def pushSomething(lua, something):
if isinstance(something, int):
lua.pushNumber(something)
return
if isinstance(something, float):
lua.pushNumber(something)
return
if isinstance(something, str):
lua.pushString(something)
return
if isinstance(something, dict):
pushTable(lua, something)
return
if isinstance(something, list):
pushArray(lua, something)
return
for pythonClass in pushFunctionByPythonClass:
if isinstance(something, pythonClass):
pushFunctionByPythonClass[pythonClass](something)
return
if type(something) in luaClassesReverse:
pushObject(lua, something)
return
typestring = str(type(something))
if typestring in ["<class 'numpy.ndarray'>", "<type 'numpy.ndarray'>"]:
dtypestr = str(something.dtype)
if dtypestr == 'float32':
pushSomething(lua, PyTorch._asFloatTensor(something))
return
if dtypestr == 'float64':
pushSomething(lua, PyTorch._asDoubleTensor(something))
return
if dtypestr == 'uint8':
pushSomething(lua, PyTorch._asByteTensor(something))
return
raise Exception('pushing numpy array with elements of type ' + dtypestr + ' it not currently implemented')
raise Exception('pushing type ' + str(type(something)) + ' not implemented, value ', something)
import sys
import os
import PyTorch
import PyTorchHelpers
import numpy as np
Luabit = PyTorchHelpers.load_lua_class('luabit.lua', 'Luabit')
batchSize = 2
numFrames = 4
inSize = 3
outSize = 3
kernelSize = 3
luabit = Luabit('green')
print(luabit.getName())
print('type(luabit)', type(luabit))
inTensor = np.random.randn(batchSize, numFrames, inSize).astype('float32')
luain = PyTorch.asFloatTensor(inTensor)
luaout = luabit.getOut(luain, outSize, kernelSize)
outTensor = luaout.asNumpyTensor()
print('outTensor', outTensor)
res = luabit.printTable({'color': 'red', 'weather': 'sunny', 'anumber': 10, 'afloat': 1.234}, 'mistletoe', {
'row1': 'col1', 'meta': 'data'})
print('res', res)
def test_double_tensor():
PyTorch.manualSeed(123)
LongTensor = PyTorch.LongTensor
DoubleTensor = PyTorch.DoubleTensor
print("dir(G)", dir())
print("test_double_tensor")
a = PyTorch.DoubleTensor(3, 2)
print("got double a")
myeval("a.dims()")
a.uniform()
myeval("a")
myexec("a[1][1] = 9")
myeval("a")
myeval("a.size()")
myeval("a + 2")
myexec("a.resize2d(3,3).fill(1)")
myeval("a")
myexec("size = LongTensor(2)")
myexec("size[0] = 4")
myexec("size[1] = 2")
myexec("a.resize(size)")
myeval("a")
myeval("DoubleTensor(3,4).uniform()")
myeval("DoubleTensor(3,4).bernoulli()")
myeval("DoubleTensor(3,4).normal()")
myeval("DoubleTensor(3,4).cauchy()")
myeval("DoubleTensor(3,4).exponential()")
myeval("DoubleTensor(3,4).logNormal()")
myeval("DoubleTensor(3,4).geometric()")
def test_double_tensor():
PyTorch.manualSeed(123)
LongTensor = PyTorch.LongTensor
DoubleTensor = PyTorch.DoubleTensor
LongStorage = PyTorch.LongStorage
print('dir(G)', dir())
print('test_double_tensor')
a = PyTorch.DoubleTensor(3, 2)
print('got double a')
myeval('a.dims()')
a.uniform()
myeval('a')
myexec('a[1][1] = 9')
myeval('a')
myeval('a.size()')
myeval('a + 2')
myexec('a.resize2d(3,3).fill(1)')
myeval('a')
myexec('size = LongStorage(2)')
myexec('size[0] = 4')
myexec('size[1] = 2')
myexec('a.resize(size)')
myeval('a')
myeval('DoubleTensor(3,4).uniform()')
myeval('DoubleTensor(3,4).bernoulli()')
myeval('DoubleTensor(3,4).normal()')
myeval('DoubleTensor(3,4).cauchy()')
myeval('DoubleTensor(3,4).exponential()')
myeval('DoubleTensor(3,4).logNormal()')
myeval('DoubleTensor(3,4).geometric()')
def test_double_tensor():
PyTorch.manualSeed(123)
LongTensor = PyTorch.LongTensor
DoubleTensor = PyTorch.DoubleTensor
LongStorage = PyTorch.LongStorage
print('LongStorage', LongStorage)
print('LongTensor', LongTensor)
print('DoubleTensor', DoubleTensor)
