diff options
Diffstat (limited to 'ethosu/vela/tosa_graph_optimiser.py')
| -rw-r--r-- | ethosu/vela/tosa_graph_optimiser.py | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/ethosu/vela/tosa_graph_optimiser.py b/ethosu/vela/tosa_graph_optimiser.py index a298ddbb..1ef04449 100644 --- a/ethosu/vela/tosa_graph_optimiser.py +++ b/ethosu/vela/tosa_graph_optimiser.py @@ -24,6 +24,7 @@ from .debug_database import DebugDatabase from .graph_optimiser_util import bypass_memory_only_ops from .graph_optimiser_util import calc_explicit_padding from .graph_optimiser_util import convert_depthwise_to_conv +from .graph_optimiser_util import convert_to_lut from .graph_optimiser_util import move_splitsliceread_to_consumer from .graph_optimiser_util import needed_total_padding from .graph_optimiser_util import set_ifm_ofm_op_shapes @@ -490,13 +491,26 @@ def convert_pad(op, arch, nng): return add_op +def convert_table_to_lut(op, arch, nng): + # Converts table op to a no-op + LUT + if op.type is not Op.Table: + return op + + table = op.inputs[1] + op.inputs.remove(table) + op.set_ifm_ofm_shapes() + + return convert_to_lut(op, table.values, "table") + + def fixup_quantization(op, arch, nng): if op.ifm and op.ifm.quantization.zero_point is None: op.ifm.quantization.zero_point = 0 if op.ifm2 and op.ifm2.quantization.zero_point is None: - op.ifm.quantization.zero_point = 0 - if op.ofm and op.ofm.quantization.zero_point is None: - op.ofm.quantization.zero_point = 0 + op.ifm2.quantization.zero_point = 0 + if not op.forced_output_quantization: + if op.ofm and op.ofm.quantization and op.ofm.quantization.zero_point is None: + op.ofm.quantization.zero_point = 0 return op @@ -547,7 +561,7 @@ def tosa_optimise_graph(nng, arch): ) # Rewite Operators step - op_rewrite_list = [set_tensor_equivalence, rewrite_rescale, convert_depthwise_to_conv] + op_rewrite_list = [set_tensor_equivalence, rewrite_rescale, convert_depthwise_to_conv, convert_table_to_lut] for idx, sg in enumerate(nng.subgraphs): nng.subgraphs[idx] = rewrite_graph.rewrite_graph_pre_order( |