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Fix for python models/yolo.py --profile #4541

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Aug 25, 2021
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Fix for python models/yolo.py --profile #4541

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6 changes: 3 additions & 3 deletions models/yolo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,6 @@ def __init__(self, nc=80, anchors=(), ch=(), inplace=True): # detection layer
self.inplace = inplace # use in-place ops (e.g. slice assignment)

def forward(self, x):
# x = x.copy() # for profiling
z = [] # inference output
for i in range(self.nl):
x[i] = self.m[i](x[i]) # conv
Expand Down Expand Up @@ -143,10 +142,11 @@ def forward_once(self, x, profile=False, visualize=False):
x = y[m.f] if isinstance(m.f, int) else [x if j == -1 else y[j] for j in m.f] # from earlier layers

if profile:
o = thop.profile(m, inputs=(x,), verbose=False)[0] / 1E9 * 2 if thop else 0 # FLOPs
c = isinstance(m, Detect) # copy input as inplace fix
o = thop.profile(m, inputs=(x.copy() if c else x,), verbose=False)[0] / 1E9 * 2 if thop else 0 # FLOPs
t = time_sync()
for _ in range(10):
_ = m(x)
m(x.copy() if c else x)
dt.append((time_sync() - t) * 100)
if m == self.model[0]:
LOGGER.info(f"{'time (ms)':>10s} {'GFLOPs':>10s} {'params':>10s} {'module'}")
Expand Down