From 8cdd7265ce1026a58fd0280a4f80f3ba8441c9aa Mon Sep 17 00:00:00 2001 From: Polina Dudnik Date: Fri, 11 Sep 2009 11:07:22 -0500 Subject: [PATCH] Config adjustments for MESI --- .../ruby/config/TwoLevel_SplitL1UnifiedL2.rb | 36 +++++++++++++++- src/mem/ruby/config/cfg.rb | 43 +++++++++---------- src/mem/ruby/config/defaults.rb | 39 ++++++++++++++--- 3 files changed, 88 insertions(+), 30 deletions(-) diff --git a/src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb b/src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb index 8a202d450..83020742e 100644 --- a/src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb +++ b/src/mem/ruby/config/TwoLevel_SplitL1UnifiedL2.rb @@ -26,7 +26,7 @@ num_memories = 1 memory_size_mb = 1024 num_dma = 1 -protocol = "MOESI_CMP_directory" +protocol = "MESI_CMP_directory" # check for overrides @@ -49,7 +49,7 @@ end net_ports = Array.new iface_ports = Array.new -assert(protocol == "MOESI_CMP_directory", __FILE__+" cannot be used with protocol "+protocol); +#assert(protocol == "MESI_CMP_directory", __FILE__+" cannot be used with protocol "+protocol); require protocol+".rb" @@ -65,6 +65,14 @@ num_cores.times { |n| sequencer, num_l2_banks) end + + if protocol == "MESI_CMP_directory" + net_ports << MESI_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") @@ -73,6 +81,14 @@ num_l2_banks.times { |n| "L2Cache", cache) end + + if protocol == "MESI_CMP_directory" + net_ports << MESI_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) @@ -83,6 +99,14 @@ num_memories.times { |n| directory, memory_control) end + + if protocol == "MESI_CMP_directory" + net_ports << MESI_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) @@ -92,6 +116,14 @@ num_dma.times { |n| "DMA", dma_sequencer) end + + if protocol == "MESI_CMP_directory" + net_ports << MESI_CMP_directory_DMAController.new("DMAController_"+n.to_s, + "DMA", + dma_sequencer) + end + + } topology = CrossbarTopology.new("theTopology", net_ports) diff --git a/src/mem/ruby/config/cfg.rb b/src/mem/ruby/config/cfg.rb index 445bb4885..1c261544d 100644 --- a/src/mem/ruby/config/cfg.rb +++ b/src/mem/ruby/config/cfg.rb @@ -296,7 +296,6 @@ private end -#require "defaults.rb" @@ -439,27 +438,27 @@ class SetAssociativeCache < Cache cacti_args << 360 << 0 << 0 << 0 << 0 << 1 << 1 << 1 << 1 << 0 << 0 cacti_args << 50 << 10 << 10 << 0 << 1 << 1 - cacti_cmd = File.dirname(__FILE__) + "/cacti/cacti " + cacti_args.join(" ") +# cacti_cmd = File.dirname(__FILE__) + "/cacti/cacti " + cacti_args.join(" ") - IO.popen(cacti_cmd) { |pipe| - str1 = pipe.readline - str2 = pipe.readline - results = str2.split(", ") - if results.size != 61 - print "CACTI ERROR: CACTI produced unexpected output.\n" - print "Are you using the version shipped with libruby?\n" - raise Exception - end - latency_ns = results[5].to_f - if (latency_ns == "1e+39") - print "CACTI ERROR: CACTI was unable to realistically model the cache ",@obj_name,"\n" - print "Either change the cache parameters or manually set the latency values\n" - raise Exception - end - clk_period_ns = 1e9 * (1.0 / (RubySystem.freq_mhz * 1e6)) - latency_cycles = (latency_ns / clk_period_ns).ceil - @latency = latency_cycles - } +# IO.popen(cacti_cmd) { |pipe| +# str1 = pipe.readline +# str2 = pipe.readline +# results = str2.split(", ") +# if results.size != 61 +# print "CACTI ERROR: CACTI produced unexpected output.\n" +# print "Are you using the version shipped with libruby?