1 #!/usr/bin/python3
3 # Copyright (c) 2018 Texas Instruments Incorporated - http://www.ti.com/
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10 # * Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
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14 # names of its contributors may be used to endorse or promote products
15 # derived from this software without specific prior written permission.
16 #
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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30 from tidl import DeviceId, DeviceType, Configuration, Executor, TidlError
31 from tidl import allocate_memory, free_memory
33 from tidl_app_utils import read_frame, write_output, report_time
35 import argparse
37 def main(config_file, num_frames):
38 c = Configuration()
39 c.read_from_file(config_file)
40 c.enable_api_trace = False
41 c.num_frames = num_frames
43 num_dsp = Executor.get_num_devices(DeviceType.DSP)
44 num_eve = Executor.get_num_devices(DeviceType.EVE)
46 if (num_dsp == 0 and num_eve == 0):
47 print('No TIDL API capable devices available')
48 return
50 run(num_eve, num_dsp, c)
52 return
54 def run(num_eve, num_dsp, c):
55 """ Run the network on the specified device type and number of devices"""
57 print('Running network across {} EVEs, {} DSPs'.format(num_eve, num_dsp))
59 dsp_device_ids = set([DeviceId.ID0, DeviceId.ID1,
60 DeviceId.ID2, DeviceId.ID3][0:num_dsp])
61 eve_device_ids = set([DeviceId.ID0, DeviceId.ID1,
62 DeviceId.ID2, DeviceId.ID3][0:num_eve])
64 # Heap sizes for this network determined using Configuration.showHeapStats
65 c.param_heap_size = (3 << 20)
66 c.network_heap_size = (20 << 20)
69 try:
70 print('TIDL API: performing one time initialization ...')
72 eve = Executor(DeviceType.EVE, eve_device_ids, c, 1)
73 dsp = Executor(DeviceType.DSP, dsp_device_ids, c, 1)
75 # Collect all EOs from EVE and DSP executors
76 eos = []
77 for i in range(eve.get_num_execution_objects()):
78 eos.append(eve.at(i))
80 for i in range(dsp.get_num_execution_objects()):
81 eos.append(dsp.at(i))
83 allocate_memory(eos)
85 # Open input, output files
86 f_in = open(c.in_data, 'rb')
87 f_out = open(c.out_data, 'wb')
90 print('TIDL API: processing input frames ...')
92 num_eos = len(eos)
93 for frame_index in range(c.num_frames+num_eos):
94 eo = eos [frame_index % num_eos]
96 if (eo.process_frame_wait()):
97 report_time(eo)
98 write_output(eo, f_out)
100 if (read_frame(eo, frame_index, c, f_in)):
101 eo.process_frame_start_async()
104 f_in.close()
105 f_out.close()
107 free_memory(eos)
108 except TidlError as err:
109 print (err)
111 return
113 if __name__ == '__main__':
114 parser = argparse.ArgumentParser(description=
115 'Process frames using all available Execution Objects. '
116 'Each ExecutionObject processes a single frame')
117 parser.add_argument('-n', '--num_frames',
118 type=int,
119 default=1,
120 help='Number of frames to process')
121 args = parser.parse_args()
123 # Heaps are sized for the j11_v2 network. Changing the network will
124 # require updating network_heap_size and param_heap_size
125 main('../test/testvecs/config/infer/tidl_config_j11_v2.txt',
126 args.num_frames)