4 Written by Francois Fleuret (francois@fleuret.org)
6 This is free and unencumbered software released into the public
9 Anyone is free to copy, modify, publish, use, compile, sell, or
10 distribute this software, either in source code form or as a
11 compiled binary, for any purpose, commercial or non-commercial, and
14 In jurisdictions that recognize copyright laws, the author or
15 authors of this software dedicate any and all copyright interest in
16 the software to the public domain. We make this dedication for the
17 benefit of the public at large and to the detriment of our heirs
18 and successors. We intend this dedication to be an overt act of
19 relinquishment in perpetuity of all present and future rights to
20 this software under copyright law.
22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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27 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 For more information, please refer to <http://unlicense.org/>
40 function profiler.decor(model, functionsToDecorate)
42 local functionsToDecorate = functionsToDecorate or
48 for _, name in pairs(functionsToDecorate) do
51 local functionTable = model
53 -- We decorate the function where it is defined in the class
54 -- hierarchy, so we have to go up the metatables until we find
57 while functionTable and not rawget(functionTable, name) do
58 functionTable = getmetatable(functionTable)
61 local nameOrig = name .. '__orig'
63 if functionTable[name] and not functionTable[nameOrig] then
64 print('Profiler decoring ' .. functionTable.__typename .. '.' .. name)
65 functionTable[nameOrig] = functionTable[name]
66 functionTable[name] = function(self, ...)
67 local startTime = sys.clock()
68 local result = { self[nameOrig](self, unpack({...})) }
69 local endTime = sys.clock()
70 self.accTime[name] = (self.accTime[name] or 0) + endTime - startTime
77 if torch.isTypeOf(model, nn.Container) then
78 for _, m in ipairs(model.modules) do
79 profiler.decor(m, functionsToDecorate)
85 function profiler.print(model, nbSamples, indent)
86 local indent = indent or ''
88 print(string.format('%s* %s', indent, model.__typename))
91 for l, t in pairs(model.accTime) do
92 print(string.format('%s %s %.02fs (%.01fmus/sample)',
99 for l, t in pairs(model.accTime) do
100 print(string.format('%s %s %.02fs',
107 if torch.isTypeOf(model, nn.Container) then
108 for _, m in ipairs(model.modules) do
109 profiler.print(m, nbSamples, indent .. ' ')