vela: Remove unnecessary code from architecture allocator
- Small improvement that reduces compilation time
Change-Id: I9e5cd58674f719f5dedeb30ea42787dc996a22d6
Signed-off-by: Tim Hall <tim.hall@arm.com>
diff --git a/ethosu/vela/architecture_features.py b/ethosu/vela/architecture_features.py
index 59c9841..5c485bb 100644
--- a/ethosu/vela/architecture_features.py
+++ b/ethosu/vela/architecture_features.py
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# SPDX-FileCopyrightText: Copyright 2020-2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
#
# SPDX-License-Identifier: Apache-2.0
#
@@ -400,12 +400,6 @@
# SHRAM base address of the activation lookup table
self.shram_lut_address = self.shram_bank_size * self.available_shram_banks(True)
- # Build a map of acceptable IFM/OFM block configurations up to the maximum
- # IFM/OFM block size.
- ifm_block_max = self.get_ifm_block_size(32, self.ofm_block_max, Kernel(8, 8))
- self.block_config_map = dict()
- self.generate_block_config_map(Block(ifm_block_max.width * 2, ifm_block_max.height, 128))
-
# Setup supported operators and restriction checkers class
self.tflite_supported_operators = TFLiteSupportedOperators()
self.tosa_supported_operators = TosaSupportedOperators()
@@ -436,26 +430,6 @@
required_banks = round_up(size_banks, self.shram_bank_granules)
return SHRAMBlockConfig(size_bytes, required_banks)
- @staticmethod
- def make_block_config_key(width, height, depth):
- return (int(height), int(width), int(depth))
-
- def get_block_config(self, width, height, depth):
- assert depth <= self.ofm_block_max.depth
- key = ArchitectureFeatures.make_block_config_key(width, height, depth)
- config = self.block_config_map.get(key, None)
- return config
-
- # Generate a key:value map of possible block configurations, where the
- # key is compounded from the block dimensions: 0x00HHWWCC
- def generate_block_config_map(self, block: Block):
- for h in range(1, block.height + 1):
- for w in range(1, block.width + 1):
- # All possible IFM/OFM depth values
- for c in [4, 8, 12, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128]:
- key = ArchitectureFeatures.make_block_config_key(w, h, c)
- self.block_config_map[key] = self.generate_block_config(w, h, c)
-
def _generate_output_perf_tables(self, accel_config):
if accel_config == Accelerator.Ethos_U55_32:
self.output_cycles_per_elem = (2.0, 3.0, 3.0, 3.0, 4.0, 6.0, 1.0, 2.0)