<div>Hi, Experts:</div>
<div> I have a server with 24 AMD CPUs equipped, however, when I set x264 with --threads 36 <em>(36 means 24*1.5)</em>, I found the CPU usage only 800+, which means only 8 CPU cores are filled. </div>
<div> I also use top -H -p PID to detect the real threads count of x264 proc, It shows 15 threads runs simutaneous at peak, I need help that How can I fully ultilize the CPU power?</div>
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<div> My command line is:</div>
<div> SRC_FILE.yuv 720x576 -I 250 -i 25 -b 4 --b-adapt 1 --b-bias 0 --ref 6 --deblock 0:0 --bitrate 500 --qpmin 2 --qpmax 51 --qpstep 3 --ratetol 8.0 --aq-mode 0 --sar 16:15 --ipratio 1.25 --pbratio 1.25 --pass 0 --partitions all --cqm flat --direct spatial --mvrange-thread 24 --me hex --merange 16 --subme 6 --psy-rd 1.0:0.0 --mixed-refs --8x8dct --no-chroma-me --no-fast-pskip --trellis 0 --nr 0 --threads 36 --vbv-bufsize 2000 --vbv-init 0.75 --aq-strength 1 --chroma-qp-offset 10 --weightb --fps 25 -o output_file.264</div>
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<div> Thanks!</div>