print('dir(G)', dir())
print('test_double_tensor')
a = PyTorch.DoubleTensor(3, 2)
print('got double a')
myeval('a.dims()')
a.uniform()
myeval('a')
myexec('a[1][1] = 9')
myeval('a')
myeval('a.size()')
myeval('a + 2')
myexec('a.resize2d(3,3).fill(1)')
myeval('a')
myexec('size = LongStorage(2)')
myexec('size[0] = 4')
myexec('size[1] = 2')
myexec('a.resize(size)')
myeval('a')
myeval('DoubleTensor(3,4).uniform()')
myeval('DoubleTensor(3,4).bernoulli()')
myeval('DoubleTensor(3,4).normal()')
myeval('DoubleTensor(3,4).cauchy()')
myeval('DoubleTensor(3,4).exponential()')
myeval('DoubleTensor(3,4).logNormal()')
myeval('DoubleTensor(3,4).geometric()')
def test_nnx():
# net = nn.Minus()
inputTensor = PyTorch.DoubleTensor(2, 3).uniform()
print('inputTensor', inputTensor)
PyTorch.require('nnx')
net = nn.Minus()
print(net.forward(inputTensor))
def test_nnx():
# net = nn.Minus()
inputTensor = PyTorch.DoubleTensor(2, 3).uniform()
print("inputTensor", inputTensor)
PyTorch.require("nnx")
net = nn.Minus()
print(net.forward(inputTensor))
def toTorch(self, numpy_array):
if numpy_array.dtype == 'float32':
return PyTorch.asFloatTensor(numpy_array)
elif numpy_array.dtype == 'float64':
return PyTorch.asDoubleTensor(numpy_array)
elif numpy_array.dtype == 'uint8':
return PyTorch.asByteTensor(numpy_array)
else:
return PyTorch.asDoubleTensor(numpy_array)
def test_long_tensor():
PyTorch.manualSeed(123)
print('test_long_tensor')
a = PyTorch.LongTensor(3, 2).geometric()
myeval('a')
myexec('a[1][1] = 9')
myeval('a')
myeval('a.size()')
myeval('a + 2')
myexec('a.resize2d(3,3).fill(1)')
myeval('a')
def test_byte_tensor():
PyTorch.manualSeed(123)
print('test_byte_tensor')
a = PyTorch.ByteTensor(3,2).geometric()
myeval('a')
myexec('a[1][1] = 9')
myeval('a')
myeval('a.size()')
myeval('a + 2')
myexec('a.resize2d(3,3).fill(1)')
myeval('a')
def test_float_tensor():
PyTorch.manualSeed(123)
print('dir(G)', dir())
print('test_float_tensor')
a = PyTorch.FloatTensor(3, 2)
print('got float a')
myeval('a.dims()')
a.uniform()
myeval('a')
myexec('a[1][1] = 9')
myeval('a')
myeval('a.size()')
def pushSomething(lua, something):
if isinstance(something, int):
lua.pushNumber(something)
return
if isinstance(something, float):
lua.pushNumber(something)
return
if isinstance(something, str):
lua.pushString(something)
return
if isinstance(something, dict):
pushTable(lua, something)
return
if isinstance(something, (list, tuple)):
pushTable(lua, OrderedDict(zip(range(1,
len(something) + 1), something)))
return
for pythonClass in pushFunctionByPythonClass:
if isinstance(something, pythonClass):
pushFunctionByPythonClass[pythonClass](something)
return
if type(something) in luaClassesReverse:
pushObject(lua, something)
return
typestring = str(type(something))
if typestring in ["<class 'numpy.ndarray'>", "<type 'numpy.ndarray'>"]:
dtypestr = str(something.dtype)
if dtypestr == 'float32':
pushSomething(lua, PyTorch._asFloatTensor(something))
return
if dtypestr == 'float64':
pushSomething(lua, PyTorch._asDoubleTensor(something))
return
if dtypestr == 'uint8':
pushSomething(lua, PyTorch._asByteTensor(something))
return
raise Exception('pushing numpy array with elements of type ' +
dtypestr + ' it not currently implemented')
raise Exception(
'pushing type ' + str(type(something)) + ' not implemented, value ',
something)
def run(model, im, box):
result = PyTorch.DoubleTensor(len(box), 16, 2)
input = im.astype(np.double) / 255
result = model.predict(input, box)
# print result
return result.asNumpyTensor()
def load_lua_class(lua_filename, lua_classname):
module = lua_filename.replace('.lua', '')
PyTorch.require(module)
splitName = lua_classname.split('.')
