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#!/usr/bin/ruby
#
# Creates a homogeneous CMP system with a single unified cache per
# core and a crossbar network. Uses the default parameters listed
# below, which can be overridden using command line args.
#
require "cfg.rb"
# default values
num_cores = 2
L1_ICACHE_SIZE_KB = 32
L1_ICACHE_ASSOC = 8
L1_ICACHE_LATENCY = 1
L1_DCACHE_SIZE_KB = 32
L1_DCACHE_ASSOC = 8
L1_DCACHE_LATENCY = 1
L2_CACHE_SIZE_KB = 2048 # total size (sum of all banks)
L2_CACHE_ASSOC = 16
L2_CACHE_LATENCY = 12
num_l2_banks = num_cores
num_memories = 1
memory_size_mb = 1024
NUM_DMA = 1
protocol = "MOESI_CMP_directory"
# check for overrides
for i in 0..$*.size-1 do
if $*[i] == "-c" or $*[i] == "--protocol"
i += 1
protocol = $*[i]
elsif $*[i] == "-m"
num_memories = $*[i+1].to_i
i = i+1
elsif $*[i] == "-p"
num_cores = $*[i+1].to_i
i = i+1
elsif $*[i] == "-s"
memory_size_mb = $*[i+1].to_i
i = i + 1
end
end
net_ports = Array.new
iface_ports = Array.new
assert(protocol == "MOESI_CMP_directory", __FILE__+" cannot be used with protocol "+protocol);
require protocol+".rb"
num_cores.times { |n|
icache = SetAssociativeCache.new("l1i_"+n.to_s, L1_ICACHE_SIZE_KB, L1_ICACHE_LATENCY, L1_ICACHE_ASSOC, "PSEUDO_LRU")
dcache = SetAssociativeCache.new("l1d_"+n.to_s, L1_DCACHE_SIZE_KB, L1_DCACHE_LATENCY, L1_DCACHE_ASSOC, "PSEUDO_LRU")
sequencer = Sequencer.new("Sequencer_"+n.to_s, icache, dcache)
iface_ports << sequencer
if protocol == "MOESI_CMP_directory"
net_ports << MOESI_CMP_directory_L1CacheController.new("L1CacheController_"+n.to_s,
"L1Cache",
icache, dcache,
sequencer,
num_l2_banks)
end
}
num_l2_banks.times { |n|
cache = SetAssociativeCache.new("l2u_"+n.to_s, L2_CACHE_SIZE_KB/num_l2_banks, L2_CACHE_LATENCY, L2_CACHE_ASSOC, "PSEUDO_LRU")
if protocol == "MOESI_CMP_directory"
net_ports << MOESI_CMP_directory_L2CacheController.new("L2CacheController_"+n.to_s,
"L2Cache",
cache)
end
}
num_memories.times { |n|
directory = DirectoryMemory.new("DirectoryMemory_"+n.to_s, memory_size_mb/num_memories)
memory_control = MemoryControl.new("MemoryControl_"+n.to_s)
if protocol == "MOESI_CMP_directory"
net_ports << MOESI_CMP_directory_DirectoryController.new("DirectoryController_"+n.to_s,
"Directory",
directory,
memory_control)
end
}
NUM_DMA.times { |n|
dma_sequencer = DMASequencer.new("DMASequencer_"+n.to_s)
iface_ports << dma_sequencer
if protocol == "MOESI_CMP_directory"
net_ports << MOESI_CMP_directory_DMAController.new("DMAController_"+n.to_s,
"DMA",
dma_sequencer)
end
}
topology = CrossbarTopology.new("theTopology", net_ports)
on_chip_net = Network.new("theNetwork", topology)
RubySystem.init(iface_ports, on_chip_net)
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