Hoa Nguyen has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/71618?usp=email )
Change subject: configs: Add example configuration for OctopiCache
......................................................................
configs: Add example configuration for OctopiCache
Change-Id: Ia78dd63e63808ebad40052d2a7cdb67cc7179e44
Signed-off-by: Hoa Nguyen <hoangu...@ucdavis.edu>
---
A configs/example/gem5_library/caches/octopi-cache-example.py
1 file changed, 95 insertions(+), 0 deletions(-)
diff --git a/configs/example/gem5_library/caches/octopi-cache-example.py
b/configs/example/gem5_library/caches/octopi-cache-example.py
new file mode 100644
index 0000000..5bfe536
--- /dev/null
+++ b/configs/example/gem5_library/caches/octopi-cache-example.py
@@ -0,0 +1,95 @@
+# Copyright (c) 2023 The Regents of the University of California
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""
+This script boots Ubuntu 20.04 with 8 timing cores in 1 CCD.
+
+Usage
+-----
+
+```
+scons build/ARM_MESI_Three_Level/gem5.opt
+./build/ARM_MESI_Three_Level/gem5.opt
configs/example/gem5_library/caches/octopi-cache-example.py
+```
+"""
+
+
+import m5
+from m5.objects import Root
+
+from gem5.utils.requires import requires
+from gem5.components.boards.arm_board import ArmBoard
+from gem5.components.memory import DualChannelDDR4_2400
+from gem5.components.processors.simple_processor import SimpleProcessor
+from gem5.components.processors.cpu_types import CPUTypes
+from gem5.components.cachehierarchies.ruby.caches.mesi_three_level.Octopi
import (
+ OctopiCache,
+)
+from gem5.isas import ISA
+from gem5.coherence_protocol import CoherenceProtocol
+from gem5.resources.resource import Resource, CustomResource,
DiskImageResource
+from gem5.simulate.simulator import Simulator
+from gem5.resources.workload import Workload
+
+num_core_complexes = 1 # CCDs
+num_cores_per_core_complexes = 8 # 8 cores/CCD
+
+# OctopiCache is built on top of the gem5's MESI_Three_Level cache
coherence protocol
+requires(coherence_protocol_required=CoherenceProtocol.MESI_THREE_LEVEL)
+cache_hierarchy = OctopiCache(
+ l1i_size="32KiB",
+ l1i_assoc=8,
+ l1d_size="32KiB",
+ l1d_assoc=8,
+ l2_size="512KiB",
+ l2_assoc=8,
+ l3_size="32MiB",
+ l3_assoc=16,
+ num_core_complexes=1,
+ is_fullsystem=True,
+)
+
+memory = DualChannelDDR4_2400(size="16GB")
+
+# The number of cores must be consistent with
+# num_core_complexes and num_cores_per_core_complexes
+processor = SimpleProcessor(
+ cpu_type=CPUTypes.TIMING,
+ isa=ISA.ARM,
+ num_cores=num_core_complexes * num_cores_per_core_complexes,
+)
+
+board = ArmBoard(
+ clk_freq="4GHz",
+ processor=processor,
+ memory=memory,
+ cache_hierarchy=cache_hierarchy,
+)
+
+board.set_workload(Workload("arm64-ubuntu-20.04-boot"))
+
+simulator = Simulator(board=board)
+simulator.run()
--
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Gerrit-MessageType: newchange
Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ia78dd63e63808ebad40052d2a7cdb67cc7179e44
Gerrit-Change-Number: 71618
Gerrit-PatchSet: 1
Gerrit-Owner: Hoa Nguyen <hoangu...@ucdavis.edu>
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