class LuaWrapper(PyTorchAug.LuaClass):
def __init__(self, *args):
_fromLua = False
if len(args) >= 1:
if args[0] == '__FROMLUA__':
_fromLua = True
args = args[1:]
# print('LuaWrapper.__init__', lua_classname, 'fromLua', _fromLua, 'args', args)
self.luaclass = lua_classname
if not _fromLua:
PyTorchAug.LuaClass.__init__(self, splitName, *args)
else:
self.__dict__['__objectId'] = PyTorchAug.getNextObjectId()
renamedClass = PyTorchLua.renameClass(LuaWrapper, module, lua_classname)
return renamedClass
def load_lua_class(lua_filename, lua_classname):
module = lua_filename.replace('.lua', '')
PyTorch.require(module)
splitName = lua_classname.split('.')
class LuaWrapper(PyTorchAug.LuaClass):
def __init__(self, *args):
_fromLua = False
if len(args) >= 1:
if args[0] == '__FROMLUA__':
_fromLua = True
args = args[1:]
# print('LuaWrapper.__init__', lua_classname, 'fromLua', _fromLua, 'args', args)
self.luaclass = lua_classname
if not _fromLua:
PyTorchAug.LuaClass.__init__(self, splitName, *args)
else:
self.__dict__['__objectId'] = PyTorchAug.getNextObjectId()
renamedClass = PyTorchLua.renameClass(LuaWrapper, module, lua_classname)
return renamedClass
def loadModuleClass(module,lua_classname,load_module=True,makeLookupKey = lambda m,c: m+'.'+c):
if load_module:
PyTorch.require(module)
class LuaWrapper(LuaClass):
def __init__(self, *args):
_fromLua = False
if len(args) >= 1:
if args[0] == '__FROMLUA__':
_fromLua = True
args = args[1:]
#print('LuaWrapper.__init__', lua_classname, 'fromLua', _fromLua, 'args', args)
#print([module,lua_classname])
self.luaclass = makeLookupKey(module,lua_classname)
if not _fromLua:
splitNames = self.luaclass.split('.')
LuaClass.__init__(self, splitNames, *args)
else:
self.__dict__['__objectId'] = getNextObjectId()
renamedClass = PyTorchLua.renameClass(LuaWrapper, module, lua_classname)
return renamedClass
def test_call_lua():
TestCallLua = PyTorchHelpers.load_lua_class('test/test_call_lua.lua', 'TestCallLua')
batchSize = 2
numFrames = 4
inSize = 3
outSize = 3
kernelSize = 3
luabit = TestCallLua('green')
print(luabit.getName())
assert luabit.getName() == 'green'
print('type(luabit)', type(luabit))
assert str(type(luabit)) == '<class \'PyTorchLua.TestCallLua\'>'
np.random.seed(123)
inTensor = np.random.randn(batchSize, numFrames, inSize).astype('float32')
luain = PyTorch.asFloatTensor(inTensor)
luaout = luabit.getOut(luain, outSize, kernelSize)
outTensor = luaout.asNumpyTensor()
print('outTensor', outTensor)
# I guess we just assume if we got to this point, with no exceptions, then thats a good thing...
# lets add some new test...
outTensor = luabit.addThree(luain).asNumpyTensor()
assert isinstance(outTensor, np.ndarray)
assert inTensor.shape == outTensor.shape
assert np.abs((inTensor + 3) - outTensor).max() < 1e-4
res = luabit.printTable({'color': 'red', 'weather': 'sunny', 'anumber': 10, 'afloat': 1.234}, 'mistletoe', {
'row1': 'col1', 'meta': 'data'})
print('res', res)
assert res == {'foo': 'bar', 'result': 12.345, 'bear': 'happy'}
# List and tuple support by conversion to dictionary
reslist = luabit.modifyList([3.1415, r'~Python\omega', 42])
restuple = luabit.modifyList((3.1415, r'~Python\omega', 42))
assert len(reslist) == len(restuple) == 4
assert list(reslist.keys()) == list(restuple.keys()) == [1, 2, 3, 4]
assert reslist[1] == restuple[1]
assert (reslist[1] - 3.1415) < 1e-7
reslist.pop(1)
restuple.pop(1)
assert reslist == restuple == {2: r'~Python\omega', 3: 42, 4: 'Lorem Ipsum'}
# Get an object created from scratch by Lua
res = luabit.getList()
assert res[1] == 3.1415
res.pop(1)
assert res == {2: 'Lua', 3: 123}
def test_save_load():
np.random.seed(123)
a_np = np.random.randn(3, 2).astype(np.float32)
a = PyTorch.asFloatTensor(a_np)
print('a', a)
filename = '/tmp/foo.t7' # TODO: should use tempfile to get this
PyTorchAug.save(filename, a)
b = PyTorchAug.load(filename)
print('type(b)', type(b))
print('b', b)
assert np.abs(a_np - b.asNumpyTensor()).max() < 1e-4
def save(filepath, target):
lua = PyTorch.getGlobalState().getLua()
