def __init__(self, target, args, buffer_size):
self.buffer = jt.RingBuffer(buffer_size)
self.status = mp.Array('f', 5, lock=False)
self.p = mp.Process(target=target, args=args+(self.buffer,self.status))
self.p.daemon = True
self.p.start()
def _init_workers(self, index_list):
jt.clean()
jt.gc()
self.index_list = mp.Array('i', self.real_len, lock=False)
workers = []
# get worker id
self.idqueue = jt.RingBuffer(2048)
self.idqueue_lock = mp.Lock()
# global token index
self.gid = mp.Value('i', self.batch_len)
self.gid.value = 0
# global token index condition
self.gidc = mp.Condition(self.gid.get_lock())
# number of idle workers
self.num_idle = mp.Value('i', 0, lock=False)
# number of idle workers condition
self.num_idle_c = mp.Condition(self.gid.get_lock())
self.index_list_numpy = np.ndarray(dtype='int32',
shape=self.real_len,
buffer=self.index_list)
self.index_list_numpy[:] = index_list
for i in range(self.num_workers):
w = Worker(target=self._worker_main,
args=(i, ),
buffer_size=self.buffer_size,
keep_numpy_array=self.keep_numpy_array)
workers.append(w)
self.workers = workers
def test_ring_buffer():
buffer = jt.RingBuffer(2000)
def test_send_recv(data):
print("test send recv", type(data))
buffer.push(data)
recv = buffer.pop()
if isinstance(data, (np.ndarray, jt.Var)):
assert (recv == data).all()
else:
assert data == recv
n_byte = 0
test_send_recv(1)
n_byte += 1 + 8
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv(100000000000)
n_byte += 1 + 8
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv(1e-5)
n_byte += 1 + 8
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv(100000000000.0)
n_byte += 1 + 8
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv("float32")
n_byte += 1 + 8 + 7
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv("")
n_byte += 1 + 8 + 0
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv("xxxxxxxxxx")
n_byte += 1 + 8 + 10
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv([1, 0.2])
n_byte += 1 + 8 + 1 + 8 + 1 + 8
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv({'asd': 1})
n_byte += 1 + 8 + 1 + 8 + 3 + 1 + 8
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv(np.random.rand(10, 10))
n_byte += 1 + 16 + 2 + 10 * 10 * 8
assert n_byte == buffer.total_pop() and n_byte == buffer.total_push()
test_send_recv(test_ring_buffer)
test_send_recv(jt.array(np.random.rand(10, 10)))
bbox = BBox(jt.array(np.random.rand(10, 10)))
test_send_recv(bbox)
expect_error(lambda: test_send_recv(np.random.rand(10, 1000)))
