chapter 11.3.11, Real Fast Fourier Transform.

Leonard

-----Original Message-----
From: Jacob Christ [mailto:j...@pontech.com]
Sent: Thursday, October 31, 2002 12:31 PM
To: m...@yahoogroups.com
Subject: [motoroladsp] Embedded SDK DSP Function Library Preformance Section

In the Embedded SDK DSP Function Library Preformance Section (12.3)
there are charts showing the instruction cycles for a particular
function. Many of these tables have colums labled AS, BFP, and NS.
For the life of me, I can't figure out what these mean. I have
searched up and down that particular piece of documentation and can't
find a thing. Some one throw me a bone (I'm sure Art knows the
answer).

Jacob

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In the Embedded SDK DSP Function Library Preformance Section (12.3) there are charts showing the instruction cycles for a particular function. Many of these tables have colums labled AS, BFP, and NS. For the life of me, I can't figure out what these mean. I have searched up and down that particular piece of documentation and can't find a thing. Some one throw me a bone (I'm sure Art knows the answer). Jacob