diff options
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/example/hmctest.py | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/configs/example/hmctest.py b/configs/example/hmctest.py new file mode 100644 index 000000000..bd6ca24d1 --- /dev/null +++ b/configs/example/hmctest.py @@ -0,0 +1,170 @@ +import optparse +import sys +import subprocess + +import m5 +from m5.objects import * +from m5.util import addToPath + +addToPath('../common') +import MemConfig +import HMC + +parser = optparse.OptionParser() + +# Use a HMC_2500_x32 by default +parser.add_option("--mem-type", type = "choice", default = "HMC_2500_x32", + choices = MemConfig.mem_names(), + help = "type of memory to use") + +parser.add_option("--ranks", "-r", type = "int", default = 1, + help = "Number of ranks to iterate across") + +parser.add_option("--rd_perc", type ="int", default=100, + help = "Percentage of read commands") + +parser.add_option("--mode", type ="choice", default ="DRAM", + choices = ["DRAM", "DRAM_ROTATE", "RANDOM"], + help = "DRAM: Random traffic; \ + DRAM_ROTATE: Traffic rotating across banks and ranks" + ) + +parser.add_option("--addr_map", type ="int", default = 1, + help = "0: RoCoRaBaCh; 1: RoRaBaCoCh/RoRaBaChCo") + +parser.add_option("--arch", type = "choice", default = "distributed", + choices = ["same", "distributed", "mixed"], + help = "same: HMC-4 links with same range\ + distributed: HMC-4 links with distributed range\ + mixed: mixed with same & distributed range") + +parser.add_option("--linkaggr", type = "int", default = 0, + help = "1: enable link crossbar, 0: disable link crossbar") + +parser.add_option("--num_cross", type = "int", default = 4, + help = "1: number of crossbar in HMC=1;\ + 4: number of crossbar = 4") + +parser.add_option("--tlm-memory", type = "string", + help="use external port for SystemC TLM cosimulation") + +parser.add_option("--elastic-trace-en", action ="store_true", + help = """Enable capture of data dependency and instruction + fetch traces using elastic trace probe.""") + +(options, args) = parser.parse_args() + +if args: + print "Error: script doesn't take any positional arguments" + sys.exit(1) + +system = System() +system.clk_domain = SrcClockDomain(clock='100GHz', + voltage_domain= + VoltageDomain(voltage = '1V')) +# Create additional crossbar for arch1 +if options.arch == "distributed" or options.arch == "mixed" : + system.membus = NoncoherentXBar( width=8 ) + system.membus.badaddr_responder = BadAddr() + system.membus.default = Self.badaddr_responder.pio + system.membus.width = 8 + system.membus.frontend_latency = 3 + system.membus.forward_latency = 4 + system.membus.response_latency = 2 + + system.membus.clk_domain = SrcClockDomain(clock='100GHz', voltage_domain= + VoltageDomain(voltage = '1V')) + +# we are considering 4GB HMC device with following parameters +# hmc_device_size = '4GB' +# hmc_num_vaults = 16 +# hmc_vault_size = '256MB' +# hmc_stack_size = 8 +# hmc_bank_in_stack = 2 +# hmc_bank_size = '16MB' +# hmc_bank_in_vault = 16 + +# determine the burst length in bytes +burst_size = 256 +num_serial_links = 4 +num_vault_ctrl = 16 +options.mem_channels = 1 +options.external_memory_system = 0 +options.mem_ranks=1 +stride_size = burst_size +system.cache_line_size = burst_size + +# Enable performance monitoring +options.enable_global_monitor = True +options.enable_link_monitor = False + +# Bytes used for calculations +oneGBytes = 1024 * 1024 * 1024 +oneMBytes = 1024 * 1024 + +# Memory ranges of 16 vault controller - Total_HMC_size / 16 +mem_range_vault = [ AddrRange(i * 256 * oneMBytes, ((i + 1) * 256 * oneMBytes) + - 1) + for i in range(num_vault_ctrl)] + +# Memmory ranges of serial link for arch-0 +# Same as the ranges of vault controllers - 4 vault - to - 1 serial link +if options.arch == "same": + ser_range = [ AddrRange(0, (4 * oneGBytes) - 1) + for i in range(num_serial_links)] + options.ser_ranges = ser_range + +# Memmory ranges of serial link for arch-1 +# Distributed range accross links +if options.arch == "distributed": + ser_range = [ AddrRange(i * oneGBytes, ((i + 1) * oneGBytes) - 1) + for i in range(num_serial_links)] + options.ser_ranges = ser_range + +# Memmory ranges of serial link for arch-2 +# "Mixed" address distribution over links +if options.arch == "mixed": + ser_range0 = AddrRange(0 , (1 * oneGBytes) - 1) + ser_range1 = AddrRange(1 * oneGBytes , (2 * oneGBytes) - 1) + ser_range2 = AddrRange(0 , (4 * oneGBytes) - 1) + ser_range3 = AddrRange(0 , (4 * oneGBytes) - 1) + options.ser_ranges = [ser_range0, ser_range1, ser_range2, ser_range3] + +# Assign ranges of vault controller to system ranges +system.mem_ranges = mem_range_vault + +# open traffic generator +cfg_file_name = "./tests/quick/se/70.tgen/traffic.cfg" +cfg_file = open(cfg_file_name, 'r') + +# number of traffic generator +np = 4 +# create a traffic generator, and point it to the file we just created +system.tgen = [ TrafficGen(config_file = cfg_file_name) for i in xrange(np)] + +# Config memory system with given HMC arch +MemConfig.config_mem(options, system) + +if options.arch == "distributed": + for i in xrange(np): + system.tgen[i].port = system.membus.slave + # connect the system port even if it is not used in this example + system.system_port = system.membus.slave + +if options.arch == "mixed": + for i in xrange(int(np/2)): + system.tgen[i].port = system.membus.slave + # connect the system port even if it is not used in this example + system.system_port = system.membus.slave + + +# run Forrest, run! +root = Root(full_system = False, system = system) +root.system.mem_mode = 'timing' + +m5.instantiate() +m5.simulate(10000000000) + +m5.stats.dump() + +print "Done!" |