diff options
Diffstat (limited to 'src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb')
-rw-r--r-- | src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb b/src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb new file mode 100644 index 000000000..11cb7fb57 --- /dev/null +++ b/src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb @@ -0,0 +1,98 @@ +#!/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) |