Very poor encoding performance compared to AE CS5.5

i have been using after effects cs5.5 personal projects few years , started trial of after effects cc evaluate professional use. have imported project created in cs5.5 compare cc. preview rendering performance seems bit better, final rendering performance media encoder abysmal , unacceptable professional use.

 

the main project i'm using benchmark 4 minute video many layers, including plenty of nested compositions , psds. after effects cs5.5 can render , encode timeline h.264 mp4 in 15 minutes. doing same cc using media encoder cc same settings takes 55 minutes.

 

in case performance related h.264 codec, tried importing rendered mp4 file , rendering out wmv. took 6 minutes in  cs5.5, , 65 minutes cc / ame (65 minutes re-encode single layer video no effects?!)

 

finally, tried rendering complex 30 seconds of original project compare performance cuda on , off. cs5.5 took 3:51 (that's minutes , seconds) render section h.264. cc/ame took 8:20 render mercury cuda turned on, , 9:33 render cuda turned off (software only).

 

it looks best case, ame cc takes on twice long render after effects cs5.5, , in worst case takes 10x long. if monitor system performance during export process can see cs5.5 use 100% of cpu when rendering. however, when rendering creative cloud software, i'll see after effects cc using 30-40% , ame using 5-10% total never exceeding 50% of cpu power.

 

neither ae cc nor ame cc seems have settings control available cores or maximum cpu usage. there way convince ame use more cpu power faster rendering, or has adobe crippled our rendering performance latest software?

 

i7-4770k

16gb ram

windows 10 home

msi gtx 970

in ae cs 5.5 encoding h.264 done directly in ae in latest version of ae, have send composition ame, encoding h.264. when ame encoding ae composition uses ae headless renderer serve frames in case seems slower.

one other option render ae composition lossless format in ae , have render folder set watched folder in ame. set encode preset h.264 watched folder. see if option faster you.

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