Load Test Script (tuned for Kabylake i7 8750H on the Eurocom Q6)

loadtest.sh

#!/bin/bash


JOBS=(1 3 6 12 24 48 96)
ENCODE_THREADS=(1 3 6)
NUM_CPU_THREADS=12


for NUM_ENCODE_THREADS in ${ENCODE_THREADS[*]}; do
  for NUM_JOBS in ${JOBS[*]}; do
    STEP=$(($NUM_CPU_THREADS/$NUM_JOBS))
    echo "Jobs" $NUM_JOBS "Enc Threads" $NUM_ENCODE_THREADS "(Seconds)"
    for (( i=0; i<5; i+=1 )); do
      START_TIME=$SECONDS
      for (( COUNTER=0; COUNTER<$NUM_CPU_THREADS; COUNTER+=$STEP )); do
        vpxenc --threads=$NUM_ENCODE_THREADS --good --cpu-used=2 --codec=vp9 --psnr -v -o test${COUNTER}.webm ~/Videos/objective-1-fast/ducks_take_off_1080p50_60f.y4m 2> cpu${COUNTER}.out &
        pids[${COUNTER}]=$!
      done

      for pid in ${pids[*]}; do
        wait $pid
      done         

      ELAPSED_TIME=$(($SECONDS - $START_TIME))
      echo -n ${ELAPSED_TIME}" "
    done
    printf "\n"
  done
done

Notes:

Fetch test material:

mkdir -p ~/Videos/objective-1-fast
cd ~/Videos/objective-1-fast
wget -c -v -nc https://people.xiph.org/~tdaede/sets/objective-1-fast/ducks_take_off_1080p50_60f.y4m

Then run the script above.