diff options
Diffstat (limited to 'ethosu/vela/graph_optimiser.py')
| -rw-r--r-- | ethosu/vela/graph_optimiser.py | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/ethosu/vela/graph_optimiser.py b/ethosu/vela/graph_optimiser.py index 3fe703e1..daae915d 100644 --- a/ethosu/vela/graph_optimiser.py +++ b/ethosu/vela/graph_optimiser.py @@ -69,11 +69,11 @@ def rewrite_concat(tens, arch): tens.ops.append(new_op) assert tens.shape[axis] == offset - # If axis = 3, NHCWB16 can only be used in the output if all the concat_start's are a multiple of 16, - # as it is only then the address offset for the ofm, for all operations, will be 16 byte aligned - # For other values of axis the address offsets will be 16 byte aligned, as they are all based on c = 0 + # If axis corresponds to C-dimension, NHCWB16 can only be used in the output if all the concat_start's are a + # multiple of 16. This as, it is only then the address offset for the ofm, for all operations, will be 16 byte + # aligned. For other values of axis the address offsets will be 16 byte aligned, as they are all based on c = 0 # and those addresses are always 16 byte aligned due to the NHCWB16 format. - if axis == 3: + if axis == (len(tens.shape) - 1): for op in tens.ops: if op.attrs["concat_start"] % 16 != 0: tens.avoid_NHCWB16 = True |