topStart = lua.getTop()
pushGlobal(lua, 'torch', 'saveobj')
pushSomething(lua, filepath)
pushSomething(lua, target)
res = lua.pcall(2, 0, 1)
if res != 0:
errorMessage = popString(lua)
raise Exception(errorMessage)
topEnd = lua.getTop()
assert topStart == topEnd
def save(filepath, target):
lua = PyTorch.getGlobalState().getLua()
topStart = lua.getTop()
pushGlobal(lua, 'torch', 'saveobj')
pushSomething(lua, filepath)
pushSomething(lua, target)
res = lua.pcall(2, 0, 1)
if res != 0:
errorMessage = popString(lua)
raise Exception(errorMessage)
topEnd = lua.getTop()
assert topStart == topEnd
def load(filepath):
lua = PyTorch.getGlobalState().getLua()
topStart = lua.getTop()
pushGlobal(lua, 'torch', 'loadobj')
pushSomething(lua, filepath)
res = lua.pcall(1, 1, 1)
if res != 0:
errorMessage = popString(lua)
raise Exception(errorMessage)
res = popSomething(lua)
topEnd = lua.getTop()
assert topStart == topEnd
return res
def load(filepath):
lua = PyTorch.getGlobalState().getLua()
topStart = lua.getTop()
pushGlobal(lua, 'torch', 'loadobj')
pushSomething(lua, filepath)
res = lua.pcall(1, 1, 1)
if res != 0:
errorMessage = popString(lua)
raise Exception(errorMessage)
res = popSomething(lua)
topEnd = lua.getTop()
assert topStart == topEnd
return res
def __init__(self, nameList, *args):
lua = PyTorch.getGlobalState().getLua()
self.__dict__['__objectId'] = getNextObjectId()
topStart = lua.getTop()
pushGlobalFromList(lua, nameList)
for arg in args:
pushSomething(lua, arg)
# print('nameList', nameList)
# print('args', args)
res = lua.pcall(len(args), 1)
if res != 0:
errorMessage = popString(lua)
raise Exception(errorMessage)
# lua.call(len(args), 1)
registerObject(lua, self)
topEnd = lua.getTop()
assert topStart == topEnd
def __init__(self, nameList, *args):
lua = PyTorch.getGlobalState().getLua()
self.__dict__['__objectId'] = getNextObjectId()
topStart = lua.getTop()
pushGlobalFromList(lua, nameList)
for arg in args:
pushSomething(lua, arg)
# print('nameList', nameList)
# print('args', args)
res = lua.pcall(len(args), 1)
if res != 0:
errorMessage = popString(lua)
raise Exception(errorMessage)
# lua.call(len(args), 1)
registerObject(lua, self)
topEnd = lua.getTop()
assert topStart == topEnd
def __init__(self, nameList, *args):
lua = PyTorch.getGlobalState().getLua()
self.__dict__['__objectId'] = getNextObjectId()
topStart = lua.getTop()
pushGlobalFromList(lua, nameList)
for arg in args:
if isinstance(arg, int):
lua.pushNumber(arg)
else:
raise Exception('arg type ' + str(type(arg)) + ' not implemented')
lua.call(len(args), 1)
registerObject(lua, self)
# nameList = nameList[:]
# nameList.append('float')
# pushGlobalFromList(lua, nameList)
# pushObject(lua, self)
# lua.call(1, 0)
topEnd = lua.getTop()
assert topStart == topEnd
import sys
import os
import PyTorchAug
import PyTorch
import numpy as np
PyTorch.require('luabit')
class Luabit(PyTorchAug.LuaClass):
def __init__(self, _fromLua=False):
self.luaclass = 'Luabit'
if not _fromLua:
name = self.__class__.__name__
super(self.__class__, self).__init__([name])
else:
self.__dict__['__objectId'] = getNextObjectId()
batchSize = 2
numFrames = 4
inSize = 3
outSize = 3
kernelSize = 3
luabit = Luabit()
inTensor = np.random.randn(batchSize, numFrames, inSize).astype('float32')
luain = PyTorch.asFloatTensor(inTensor)
luaout = luabit.getOut(luain, outSize, kernelSize)
outTensor = luaout.asNumpyTensor()
print('outTensor', outTensor)
{%- set types = [
{'Real': 'Long','real': 'long'},
{'Real': 'Float', 'real': 'float'},
{'Real': 'Double', 'real': 'double'},
{'Real': 'Byte', 'real': 'unsigned char'}
]
%}
{% for typedict in types -%}
{%- set Real = typedict['Real'] -%}
{%- set real = typedict['real'] -%}
def test_pytorch{{Real}}():
PyTorch.manualSeed(123)
numpy.random.seed(123)
{{Real}}Tensor = PyTorch.{{Real}}Tensor
{% if Real == 'Float' -%}
A = numpy.random.rand(6).reshape(3, 2).astype(numpy.float32)
B = numpy.random.rand(8).reshape(2, 4).astype(numpy.float32)
C = A.dot(B)
print('C', C)
print('calling .asTensor...')
