Hoa Nguyen has submitted this change. ( 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 <hoanguyen@ucdavis.edu> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/71618 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> --- A configs/example/gem5_library/caches/octopi-cache-example.py 1 file changed, 100 insertions(+), 0 deletions(-) Approvals: Jason Lowe-Power: Looks good to me, approved; Looks good to me, approved kokoro: Regressions pass 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..1b39a8b --- /dev/null +++ b/configs/example/gem5_library/caches/octopi-cache-example.py @@ -0,0 +1,100 @@ +# 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 -j `nproc` +./build/ARM_MESI_Three_Level/gem5.opt \ + configs/example/gem5_library/caches/octopi-cache-example.py +``` +""" + + +from m5.objects import ArmDefaultRelease, VExpress_GEM5_Foundation + +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.simulate.simulator import Simulator +from gem5.resources.workload import Workload + +num_ccds = 1 # CCDs +num_cores_per_ccd = 8 # 8 cores/CCD + +# OctopiCache is built on top of 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=num_ccds, + 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_ccds * num_cores_per_ccd, +) + +release = ArmDefaultRelease() +platform = VExpress_GEM5_Foundation() + +board = ArmBoard( + clk_freq="4GHz", + processor=processor, + memory=memory, + cache_hierarchy=cache_hierarchy, + release=release, + platform=platform, +) + +board.set_workload(Workload("arm64-ubuntu-20.04-boot")) + +simulator = Simulator(board=board) +simulator.run() -- To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/71618?usp=email To unsubscribe, or for help writing mail filters, visit https://gem5-review.googlesource.com/settings?usp=email Gerrit-MessageType: merged Gerrit-Project: public/gem5 Gerrit-Branch: develop Gerrit-Change-Id: Ia78dd63e63808ebad40052d2a7cdb67cc7179e44 Gerrit-Change-Number: 71618 Gerrit-PatchSet: 6 Gerrit-Owner: Hoa Nguyen <hoanguyen@ucdavis.edu> Gerrit-Reviewer: Hoa Nguyen <hoanguyen@ucdavis.edu> Gerrit-Reviewer: Jason Lowe-Power <jason@lowepower.com> Gerrit-Reviewer: Jason Lowe-Power <power.jg@gmail.com> Gerrit-Reviewer: kokoro <noreply+kokoro@google.com> Gerrit-CC: kokoro <noreply+kokoro@google.com>