commit e2bfa7ec7495591139e19f41397054a44a0348bc
author Patrik Gustavsson <patrik.gustavsson@arm.com> Wed Sep 08 15:04:11 2021 +0200
committer Patrik Gustavsson <patrik.gustavsson@arm.com> Thu Sep 09 14:39:57 2021 +0200
tree 6f4616c1fd2f28ccabddae1489ef5f4cad24c464
parent f366fb1fdffcc9d0eb2e6daf60dc89a2bd442ce6

TOSA: Add support for PAD

Added support for TOSA PAD operator
in line with legacy support
Limitations:
-Rank <= 4
-N = 1 if Rank = 4 for ifms/ofm
-only padding in W and H dimensions
-bool_t not supported

Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: I511608202b4c9bf6d86285b559c517fb41741fdf

ethosu/vela/tosa_mapping.py

diff --git a/ethosu/vela/tosa_mapping.py b/ethosu/vela/tosa_mapping.py
index 6efc479..ebbaa0a 100644
--- a/ethosu/vela/tosa_mapping.py
+++ b/ethosu/vela/tosa_mapping.py
@@ -174,7 +174,7 @@
 unary_quant_info = QuantSerializer("UnaryQuantInfo", ("input_zp", "output_zp"))
 conv_quant_info = QuantSerializer("ConvQuantInfo", ("input_zp", "weight_zp"))
 matmul_quant_info = QuantSerializer("MatMulQuantInfo", ("a_zp", "b_zp"))
-pad_quant_info = QuantSerializer("PadQuantInfo", ("input_zp"))
+pad_quant_info = QuantSerializer("PadQuantInfo", ("input_zp",))
 
 unsupported_tosa_operators = {
     TosaOp.UNKNOWN,
@@ -218,7 +218,6 @@
     TosaOp.REDUCE_MIN,
     TosaOp.REDUCE_PRODUCT,
     TosaOp.REDUCE_SUM,
-    TosaOp.PAD,
     TosaOp.REVERSE,
     TosaOp.TILE,
     TosaOp.GATHER,
@@ -298,12 +297,19 @@
     # TODO TosaOp.REDUCE_PRODUCT
     # TODO TosaOp.REDUCE_SUM
     TosaOp.CONCAT: (Op.Concat, axis_attrs, None, TOSA_CONCAT_INDICES),
-    # TODO TosaOp.PAD
+    # TODO Is the padding intended to be dynamic input, TOSA spec state it as attribute
+    # Handled as for TFLite for now
+    TosaOp.PAD: (Op.Pad, None, pad_quant_info, TOSA_IFM_INDICES),
     TosaOp.RESHAPE: (Op.Reshape, reshape_attrs, None, TOSA_IFM_INDICES),
     # TODO TosaOp.REVERSE
     TosaOp.SLICE: (Op.SplitSliceRead, slice_attrs, None, TOSA_IFM_INDICES),
     # TODO TosaOp.TILE
-    TosaOp.TRANSPOSE: (Op.Transpose, None, None, TOSA_IFM_IFM2_INDICES),
+    TosaOp.TRANSPOSE: (
+        Op.Transpose,
+        None,
+        None,
+        TOSA_IFM_IFM2_INDICES,
+    ),  # TODO Is the perms intended to be dynamic input, TOSA spec state it as attribute
     # TODO TosaOp.GATHER
     # TODO TosaOp.SCATTER
     # TODO TosaOp.RESIZE