擅长:python、mysql、java
<p>因为每次只为一个值将其发送到c</p>
<p>请尝试以下方法</p>
<pre><code>t0=time.time()
numpy.sqrt([2]*10000)
t1 = time.time()
print("Took %0.3fs to do 10k sqrt(2)"%(t1-t0))
t0 = time.time()
for i in range(10000):
numpy.sqrt(2)
t1 = time.time()
print("Took %0.3fs to do 10k math.sqrt(2)"%(t1-t0))
</code></pre>