tensorA = PyTorch.asFloatTensor(A)
tensorB = PyTorch.asFloatTensor(B)
print(' ... asTensor called')
from __future__ import print_function
import PyTorch
from PyTorchAug import nn
PyTorch.require('rnn')
if __name__ == '__main__':
lstm = nn.LSTM(3, 4)
print('lstm', lstm)
import ipdb
import PyTorchAug
import PyTorch
nn = PyTorch.Nn()
lua = PyTorchAug.lua
lua.getGlobal("require")
lua.pushString('modules/LinearCR')
lua.call(1, 0)
lua = PyTorchAug.lua
lua.getGlobal("require")
lua.pushString('modules/Reparametrize')
lua.call(1, 0)
lua = PyTorchAug.lua
lua.getGlobal("require")
lua.pushString('modules/SelectiveOutputClamp')
lua.call(1, 0)
lua = PyTorchAug.lua
lua.getGlobal("require")
lua.pushString('modules/SelectiveGradientFilter')
lua.call(1, 0)
dim_hidden = 200
feature_maps = 96
filter_size = 5
colorchaPyTorchAugels = 1
from __future__ import print_function
import threading
import PyTorch
import PyTorchLua
import PyTorchHelpers
lua = PyTorch.getGlobalState().getLua()
# this is so we can ctrl-c lua functions. we have to run them in a separate thread
# for this, so that the python event log can continue ('event loop' might not be quite
# the right technical term, but the concept is approximately right. I think)
def interruptableCall(function, args):
mythread = threading.Thread(target=function, args = args)
mythread.daemon = True
mythread.start()
while mythread.isAlive():
mythread.join(0.1)
#print('join timed out')
nextObjectId = 1
def getNextObjectId():
global nextObjectId
res = nextObjectId
nextObjectId += 1
return res
def pushGlobal(lua, name1, name2=None, name3=None):
lua.getGlobal(name1)
if name2 is None:
return
lua.getField(-1, name2)
class Nn(object):
def __init__(self):
self.classes = {}
def __getattr__(self, name):
if name not in self.classes:
self.classes[name] = setupNnClass(name)
thisClass = self.classes[name]
return thisClass
def populateLuaClassesReverse():
luaClassesReverse.clear()
for name in luaClasses:
classtype = luaClasses[name]
luaClassesReverse[classtype] = name
lua = PyTorch.getGlobalState().getLua()
nn = Nn()
cythonClasses = {}
cythonClasses['torch.FloatTensor'] = {'popFunction': PyTorch._popFloatTensor}
cythonClasses['torch.DoubleTensor'] = {'popFunction': PyTorch._popDoubleTensor}
cythonClasses['torch.ByteTensor'] = {'popFunction': PyTorch._popByteTensor}
pushFunctionByPythonClass = {}
pushFunctionByPythonClass[PyTorch._FloatTensor] = PyTorch._pushFloatTensor
pushFunctionByPythonClass[PyTorch._DoubleTensor] = PyTorch._pushDoubleTensor
pushFunctionByPythonClass[PyTorch._ByteTensor] = PyTorch._pushByteTensor
# PyClTorch.newfunction(123)
import PyTorch
from PyTorchAug import *
def myeval(expr):
print(expr, ':', eval(expr))
if __name__ == '__main__':
# a = PyTorch.foo(3,2)
# print('a', a)
# print(PyTorch.FloatTensor(3,2))
a = PyTorch.FloatTensor(4, 3).uniform()
print('a', a)
a = a.cl()
print(type(a))
print('a.dims()', a.dims())
print('a.size()', a.size())
print('a', a)
print('sum:', a.sum())
myeval('a + 1')
b = PyClTorch.ClTensor()
print('got b')
myeval('b')
b.resizeAs(a)
myeval('b')
def asFloatTensor(myarray):
f1 = PyTorch._asFloatTensor(myarray)
# print('type(f1)', type(f1))
return FloatTensor(f1)
def asByteTensor(myarray):
f1 = PyTorch._asByteTensor(myarray)
# print('type(f1)', type(f1))
return ByteTensor(f1)
def test_pytorchByte():
PyTorch.manualSeed(123)
numpy.random.seed(123)
ByteTensor = PyTorch.ByteTensor
D = PyTorch.ByteTensor(5, 3).fill(1)
print('D', D)
D[2][2] = 4
print('D', D)
D[3].fill(9)
print('D', D)
D.narrow(1, 2, 1).fill(0)
print('D', D)
print(PyTorch.ByteTensor(3, 4).bernoulli())
print(PyTorch.ByteTensor(3, 4).geometric())
print(PyTorch.ByteTensor(3, 4).geometric())
PyTorch.manualSeed(3)
