summaryrefslogtreecommitdiff
path: root/src/python/m5/convert.py
blob: 580a579bceedc0739d5c2c79a06dedabae1170e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
# Copyright (c) 2005 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Nathan Binkert

# 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 toInteger(value):
    value = toFloat(value)
    result = long(value)
    if value != result:
        raise ValueError, "cannot convert '%s' to integer" % value

    return result

_bool_dict = {
    'true' : True,   't' : True,  'yes' : True, 'y' : True,  '1' : True,
    'false' : False, 'f' : False, 'no' : False, 'n' : False, '0' : False
    }

def toBool(value):
    if not isinstance(value, str):
        raise TypeError, "wrong type '%s' should be str" % type(value)

    value = value.lower()
    result = _bool_dict.get(value, None)
    if result == None:
        raise ValueError, "cannot convert '%s' to bool" % value
    return result

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[:-4]) * tera
    elif value.endswith('Gbps'):
        return float(value[:-4]) * giga
    elif value.endswith('Mbps'):
        return float(value[:-4]) * mega
    elif value.endswith('kbps'):
        return float(value[:-4]) * kilo
    elif value.endswith('bps'):
        return float(value[:-3])
    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 long(value[:-2]) * pebi
    elif value.endswith('TB'):
        return long(value[:-2]) * tebi
    elif value.endswith('GB'):
        return long(value[:-2]) * gibi
    elif value.endswith('MB'):
        return long(value[:-2]) * mebi
    elif value.endswith('kB'):
        return long(value[:-2]) * kibi
    elif value.endswith('B'):
        return long(value[:-1])

    raise ValueError, "cannot convert '%s' to memory size" % value