Hi Seung,
[quote user="Seung Youl Lee1"]Our algorithm is run on DM8147 simulator[/quote]
Could you please provide more details about this simulator?
Regarding DSP/C674x performance improvement, please refer to the below links:
http://processors.wiki.ti.com/index.php/C674x_DSPLIB
http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/t/142856.aspx
http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/t/278391.aspx
http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/t/198610.aspx
Regards,
Pavel