print(PyTorch.ByteTensor(3, 4).geometric())
PyTorch.manualSeed(3)
print(PyTorch.ByteTensor(3, 4).geometric())
print(type(PyTorch.ByteTensor(2, 3)))
size = PyTorch.LongStorage(2)
size[0] = 4
size[1] = 3
D.resize(size)
print('D after resize:\n', D)
print('resize1d', PyTorch.ByteTensor().resize1d(3).fill(1))
print('resize2d', PyTorch.ByteTensor().resize2d(2, 3).fill(1))
print('resize', PyTorch.ByteTensor().resize(size).fill(1))
D = PyTorch.ByteTensor(size).geometric()
# def myeval(expr):
# print(expr, ':', eval(expr))
# def myexec(expr):
# print(expr)
# exec(expr)
myeval('ByteTensor(3,2).nElement()')
myeval('ByteTensor().nElement()')
myeval('ByteTensor(1).nElement()')
A = ByteTensor(3, 4).geometric(0.9)
myeval('A')
myexec('A += 3')
myeval('A')
myexec('A *= 3')
myeval('A')
myeval('A')
print('A //= 3')
A //= 3
myeval('A')
myeval('A + 5')
myeval('A * 5')
print('A // 2')
A // 2
B = ByteTensor().resizeAs(A).geometric(0.9)
myeval('B')
myeval('A + B')
myexec('A += B')
myeval('A')
def test_pynn():
PyTorch.manualSeed(123)
linear = nn.Linear(3, 5)
linear
print('linear', linear)
print('linear.weight', linear.weight)
print('linear.output', linear.output)
print('linear.gradInput', linear.gradInput)
input = PyTorch.DoubleTensor(4, 3).uniform()
print('input', input)
output = linear.updateOutput(input)
print('output', output)
gradInput = linear.updateGradInput(input, output)
print('gradInput', gradInput)
criterion = nn.ClassNLLCriterion()
print('criterion', criterion)
print('dir(linear)', dir(linear))
mlp = nn.Sequential()
mlp.add(linear)
output = mlp.forward(input)
print('output', output)
# import sys
# sys.path.append('thirdparty/python-mnist')
from mnist import MNIST
import numpy
import array
numpy.random.seed(123)
mlp = nn.Sequential()
mlp.add(nn.SpatialConvolutionMM(1, 16, 5, 5, 1, 1, 2, 2))
res = mlp.add(nn.ReLU())
print('res', res)
mlp.add(nn.SpatialMaxPooling(3, 3, 3, 3))
mlp.add(nn.SpatialConvolutionMM(16, 32, 3, 3, 1, 1, 1, 1))
mlp.add(nn.ReLU())
mlp.add(nn.SpatialMaxPooling(2, 2, 2, 2))
mlp.add(nn.Reshape(32 * 4 * 4))
mlp.add(nn.Linear(32 * 4 * 4, 150))
mlp.add(nn.Tanh())
mlp.add(nn.Linear(150, 10))
mlp.add(nn.LogSoftMax())
criterion = nn.ClassNLLCriterion()
print('got criterion')
learningRate = 0.02
mndata = MNIST('data/mnist')
imagesList, labelsB = mndata.load_training()
images = numpy.array(imagesList).astype(numpy.float64)
# print('imagesArray', images.shape)
# print(images[0].shape)
labelsf = array.array('d', labelsB.tolist())
imagesTensor = PyTorch.asDoubleTensor(images)
# imagesTensor = PyTorch.FloatTensor(100,784)
# labels = numpy.array(20,).astype(numpy.int32)
# labelsTensor = PyTorch.FloatTensor(100).fill(1)
# print('labels', labels)
# print(imagesTensor.size())
def printStorageAddr(name, tensor):
print('printStorageAddr START')
storage = tensor.storage()
if storage is None:
print(name, 'storage is None')
else:
print(name, 'storage is ', hex(storage.dataAddr()))
print('printStorageAddr END')
labelsTensor = PyTorch.asDoubleTensor(labelsf)
labelsTensor += 1
# print('calling size on imagestensor...')
# print(' (called size)')
desiredN = 128
maxN = int(imagesTensor.size()[0])
desiredN = min(maxN, desiredN)
imagesTensor = imagesTensor.narrow(0, 0, desiredN)
labelsTensor = labelsTensor.narrow(0, 0, desiredN)
print('imagesTensor.size()', imagesTensor.size())
print('labelsTensor.size()', labelsTensor.size())
N = int(imagesTensor.size()[0])
print('type(imagesTensor)', type(imagesTensor))
size = PyTorch.LongStorage(4)
size[0] = N
size[1] = 1
size[2] = 28
size[3] = 28
imagesTensor.resize(size)
imagesTensor /= 255.0
imagesTensor -= 0.2
print('imagesTensor.size()', imagesTensor.size())
print('start training...')
