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davyzhu
Joined: 23 May 2004
Posts: 521
Helped: 3
Location: oriental
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 28 Jun 2006 7:49 Sum-Product or Product-Sum, which is better? |
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Hi all,
Sum-Product or Product-Sum, which is better in DSP design?
Thanks!
Davy
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VirtualThread
Joined: 04 Aug 2005
Posts: 84
Helped: 4
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| 28 Jun 2006 16:04 Re: Sum-Product or Product-Sum, which is better? |
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| I think Product SUM as when you do product first, it will need to deal with smaller numebrs requiring lesser memorry and processing power and vice versa.
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the_risk_master
Joined: 12 Aug 2005
Posts: 679
Helped: 59
Location: UE+MIT, Philippines, (14°N , 120°E )
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| 28 Jun 2006 16:09 Re: Sum-Product or Product-Sum, which is better? |
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| I think it depends on how will you apply it to the system you designed
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eruisi
Joined: 03 Jan 2006
Posts: 95
Helped: 15
Location: MA
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| 28 Jun 2006 18:08 Re: Sum-Product or Product-Sum, which is better? |
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I think it highly depends on the logic functions, e.g., the number of 1's in your Karnaugh Maps.
| VirtualThread wrote: |
| I think Product SUM as when you do product first, it will need to deal with smaller numebrs requiring lesser memorry and processing power and vice versa. |
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