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https://github.com/openhwgroup/cvw
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Updated bpred-sim.py to take command line options to select between sweeping direction, target, class, or ras prediction.
This commit is contained in:
Rose Thompson
parent
694ec18934
commit
ea403e02ff
117
sim/bpred-sim.py
117
sim/bpred-sim.py
@ -11,6 +11,7 @@
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#
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##################################
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import sys,os,shutil
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import argparse
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class bcolors:
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HEADER = '\033[95m'
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@ -46,55 +47,6 @@ configs = [
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)
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]
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# bpdSize = [6, 8, 10, 12, 14, 16]
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# bpdType = ['twobit', 'gshare', 'global', 'gshare_basic', 'global_basic', 'local_basic']
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# for CurrBPType in bpdType:
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# for CurrBPSize in bpdSize:
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# name = CurrBPType+str(CurrBPSize)
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# configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_OVERRIDE +define+BPRED_TYPE=" + str(bpdType.index(CurrBPType)) + "+define+BPRED_SIZE=" + str(CurrBPSize)
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# tc = TestCase(
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# name=name,
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# variant="rv32gc",
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# cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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# grepstr="")
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# configs.append(tc)
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# bpdSize = [6, 8, 10, 12, 14, 16]
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# for CurrBPSize in bpdSize:
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# name = 'BTB'+str(CurrBPSize)
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# configOptions = "+define+INSTR_CLASS_PRED=1 +define+BPRED_OVERRIDE +define+BPRED_TYPE=\`BP_GSHARE" + "+define+BPRED_SIZE=16" + "+define+BTB_SIZE=" + str(CurrBPSize) + "+define+BTB_OVERRIDE"
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# tc = TestCase(
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# name=name,
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# variant="rv32gc",
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# cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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# grepstr="")
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# configs.append(tc)
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bpdSize = [2, 3, 4, 6, 10, 16]
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for CurrBPSize in bpdSize:
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name = 'RAS'+str(CurrBPSize)
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configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_OVERRIDE +define+BPRED_TYPE=\`BP_GSHARE" + "+define+BPRED_SIZE=16" + "+define+BTB_SIZE=16" + "+define+RAS_SIZE=" + str(CurrBPSize) + "+define+BTB_OVERRIDE+define+RAS_OVERRIDE"
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tc = TestCase(
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name=name,
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variant="rv32gc",
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cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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grepstr="")
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configs.append(tc)
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# bpdSize = [6, 8, 10, 12, 14, 16]
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# LHRSize = [4, 8, 10]
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# bpdType = ['local_repair']
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# for CurrBPType in bpdType:
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# for CurrBPSize in bpdSize:
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# for CurrLHRSize in LHRSize:
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# name = str(CurrLHRSize)+CurrBPType+str(CurrBPSize)
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# configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_TYPE=\"BP_" + CurrBPType.upper() + "\" +define+BPRED_SIZE=" + str(CurrBPSize) + " +define+BPRED_NUM_LHR=" + str(CurrLHRSize) + " "
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# tc = TestCase(
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# name=name,
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# variant="rv32gc",
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# cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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# grepstr="")
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# configs.append(tc)
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import os
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from multiprocessing import Pool, TimeoutError
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@ -138,9 +90,70 @@ def main():
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finally:
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os.mkdir("wkdir")
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if '-makeTests' in sys.argv:
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os.chdir(regressionDir)
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os.system('./make-tests.sh | tee ./logs/make-tests.log')
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parser = argparse.ArgumentParser(description='Runs embench with sweeps of branch predictor sizes and types.')
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mode = parser.add_mutually_exclusive_group()
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mode.add_argument('-r', '--ras', action='store_const', help='Sweep size of return address stack (RAS).', default=False, const=True)
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mode.add_argument('-d', '--direction', action='store_const', help='Sweep size of direction prediction (2-bit, Gshare, local, etc).', default=False, const=True)
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mode.add_argument('-t', '--target', action='store_const', help='Sweep size of branch target buffer (BTB).', default=False, const=True)
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mode.add_argument('-c', '--iclass', action='store_const', help='Sweep size of classification (BTB) Same as -t.', default=False, const=True)
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args = parser.parse_args()
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if(args.direction):
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# for direction predictor size sweep
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bpdSize = [6, 8, 10, 12, 14, 16]
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bpdType = ['twobit', 'gshare', 'global', 'gshare_basic', 'global_basic', 'local_basic']
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for CurrBPType in bpdType:
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for CurrBPSize in bpdSize:
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name = CurrBPType+str(CurrBPSize)
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configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_OVERRIDE +define+BPRED_TYPE=" + str(bpdType.index(CurrBPType)) + "+define+BPRED_SIZE=" + str(CurrBPSize)
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tc = TestCase(
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name=name,
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variant="rv32gc",
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cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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grepstr="")
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configs.append(tc)
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if(args.target or args.iclass):
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# BTB and class size sweep
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bpdSize = [6, 8, 10, 12, 14, 16]
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for CurrBPSize in bpdSize:
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name = 'BTB'+str(CurrBPSize)
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configOptions = "+define+INSTR_CLASS_PRED=1 +define+BPRED_OVERRIDE +define+BPRED_TYPE=\`BP_GSHARE" + "+define+BPRED_SIZE=16" + "+define+BTB_SIZE=" + str(CurrBPSize) + "+define+BTB_OVERRIDE"
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tc = TestCase(
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name=name,
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variant="rv32gc",
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cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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grepstr="")
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configs.append(tc)
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# ras size sweep
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if(args.ras):
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bpdSize = [2, 3, 4, 6, 10, 16]
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for CurrBPSize in bpdSize:
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name = 'RAS'+str(CurrBPSize)
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configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_OVERRIDE +define+BPRED_TYPE=\`BP_GSHARE" + "+define+BPRED_SIZE=16" + "+define+BTB_SIZE=16" + "+define+RAS_SIZE=" + str(CurrBPSize) + "+define+BTB_OVERRIDE+define+RAS_OVERRIDE"
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tc = TestCase(
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name=name,
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variant="rv32gc",
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cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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grepstr="")
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configs.append(tc)
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# bpdSize = [6, 8, 10, 12, 14, 16]
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# LHRSize = [4, 8, 10]
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# bpdType = ['local_repair']
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# for CurrBPType in bpdType:
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# for CurrBPSize in bpdSize:
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# for CurrLHRSize in LHRSize:
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# name = str(CurrLHRSize)+CurrBPType+str(CurrBPSize)
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# configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_TYPE=\"BP_" + CurrBPType.upper() + "\" +define+BPRED_SIZE=" + str(CurrBPSize) + " +define+BPRED_NUM_LHR=" + str(CurrLHRSize) + " "
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# tc = TestCase(
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# name=name,
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# variant="rv32gc",
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# cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
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# grepstr="")
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# configs.append(tc)
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# Scale the number of concurrent processes to the number of test cases, but
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# max out at a limited number of concurrent processes to not overwhelm the system
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