\n" +# raise Exception +# end +# latency_ns = results[5].to_f +# if (latency_ns == "1e+39") +# print "CACTI ERROR: CACTI was unable to realistically model the cache ",@obj_name,"\n" +# print "Either change the cache parameters or manually set the latency values\n" +# raise Exception +# end +# clk_period_ns = 1e9 * (1.0 / (RubySystem.freq_mhz * 1e6)) +# latency_cycles = (latency_ns / clk_period_ns).ceil +# @latency = latency_cycles +# } elsif @latency.is_a?(Float) clk_period_ns = 1e9 * (1.0 / (RubySystem.freq_mhz * 1e6)) latency_cycles = (@latency / clk_period_ns).ceil @@ -540,7 +539,6 @@ class MemoryControl < LibRubyObject end - class Sequencer < IfacePort def cppClassName() @@ -759,4 +757,5 @@ class GarnetFlexiblePipeline < GarnetNetwork end end +#added by SS require "defaults.rb" diff --git a/src/mem/ruby/config/defaults.rb b/src/mem/ruby/config/defaults.rb index 384abd119..60f32ca14 100644 --- a/src/mem/ruby/config/defaults.rb +++ b/src/mem/ruby/config/defaults.rb @@ -9,7 +9,7 @@ class NetPort < LibRubyObject # buffer_size limits the size of all other buffers connecting to # SLICC Controllers. When 0, infinite buffering is used. - default_param :buffer_size, Integer, 32 + default_param :buffer_size, Integer, 0 # added by SS for TBE default_param :number_of_TBEs, Integer, 256 @@ -36,7 +36,7 @@ class Debug < LibRubyObject # 1. change protocol_trace = true # 2. enable debug in the Ruby Makefile # 3. set start_time = 1 - default_param :protocol_trace, Boolean, false + default_param :protocol_trace, Boolean, true # a string for filtering debugging output (for all g_debug vars see Debug.h) default_param :filter_string, String, "none" @@ -46,9 +46,9 @@ class Debug < LibRubyObject # filters debugging messages based on a ruby time default_param :start_time, Integer, 1 - + # sends debugging messages to a output filename - default_param :output_filename, String, "none" + default_param :output_filename, String, "debug_ss" end class Topology < LibRubyObject @@ -71,11 +71,11 @@ end class Network < LibRubyObject default_param :endpoint_bandwidth, Integer, 10000 default_param :adaptive_routing, Boolean, true - default_param :number_of_virtual_networks, Integer, 6 + default_param :number_of_virtual_networks, Integer, 10 default_param :fan_out_degree, Integer, 4 # default buffer size. Setting to 0 indicates infinite buffering - default_param :buffer_size, Integer, 3 + default_param :buffer_size, Integer, 0 # local memory latency ?? NetworkLinkLatency default_param :link_latency, Integer, 1 @@ -204,4 +204,31 @@ class RubySystem default_param :profiler, Profiler, Profiler.new("profiler0") end +#added by SS + +class MESI_CMP_directory_L2CacheController < CacheController + default_param :l2_request_latency, Integer, 2 + default_param :l2_response_latency, Integer, 2 + default_param :to_L1_latency, Integer, 1 + +#if 0 then automatically calculated + default_param :lowest_bit, Integer, 0 + default_param :highest_bit, Integer, 0 +end + +class MESI_CMP_directory_L1CacheController < L1CacheController + default_param :l1_request_latency, Integer, 2 + default_param :l1_response_latency, Integer, 2 + default_param :to_L2_latency, Integer, 1 +end + + +class MESI_CMP_directory_DirectoryController < DirectoryController + default_param :to_mem_ctrl_latency, Integer, 1 + default_param :directory_latency, Integer, 6 +end + +class MESI_CMP_directory_DMAController < DMAController + default_param :request_latency, Integer, 6 +end