给出多线程计算卷积的代码
时间: 2024-05-12 18:17:54 浏览: 15
以下是Python多线程计算卷积的代码示例:
```python
import numpy as np
import threading
def convolve_multithreaded(input_data, kernel, num_threads):
output_shape = (input_data.shape[0] - kernel.shape[0] + 1,
input_data.shape[1] - kernel.shape[1] + 1)
output_data = np.zeros(output_shape)
def convolve_thread(input_data, kernel, output_data, start_row, end_row):
for i in range(start_row, end_row):
for j in range(input_data.shape[1] - kernel.shape[1] + 1):
output_data[i][j] = np.sum(input_data[i:i + kernel.shape[0], j:j + kernel.shape[1]] * kernel)
threads = []
rows_per_thread = input_data.shape[0] // num_threads
for i in range(num_threads):
start_row = i * rows_per_thread
if i == num_threads - 1:
end_row = input_data.shape[0]
else:
end_row = (i + 1) * rows_per_thread
threads.append(threading.Thread(target=convolve_thread,
args=(input_data, kernel, output_data, start_row, end_row)))
threads[-1].start()
for t in threads:
t.join()
return output_data
```
如果您需要其他语言的多线程卷积代码,可以告诉我,我会尽力帮您找到。