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Diffstat (limited to 'python/m5/convert.py')
| -rw-r--r-- | python/m5/convert.py | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/python/m5/convert.py b/python/m5/convert.py new file mode 100644 index 000000000..6ccefd2fc --- /dev/null +++ b/python/m5/convert.py @@ -0,0 +1,206 @@ +# metric prefixes +exa = 1.0e18 +peta = 1.0e15 +tera = 1.0e12 +giga = 1.0e9 +mega = 1.0e6 +kilo = 1.0e3 + +milli = 1.0e-3 +micro = 1.0e-6 +nano = 1.0e-9 +pico = 1.0e-12 +femto = 1.0e-15 +atto = 1.0e-18 + +# power of 2 prefixes +kibi = 1024 +mebi = kibi * 1024 +gibi = mebi * 1024 +tebi = gibi * 1024 +pebi = tebi * 1024 +exbi = pebi * 1024 + +# memory size configuration stuff +def toFloat(value): + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + if value.endswith('Ei'): + return float(value[:-2]) * exbi + elif value.endswith('Pi'): + return float(value[:-2]) * pebi + elif value.endswith('Ti'): + return float(value[:-2]) * tebi + elif value.endswith('Gi'): + return float(value[:-2]) * gibi + elif value.endswith('Mi'): + return float(value[:-2]) * mebi + elif value.endswith('ki'): + return float(value[:-2]) * kibi + elif value.endswith('E'): + return float(value[:-1]) * exa + elif value.endswith('P'): + return float(value[:-1]) * peta + elif value.endswith('T'): + return float(value[:-1]) * tera + elif value.endswith('G'): + return float(value[:-1]) * giga + elif value.endswith('M'): + return float(value[:-1]) * mega + elif value.endswith('k'): + return float(value[:-1]) * kilo + elif value.endswith('m'): + return float(value[:-1]) * milli + elif value.endswith('u'): + return float(value[:-1]) * micro + elif value.endswith('n'): + return float(value[:-1]) * nano + elif value.endswith('p'): + return float(value[:-1]) * pico + elif value.endswith('f'): + return float(value[:-1]) * femto + else: + return float(value) + +def toLong(value): + value = toFloat(value) + result = int(value) + if value != result: + raise ValueError, "cannot convert '%s' to long" % value + + return result + +def toInteger(value): + value = toFloat(value) + result = int(value) + if value != result: + raise ValueError, "cannot convert '%s' to integer" % value + + return result + +def toBool(value): + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + value = value.lower() + if value == "true" or value == "t" or value == "yes" or value == "y": + return True + elif value == "false" or value == "f" or value == "no" or value == "n": + return False + + raise ValueError, "cannot convert '%s' to bool" % value + +def toFrequency(value): + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + if value.endswith('THz'): + return float(value[:-3]) * tera + elif value.endswith('GHz'): + return float(value[:-3]) * giga + elif value.endswith('MHz'): + return float(value[:-3]) * mega + elif value.endswith('kHz'): + return float(value[:-3]) * kilo + elif value.endswith('Hz'): + return float(value[:-2]) + + raise ValueError, "cannot convert '%s' to frequency" % value + +def toLatency(value): + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + if value.endswith('ps'): + return float(value[:-2]) * pico + elif value.endswith('ns'): + return float(value[:-2]) * nano + elif value.endswith('us'): + return float(value[:-2]) * micro + elif value.endswith('ms'): + return float(value[:-2]) * milli + elif value.endswith('s'): + return float(value[:-1]) + + raise ValueError, "cannot convert '%s' to latency" % value + +def toClockPeriod(value): + """result is a clock period""" + + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + try: + val = toFrequency(value) + if val != 0: + val = 1 / val + return val + except ValueError: + pass + + try: + val = toLatency(value) + return val + except ValueError: + pass + + raise ValueError, "cannot convert '%s' to clock period" % value + + +def toNetworkBandwidth(value): + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + if value.endswith('Tbps'): + return float(value[:-3]) * tera + elif value.endswith('Gbps'): + return float(value[:-3]) * giga + elif value.endswith('Mbps'): + return float(value[:-3]) * mega + elif value.endswith('kbps'): + return float(value[:-3]) * kilo + elif value.endswith('bps'): + return float(value[:-2]) + else: + return float(value) + + raise ValueError, "cannot convert '%s' to network bandwidth" % value + +def toMemoryBandwidth(value): + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + if value.endswith('PB/s'): + return float(value[:-4]) * pebi + elif value.endswith('TB/s'): + return float(value[:-4]) * tebi + elif value.endswith('GB/s'): + return float(value[:-4]) * gibi + elif value.endswith('MB/s'): + return float(value[:-4]) * mebi + elif value.endswith('kB/s'): + return float(value[:-4]) * kibi + elif value.endswith('B/s'): + return float(value[:-3]) + + raise ValueError, "cannot convert '%s' to memory bandwidth" % value + +def toMemorySize(value): + if not isinstance(value, str): + raise TypeError, "wrong type '%s' should be str" % type(value) + + if value.endswith('PB'): + return float(value[:-2]) * pebi + elif value.endswith('TB'): + return float(value[:-2]) * tebi + elif value.endswith('GB'): + return float(value[:-2]) * gibi + elif value.endswith('MB'): + return float(value[:-2]) * mebi + elif value.endswith('kB'): + return float(value[:-2]) * kibi + elif value.endswith('B'): + return float(value[:-1]) + + raise ValueError, "cannot convert '%s' to memory size" % value |