def loop(self):
fpgaOutputShapes = []
for idx in range(len(self.output_shapes)):
fpgaOutputShape_l = self.output_shapes[idx]
fpgaOutputShape_l[0] = self.args['batch_sz']
fpgaOutputShapes.append(fpgaOutputShape_l)
if self.args['yolo_version'] == 'v2':
self.yolo_postproc = yolo.yolov2_postproc
elif self.args['yolo_version'] == 'v3':
self.yolo_postproc = yolo.yolov3_postproc
self.biases = bias_selector(self.args)
self.labels = xdnn_io.get_labels(self.args['labels'])
self.colors = generate_colors(len(self.labels))
while True:
read_slot = self._shared_output_arrs.openReadId()
if read_slot is None:
break
read_slot_arrs = self._shared_output_arrs.accessNumpyBuffer(
read_slot)
imgList = []
shape_list = []
#image_id = self._qFrom.get()
num_images = (read_slot_arrs[-1].shape)[0]
for image_num in range(num_images):
image_id = read_slot_arrs[-1][image_num][0]
if image_id == -1:
break
imgList.append(self.img_paths[int(image_id)])
shape_list.append(read_slot_arrs[-1][image_num][1:4])
if self.args["benchmarkmode"]:
self.numProcessed += len(imgList)
#self.streamQ.put(sId)
self._shared_output_arrs.closeReadId(read_slot)
continue
self.run(imgList, read_slot_arrs[0:-1], fpgaOutputShapes,
shape_list)
self._shared_output_arrs.closeReadId(read_slot)
self.finish()
def initialize(self, args):
self.numProcessed = 0
self.startTime = timeit.default_timer()
self.net = caffe.Net(args['deploymodel'], args['caffemodel'],
caffe.TEST)
self.netOut = np.empty((args['batch_sz'], ) +
self.net.blobs['layer31-conv'].data.shape[1:],
dtype=np.float32)
self.biases = bias_selector(args)
self._args['net_h'] = self.net.blobs['data'].data.shape[2]
self._args['net_w'] = self.net.blobs['data'].data.shape[3]
self.fpgaOutputShapes = list(
itervalues(
xdnn.CompilerJsonParser(self._args['netcfg']).getOutputs()))
for i in range(len(self.fpgaOutputShapes)):
self.fpgaOutputShapes[i][0] = self._args['batch_sz']
# indices for unpacking concatenated arrays to individual array.
self.buf_indices = [0]
for i, outputShape in enumerate(self.fpgaOutputShapes):
self.buf_indices.append(self.buf_indices[-1] +
np.prod(outputShape))
print("Post is starting loop")
self.run()
def run(rundir, chanIdx, q, args):
xspub = xstream.Publisher()
xssub = xstream.Subscribe(chanIdx2Str(chanIdx))
runner = Runner(rundir)
inTensors = runner.get_input_tensors()
outTensors = runner.get_output_tensors()
q.put(1) # ready for work
fpgaBlobs = None
labels = xdnn_io.get_labels(args['labels'])
if args['yolo_version'] == 'v2': yolo_postproc = yolo.yolov2_postproc
elif args['yolo_version'] == 'v3': yolo_postproc = yolo.yolov3_postproc
else:
assert args['yolo_version'] in (
'v2', 'v3'), "--yolo_version should be <v2|v3>"
biases = bias_selector(args)
if (args['visualize']): colors = generate_colors(len(labels))
while True:
try:
payload = xssub.get()
if not payload:
break
(meta, buf) = payload
if fpgaBlobs == None:
# allocate buffers
fpgaBlobs = []
batchsz = meta['shape'][0] # inTensors[0].dims[0]
for io in [inTensors, outTensors]:
blobs = []
for t in io:
shape = (batchsz, ) + tuple(
[t.dims[i] for i in range(t.ndims)][1:])
blobs.append(
np.empty((shape), dtype=np.float32, order='C'))
fpgaBlobs.append(blobs)
fcOutput = np.empty((
batchsz,
args['outsz'],
),
dtype=np.float32,
order='C')
fpgaInput = fpgaBlobs[0][0]
