From c19da598573f650f8a4b30b1194d2615b39208e1 Mon Sep 17 00:00:00 2001
From: nttstar <guojia@gmail.com>
Date: Mon, 22 Jan 2018 21:36:52 +0800
Subject: [PATCH] add benchmark

---
 src/utils/benchmark.py | 101 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/utils/benchmark.py

diff --git a/src/utils/benchmark.py b/src/utils/benchmark.py
new file mode 100644
index 0000000..057194d
--- /dev/null
+++ b/src/utils/benchmark.py
@@ -0,0 +1,101 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+import os
+import sys
+import datetime
+import mxnet as mx
+from mxnet import ndarray as nd
+import random
+import argparse
+import cv2
+import time
+import sklearn
+from sklearn.decomposition import PCA
+from easydict import EasyDict as edict
+from sklearn.cluster import DBSCAN
+import numpy as np
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'common'))
+import face_image
+
+def ch_dev(arg_params, aux_params, ctx):
+  new_args = dict()
+  new_auxs = dict()
+  for k, v in arg_params.items():
+    new_args[k] = v.as_in_context(ctx)
+  for k, v in aux_params.items():
+    new_auxs[k] = v.as_in_context(ctx)
+  return new_args, new_auxs
+
+
+def main(args):
+  ctx = mx.gpu(args.gpu)
+  args.ctx_num = 1
+  prop = face_image.load_property(args.data)
+  image_size = prop.image_size
+  print('image_size', image_size)
+  vec = args.model.split(',')
+  prefix = vec[0]
+  epoch = int(vec[1])
+  print('loading',prefix, epoch)
+  sym, arg_params, aux_params = mx.model.load_checkpoint(prefix, epoch)
+  arg_params, aux_params = ch_dev(arg_params, aux_params, ctx)
+  all_layers = sym.get_internals()
+  sym = all_layers['fc1_output']
+  #model = mx.mod.Module.load(prefix, epoch, context = ctx)
+  model = mx.mod.Module(symbol=sym, context=ctx, label_names = None)
+  #model.bind(data_shapes=[('data', (args.batch_size, 3, image_size[0], image_size[1]))], label_shapes=[('softmax_label', (args.batch_size,))])
+  model.bind(data_shapes=[('data', (args.batch_size, 3, image_size[0], image_size[1]))])
+  model.set_params(arg_params, aux_params)
+  path_imgrec = os.path.join(args.data, 'train.rec')
+  path_imgidx = os.path.join(args.data, 'train.idx')
+  imgrec = mx.recordio.MXIndexedRecordIO(path_imgidx, path_imgrec, 'r')  # pylint: disable=redefined-variable-type
+  s = imgrec.read_idx(0)
+  header, _ = mx.recordio.unpack(s)
+  assert header.flag>0
+  print('header0 label', header.label)
+  header0 = (int(header.label[0]), int(header.label[1]))
+  #assert(header.flag==1)
+  imgidx = range(1, int(header.label[0]))
+  stat = []
+  count = 0
+  data = nd.zeros( (1 ,3, image_size[0], image_size[1]) )
+  label = nd.zeros( (1,) )
+  for idx in imgidx:
+    if len(stat)%100==0:
+      print('processing', len(stat))
+    s = imgrec.read_idx(idx)
+    header, img = mx.recordio.unpack(s)
+    img = mx.image.imdecode(img)
+    img = nd.transpose(img, axes=(2, 0, 1))
+    data[0][:] = img
+    #input_blob = np.expand_dims(img.asnumpy(), axis=0)
+    #arg_params["data"] = mx.nd.array(input_blob, ctx)
+    #arg_params["softmax_label"] = mx.nd.empty((1,), ctx)
+    time_now = datetime.datetime.now()
+    #exe = sym.bind(ctx, arg_params ,args_grad=None, grad_req="null", aux_states=aux_params)
+    #exe.forward(is_train=False)
+    #_embedding = exe.outputs[0].asnumpy().flatten()
+    #db = mx.io.DataBatch(data=(data,), label=(label,))
+    db = mx.io.DataBatch(data=(data,))
+    model.forward(db, is_train=False)
+    net_out = model.get_outputs()[0].asnumpy()
+    time_now2 = datetime.datetime.now()
+    diff = time_now2 - time_now
+    stat.append(diff.total_seconds())
+    if len(stat)==args.param1:
+      break
+  stat = stat[10:]
+  print('avg infer time', np.mean(stat))
+
+if __name__ == '__main__':
+  parser = argparse.ArgumentParser(description='do network benchmark')
+  # general
+  parser.add_argument('--gpu', default=0, type=int, help='')
+  parser.add_argument('--data', default='', type=str, help='')
+  parser.add_argument('--model', default='../model/softmax,50', help='path to load model.')
+  parser.add_argument('--batch-size', default=1, type=int, help='')
+  parser.add_argument('--param1', default=1010, type=int, help='')
+  args = parser.parse_args()
+  main(args)
+