tkonolige opened a new pull request #9966:
URL: https://github.com/apache/tvm/pull/9966
Appended fused operations in cov2d for int8 were computed in a separate loop
from the main conv2d computation:
```
for i in ... parallel
for j in ...
accumulator = 0
for k in ..
vectorized_multiply_add(accumulator, data, kernel)
out = accumulator
for k in ..
out = out + fused subsequent ops
```
This patch moves the fused ops one more loop nesting inwards to get
```
for i in ... parallel
for j in ...
accumulator = 0
for k in ..
vectorized_multiply_add(accumulator, data, kernel)
out = accumulator + fused subsequent ops
```
On quantized mobilenetv2, this results in approximately a 30% speedup.
@masahi @mbrookhart
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