text: #!/usr/bin/env python
  # Copyright 2019 Xilinx Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  import time
  import glob
  
  import aks
  
  def usage(exe):
    print("[INFO] Usage: ")
    print("[INFO] ---------------------- ")
    print("[INFO] ", exe, " <Image Directory Path>")
  
  def main(imageDirectory):
  
    fileExtension = ('*.jpg', '*.JPEG', '*.png')
    images = []
    for ext in fileExtension:
      images.extend(glob.glob(imageDirectory + '/' + ext))
  
    kernelDir = "kernel_zoo"
    graphJson = "graph_zoo/graph_resnet50.json"
    graphName = "resnet50"
  
    sysMan = aks.SysManager()
    sysMan.loadKernels(kernelDir)
    sysMan.loadGraphs(graphJson)
    graph = sysMan.getGraph(graphName)
  
    print("[INFO] Starting enqueue... ")
    print("[INFO] Running", len(images), "images")
    sysMan.resetTimer()
    t0 = time.time()
    for i, img in enumerate(images):
      sysMan.enqueueJob(graph, img)
  
    sysMan.waitForAllResults()
    t1 = time.time()
    print("[INFO] Overall FPS : ", len(images)/(t1-t0))
  
    sysMan.report(graph)
  
    # Destroy SysMan
    sysMan.clear()
  
  if __name__ == "__main__":
    if (len(sys.argv) != 2):
      print("[ERROR] Invalid Usage!")
      usage(sys.argv[0])
    else:
      main(sys.argv[1])
  