assert (tuple(meta['shape']) == fpgaInput.shape)
data = np.frombuffer(buf,
dtype=np.float32).reshape(fpgaInput.shape)
np.copyto(fpgaInput, data)
jid = runner.execute_async(fpgaBlobs[0], fpgaBlobs[1])
runner.wait(jid)
boxes = yolo_postproc(fpgaBlobs[1],
args,
meta['image_shapes'],
biases=biases)
if (not args['profile']):
for i in range(min(batchsz, len(meta['image_shapes']))):
print("Detected {} boxes in {}".format(
len(boxes[i]), meta['images'][i]),
flush=True)
# Save the result
if (args['results_dir']):
for i in range(min(batchsz, len(meta['image_shapes']))):
fname = meta['images'][i]
filename = os.path.splitext(os.path.basename(fname))[0]
out_file_txt = os.path.join(args['results_dir'],
filename + '.txt')
print("Saving {} boxes to {}".format(
len(boxes[i]), out_file_txt))
sys.stdout.flush()
saveDetectionDarknetStyle(out_file_txt, boxes[i],
meta['image_shapes'][i])
if (args['visualize']):
out_file_png = os.path.join(
args['results_dir'], filename + '.png')
print("Saving result to {}".format(out_file_png))
sys.stdout.flush()
draw_boxes(fname, boxes[i], labels, colors,
out_file_png)
if meta['id'] % 1000 == 0:
print("Recvd query %d" % meta['id'])
sys.stdout.flush()
del data
del buf
del payload
xspub.send(meta['from'], "success")
except Exception as e:
logging.error("Worker exception " + str(e))
def main():
parser = xdnn_io.default_parser_args()
parser = yolo_parser_args(parser)
args = parser.parse_args()
args = xdnn_io.make_dict_args(args)
# Setup the environment
img_paths = xdnn_io.getFilePaths(args['images'])
if (args['golden'] or args['visualize']):
assert args['labels'], "Provide --labels to compute mAP."
assert args[
'results_dir'], "For accuracy measurements, provide --results_dir to save the detections."
labels = xdnn_io.get_labels(args['labels'])
colors = generate_colors(len(labels))
if args['yolo_version'] == 'v2': yolo_postproc = yolo.yolov2_postproc
elif args['yolo_version'] == 'v3': yolo_postproc = yolo.yolov3_postproc
runner = Runner(args['vitis_rundir'])
# Setup the blobs
inTensors = runner.get_input_tensors()
outTensors = runner.get_output_tensors()
batch_sz = args['batch_sz']
if batch_sz == -1:
batch_sz = inTensors[0].dims[0]
fpgaBlobs = []
for io in [inTensors, outTensors]:
blobs = []
for t in io:
shape = (batch_sz, ) + tuple([t.dims[i]
for i in range(t.ndims)][1:])
blobs.append(np.empty((shape), dtype=np.float32, order='C'))
fpgaBlobs.append(blobs)
fpgaInput = fpgaBlobs[0][0]
# Setup the YOLO config
net_h, net_w = fpgaInput.shape[-2:]
args['net_h'] = net_h
args['net_w'] = net_w
biases = bias_selector(args)
# Setup profiling env
prep_time = 0
exec_time = 0
post_time = 0
# Start the execution
for i in range(0, len(img_paths), batch_sz):
pl = []
img_shapes = []
# Prep images
t1 = timeit.default_timer()
for j, p in enumerate(img_paths[i:i + batch_sz]):
fpgaInput[j, ...], img_shape = xdnn_io.loadYoloImageBlobFromFile(
p, net_h, net_w)
pl.append(p)
img_shapes.append(img_shape)
t2 = timeit.default_timer()
# Execute
jid = runner.execute_async(fpgaBlobs[0], fpgaBlobs[1])
runner.wait(jid)
# Post Proc
t3 = timeit.default_timer()
boxes = yolo_postproc(fpgaBlobs[1], args, img_shapes, biases=biases)
t4 = timeit.default_timer()
prep_time += (t2 - t1)
exec_time += (t3 - t2)
post_time += (t4 - t3)
for i in range(min(batch_sz, len(img_shapes))):