for epoch in range(4):
numRight = 0
for n in range(N):
# print('n', n)
input = imagesTensor[n]
label = labelsTensor[n]
labelTensor = PyTorch.DoubleTensor(1)
labelTensor[0] = label
# print('label', label)
output = mlp.forward(input)
prediction = PyTorch.getDoublePrediction(output)
# print('prediction', prediction)
if prediction == label:
numRight += 1
criterion.forward(output, labelTensor)
mlp.zeroGradParameters()
gradOutput = criterion.backward(output, labelTensor)
mlp.backward(input, gradOutput)
mlp.updateParameters(learningRate)
# PyTorch.collectgarbage()
# if n % 100 == 0:
# print('n=', n)
print('epoch ' + str(epoch) + ' accuracy: ' + str(numRight * 100.0 / N) + '%')
def load_lua_buffer(chunkbuffer,chunkname):
"Compile and run the Lua code in chunkbuffer and put objects in module chunkname"
lua = PyTorch.getGlobalState().getLua()
return lua.loadBufferAndCall(chunkbuffer,chunkname)
from __future__ import print_function
import PyTorch
import array
import numpy
A = numpy.random.rand(6).reshape(3,2).astype(numpy.float32)
B = numpy.random.rand(8).reshape(2,4).astype(numpy.float32)
C = A.dot(B)
print('C', C)
print('calling .asTensor...')
tensorA = PyTorch.asTensor(A)
tensorB = PyTorch.asTensor(B)
print(' ... asTensor called')
print('tensorA', tensorA)
tensorA.set2d(1, 1, 56.4)
tensorA.set2d(2, 0, 76.5)
print('tensorA', tensorA)
print('A', A)
tensorA += 5
print('tensorA', tensorA)
print('A', A)
tensorA2 = tensorA + 7
print('tensorA2', tensorA2)
print('tensorA', tensorA)
def test_pytorchLong():
PyTorch.manualSeed(123)
numpy.random.seed(123)
LongTensor = PyTorch.LongTensor
D = PyTorch.LongTensor(5,3).fill(1)
print('D', D)
D[2][2] = 4
print('D', D)
D[3].fill(9)
print('D', D)
D.narrow(1,2,1).fill(0)
print('D', D)
print(PyTorch.LongTensor(3,4).bernoulli())
print(PyTorch.LongTensor(3,4).geometric())
print(PyTorch.LongTensor(3,4).geometric())
PyTorch.manualSeed(3)
print(PyTorch.LongTensor(3,4).geometric())
PyTorch.manualSeed(3)
print(PyTorch.LongTensor(3,4).geometric())
print(type(PyTorch.LongTensor(2,3)))
size = PyTorch.LongStorage(2)
size[0] = 4
size[1] = 3
D.resize(size)
print('D after resize:\n', D)
print('resize1d', PyTorch.LongTensor().resize1d(3).fill(1))
print('resize2d', PyTorch.LongTensor().resize2d(2, 3).fill(1))
print('resize', PyTorch.LongTensor().resize(size).fill(1))
D = PyTorch.LongTensor(size).geometric()
# def myeval(expr):
# print(expr, ':', eval(expr))
# def myexec(expr):
# print(expr)
# exec(expr)
myeval('LongTensor(3,2).nElement()')
myeval('LongTensor().nElement()')
myeval('LongTensor(1).nElement()')
A = LongTensor(3,4).geometric(0.9)
myeval('A')
myexec('A += 3')
myeval('A')
myexec('A *= 3')
myeval('A')
myexec('A -= 3')
myeval('A')
myexec('A /= 3')
myeval('A')
myeval('A + 5')
myeval('A - 5')
myeval('A * 5')
myeval('A / 2')
B = LongTensor().resizeAs(A).geometric(0.9)
myeval('B')
myeval('A + B')
myeval('A - B')
myexec('A += B')
myeval('A')
myexec('A -= B')
myeval('A')
from __future__ import print_function
import PyTorch
import array
import numpy
A = numpy.random.rand(6).reshape(3, 2).astype(numpy.float32)
B = numpy.random.rand(8).reshape(2, 4).astype(numpy.float32)
C = A.dot(B)
print('C', C)
print('calling .asTensor...')
