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configs: MESI_Three_level python parameters

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Allow specifying the L0 cache parameters via command line in
MESI_Three_Level.

Change-Id: Ie2a7f74790ed4c81c408857eccc2b439c60627f5
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24255
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Timothy Hayes
2019-10-18 16:12:38 +01:00
committed by Giacomo Travaglini
parent e4c1fc318a
commit c5d87b0693
1 changed files with 31 additions and 11 deletions
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42
configs/ruby/MESI_Three_Level.py
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@@ -1,6 +1,7 @@
# Copyright (c) 2006-2007 The Regents of The University of Michigan
# Copyright (c) 2009,2015 Advanced Micro Devices, Inc.
# Copyright (c) 2013 Mark D. Hill and David A. Wood
# Copyright (c) 2020 ARM Limited
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
@@ -48,6 +49,13 @@ def define_options(parser):
parser.add_option("--num-clusters", type = "int", default = 1,
help = "number of clusters in a design in which there are shared\
caches private to clusters")
parser.add_option("--l0i_size", type="string", default="4096B")
parser.add_option("--l0d_size", type="string", default="4096B")
parser.add_option("--l0i_assoc", type="int", default=1)
parser.add_option("--l0d_assoc", type="int", default=1)
parser.add_option("--l0_transitions_per_cycle", type="int", default=32)
parser.add_option("--l1_transitions_per_cycle", type="int", default=32)
parser.add_option("--l2_transitions_per_cycle", type="int", default=4)
return
def create_system(options, full_system, system, dma_ports, bootmem,
@@ -89,11 +97,15 @@ def create_system(options, full_system, system, dma_ports, bootmem,
#
# First create the Ruby objects associated with this cpu
#
l0i_cache = L0Cache(size = '4096B', assoc = 1, is_icache = True,
l0i_cache = L0Cache(size = options.l0i_size,
assoc = options.l0i_assoc,
is_icache = True,
start_index_bit = block_size_bits,
replacement_policy = LRURP())
l0d_cache = L0Cache(size = '4096B', assoc = 1, is_icache = False,
l0d_cache = L0Cache(size = options.l0d_size,
assoc = options.l0d_assoc,
is_icache = False,
start_index_bit = block_size_bits,
replacement_policy = LRURP())
@@ -110,9 +122,12 @@ def create_system(options, full_system, system, dma_ports, bootmem,
clk_domain = system.cpu[i].clk_domain
l0_cntrl = L0Cache_Controller(
version = i * num_cpus_per_cluster + j, Icache = l0i_cache,
Dcache = l0d_cache, send_evictions = send_evicts(options),
clk_domain = clk_domain, ruby_system = ruby_system)
version = i * num_cpus_per_cluster + j,
Icache = l0i_cache, Dcache = l0d_cache,
transitions_per_cycle = options.l0_transitions_per_cycle,
send_evictions = send_evicts(options),
clk_domain = clk_domain,
ruby_system = ruby_system)
cpu_seq = RubySequencer(version = i * num_cpus_per_cluster + j,
icache = l0i_cache,
@@ -130,7 +145,9 @@ def create_system(options, full_system, system, dma_ports, bootmem,
l1_cntrl = L1Cache_Controller(
version = i * num_cpus_per_cluster + j,
cache = l1_cache, l2_select_num_bits = l2_bits,
cluster_id = i, ruby_system = ruby_system)
cluster_id = i,
transitions_per_cycle = options.l1_transitions_per_cycle,
ruby_system = ruby_system)
exec("ruby_system.l0_cntrl%d = l0_cntrl"
% ( i * num_cpus_per_cluster + j))
@@ -173,7 +190,8 @@ def create_system(options, full_system, system, dma_ports, bootmem,
l2_cntrl = L2Cache_Controller(
version = i * num_l2caches_per_cluster + j,
L2cache = l2_cache, cluster_id = i,
transitions_per_cycle = options.ports,
transitions_per_cycle =\
options.l2_transitions_per_cycle,
ruby_system = ruby_system)
exec("ruby_system.l2_cntrl%d = l2_cntrl"
@@ -272,14 +290,16 @@ def create_system(options, full_system, system, dma_ports, bootmem,
FileSystemConfig.register_cache(level = 0,
idu_type = 'Instruction',
size = '4096B',
line_size = options.cacheline_size,
size = options.l0i_size,
line_size =\
options.cacheline_size,
assoc = 1,
cpus = [i*num_cpus_per_cluster+j])
FileSystemConfig.register_cache(level = 0,
idu_type = 'Data',
size = '4096B',
line_size = options.cacheline_size,
size = options.l0d_size,
line_size =\
options.cacheline_size,
assoc = 1,
cpus = [i*num_cpus_per_cluster+j])