print("Detected {} boxes in {}".format(len(boxes[i]), pl[i]))
# Save the result
if (args['results_dir']):
for i in range(min(batch_sz, len(img_shapes))):
filename = os.path.splitext(os.path.basename(pl[i]))[0]
out_file_txt = os.path.join(args['results_dir'],
filename + '.txt')
print("Saving {} boxes to {}".format(len(boxes[i]),
out_file_txt))
sys.stdout.flush()
saveDetectionDarknetStyle(out_file_txt, boxes[i],
img_shapes[i])
if (args['visualize']):
out_file_png = os.path.join(args['results_dir'],
filename + '.png')
print("Saving result to {}".format(out_file_png))
sys.stdout.flush()
draw_boxes(pl[i], boxes[i], labels, colors, out_file_png)
# Profiling results
if (args['profile']):
print("\nAverage Latency in ms:")
print(" Image Prep: {0:3f}".format(prep_time * 1000.0 /
len(img_paths)))
print(" Exec: {0:3f}".format(exec_time * 1000.0 / len(img_paths)))
print(" Post Proc: {0:3f}".format(post_time * 1000.0 /
len(img_paths)))
sys.stdout.flush()
# mAP calculation
if (args['golden']):
print()
print("Computing mAP score : ")
print("Class names are : {} ".format(labels))
mAP = calc_detector_mAP(args['results_dir'], args['golden'],
len(labels), labels, args['prob_threshold'],
args['mapiouthresh'], args['points'])
sys.stdout.flush()
def yolo_gpu_inference(backend_path, image_dir, deploy_model, weights,
out_labels, IOU_threshold, scorethresh, mean_value,
pxscale, transpose, channel_swap, yolo_model,
num_classes, args):
# Setup the environment
images = xdnn_io.getFilePaths(args['images'])
if (args['golden'] or args['visualize']):
assert args['labels'], "Provide --labels to compute mAP."
assert args[
'results_dir'], "For accuracy measurements, provide --results_dir to save the detections."
labels = xdnn_io.get_labels(args['labels'])
colors = generate_colors(len(labels))
# Select postproc and biases
if args['yolo_version'] == 'v2': yolo_postproc = yolo.yolov2_postproc
elif args['yolo_version'] == 'v3': yolo_postproc = yolo.yolov3_postproc
biases = bias_selector(args)
import caffe
caffe.set_mode_cpu()
print(args)
if (args['gpu'] is not None):
caffe.set_mode_gpu()
caffe.set_device(args['gpu'])
net = caffe.Net(deploy_model, weights, caffe.TEST)
net_h, net_w = net.blobs['data'].data.shape[-2:]
args['net_h'] = net_h
args['net_w'] = net_w
for i, img in enumerate(images):
if ((i + 1) % 100 == 0): print(i + 1, "images processed")
raw_img, img_shape = xdnn_io.loadYoloImageBlobFromFile(
img, net_h, net_w)
net.blobs['data'].data[...] = raw_img
out = net.forward()
caffeOutput = sorted(out.values(), key=lambda item: item.shape[-1])
boxes = yolo_postproc(caffeOutput, args, [img_shape], biases=biases)
print("{}. Detected {} boxes in {}".format(i, len(boxes[0]), img))
# Save the result
boxes = boxes[0]
if (args['results_dir']):
filename = os.path.splitext(os.path.basename(img))[0]
out_file_txt = os.path.join(args['results_dir'], filename + '.txt')
print("Saving {} boxes to {}".format(len(boxes), out_file_txt))
sys.stdout.flush()
saveDetectionDarknetStyle(out_file_txt, boxes, img_shape)
if (args['visualize']):
out_file_png = os.path.join(args['results_dir'],
filename + '.png')
print("Saving result to {}".format(out_file_png))
sys.stdout.flush()
draw_boxes(img, boxes, labels, colors, out_file_png)
# draw_boxes(images[i],bboxes,class_names,colors=[(0,0,0)]*num_classes)
return len(images)
