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https://github.com/openhwgroup/cvw
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Remove bpred-sim.py
This commit is contained in:
Jordan Carlin
parent
a23c1cf18b
commit
f937e31ee9
194
sim/bpred-sim.py
194
sim/bpred-sim.py
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#!/usr/bin/env python3
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##################################
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#
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# regression-wally
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# David_Harris@Hmc.edu 25 January 2021
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# Modified by Jarred Allen <jaallen@g.hmc.edu>
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#
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# Run a regression with multiple configurations in parallel and exit with
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# non-zero status code if an error happened, as well as printing human-readable
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# output.
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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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OKBLUE = '\033[94m'
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OKCYAN = '\033[96m'
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OKGREEN = '\033[92m'
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WARNING = '\033[93m'
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FAIL = '\033[91m'
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ENDC = '\033[0m'
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BOLD = '\033[1m'
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UNDERLINE = '\033[4m'
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from collections import namedtuple
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regressionDir = os.path.dirname(os.path.abspath(__file__))
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os.chdir(regressionDir)
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TestCase = namedtuple("TestCase", ['name', 'variant', 'cmd', 'grepstr'])
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# name: the name of this test configuration (used in printing human-readable
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# output and picking logfile names)
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# cmd: the command to run to test (should include the logfile as '{}', and
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# the command needs to write to that file)
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# grepstr: the string to grep through the log file for. The test succeeds iff
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# grep finds that string in the logfile (is used by grep, so it may
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# be any pattern grep accepts, see `man 1 grep` for more info).
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# edit this list to add more test cases
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configs = [
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TestCase(
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name="lints",
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variant="all",
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cmd="./lint-wally | tee {}",
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grepstr="All lints run with no errors or warnings"
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)
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]
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import os
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from multiprocessing import Pool, TimeoutError
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def search_log_for_text(text, logfile):
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"""Search through the given log file for text, returning True if it is found or False if it is not"""
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grepcmd = "grep -e '%s' '%s' > /dev/null" % (text, logfile)
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return os.system(grepcmd) == 0
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def run_test_case(config):
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"""Run the given test case, and return 0 if the test suceeds and 1 if it fails"""
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logname = "logs/"+config.variant+"_"+config.name+".log"
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cmd = config.cmd.format(logname)
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print(cmd)
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os.chdir(regressionDir)
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os.system(cmd)
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if search_log_for_text(config.grepstr, logname):
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print(f"{bcolors.OKGREEN}%s_%s: Success{bcolors.ENDC}" % (config.variant, config.name))
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return 0
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else:
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print(f"{bcolors.FAIL}%s_%s: Failures detected in output{bcolors.ENDC}" % (config.variant, config.name))
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print(" Check %s" % logname)
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return 1
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def main():
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"""Run the tests and count the failures"""
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TIMEOUT_DUR = 10800 # 3 hours
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global configs
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try:
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os.chdir(regressionDir)
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os.mkdir("logs")
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#print(os.getcwd())
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#print(regressionDir)
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except:
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pass
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try:
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shutil.rmtree("wkdir")
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except:
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pass
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finally:
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os.mkdir("wkdir")
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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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bpdType = ['twobit', 'gshare']
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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):
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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=0 +define+BPRED_OVERRIDE +define+BPRED_TYPE=\`BP_GSHARE" + "+define+BPRED_SIZE=16" + "+define+RAS_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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if(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 = 'class'+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+RAS_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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with Pool(processes=min(len(configs),40)) as pool:
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num_fail = 0
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results = {}
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for config in configs:
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results[config] = pool.apply_async(run_test_case,(config,))
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for (config,result) in results.items():
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try:
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num_fail+=result.get(timeout=TIMEOUT_DUR)
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except TimeoutError:
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num_fail+=1
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print(f"{bcolors.FAIL}%s_%s: Timeout - runtime exceeded %d seconds{bcolors.ENDC}" % (config.variant, config.name, TIMEOUT_DUR))
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# Count the number of failures
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if num_fail:
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print(f"{bcolors.FAIL}Regression failed with %s failed configurations{bcolors.ENDC}" % num_fail)
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else:
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print(f"{bcolors.OKGREEN}SUCCESS! All tests ran without failures{bcolors.ENDC}")
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return num_fail
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if __name__ == '__main__':
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exit(main())
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