tensorA = PyTorch.asTensor(A)
tensorB = PyTorch.asTensor(B)
print(' ... asTensor called')
print('tensorA', tensorA)
tensorA.set2d(1, 1, 56.4)
tensorA.set2d(2, 0, 76.5)
print('tensorA', tensorA)
print('A', A)
tensorA += 5
print('tensorA', tensorA)
print('A', A)
tensorA2 = tensorA + 7
print('tensorA2', tensorA2)
print('tensorA', tensorA)
from __future__ import print_function
import PyTorch
from PyTorchAug import nn
PyTorch.require("rnn")
if __name__ == "__main__":
lstm = nn.LSTM(3, 4)
print("lstm", lstm)
def test_call_lua():
TestCallLua = PyTorchHelpers.load_lua_class('test/test_call_lua.lua',
'TestCallLua')
batchSize = 2
numFrames = 4
inSize = 3
outSize = 3
kernelSize = 3
luabit = TestCallLua('green')
print(luabit.getName())
assert luabit.getName() == 'green'
print('type(luabit)', type(luabit))
assert str(type(luabit)) == '<class \'PyTorchLua.TestCallLua\'>'
np.random.seed(123)
inTensor = np.random.randn(batchSize, numFrames, inSize).astype('float32')
luain = PyTorch.asFloatTensor(inTensor)
luaout = luabit.getOut(luain, outSize, kernelSize)
outTensor = luaout.asNumpyTensor()
print('outTensor', outTensor)
# I guess we just assume if we got to this point, with no exceptions, then thats a good thing...
# lets add some new test...
outTensor = luabit.addThree(luain).asNumpyTensor()
assert isinstance(outTensor, np.ndarray)
assert inTensor.shape == outTensor.shape
assert np.abs((inTensor + 3) - outTensor).max() < 1e-4
res = luabit.printTable(
{
'color': 'red',
'weather': 'sunny',
'anumber': 10,
'afloat': 1.234
}, 'mistletoe', {
'row1': 'col1',
'meta': 'data'
})
print('res', res)
assert res == {'foo': 'bar', 'result': 12.345, 'bear': 'happy'}
# List and tuple support by conversion to dictionary
reslist = luabit.modifyList([3.1415, r'~Python\omega', 42])
restuple = luabit.modifyList((3.1415, r'~Python\omega', 42))
assert len(reslist) == len(restuple) == 4
assert list(reslist.keys()) == list(restuple.keys()) == [1, 2, 3, 4]
assert reslist[1] == restuple[1]
assert (reslist[1] - 3.1415) < 1e-7
reslist.pop(1)
restuple.pop(1)
assert reslist == restuple == {
2: r'~Python\omega',
3: 42,
4: 'Lorem Ipsum'
}
# Get an object created from scratch by Lua
res = luabit.getList()
assert res[1] == 3.1415
res.pop(1)
assert res == {2: 'Lua', 3: 123}
def test_cltorch():
if "ALLOW_NON_GPUS" in os.environ:
PyClTorch.setAllowNonGpus(True)
# a = PyTorch.foo(3,2)
# print('a', a)
# print(PyTorch.FloatTensor(3,2))
a = PyClTorch.ClTensor([3, 4, 9])
assert a[0] == 3
assert a[1] == 4
assert a[2] == 9
print("a", a)
a = PyClTorch.ClTensor([[3, 5, 7], [9, 2, 4]])
print("a", a)
print("a[0]", a[0])
print("a[0][0]", a[0][0])
assert a[0][0] == 3
assert a[1][0] == 9
assert a[1][2] == 4
PyTorch.manualSeed(123)
a = PyTorch.FloatTensor(4, 3).uniform()
print("a", a)
a_cl = a.cl()
print(type(a_cl))
assert str(type(a_cl)) == "<class 'PyClTorch.ClTensor'>"
print("a_cl[0]", a_cl[0])
print("a_cl[0][0]", a_cl[0][0])
assert a[0][0] == a_cl[0][0]
assert a[0][1] == a_cl[0][1]
assert a[1][1] == a_cl[1][1]
print("a.dims()", a.dims())
print("a.size()", a.size())
print("a", a)
assert a.dims() == 2
assert a.size()[0] == 4
assert a.size()[1] == 3
a_sum = a.sum()
a_cl_sum = a_cl.sum()
assert abs(a_sum - a_cl_sum) < 1e-4
a_cl2 = a_cl + 3.2
assert abs(a_cl2[1][0] - a[1][0] - 3.2) < 1e-4
b = PyClTorch.ClTensor()
print("got b")
myeval("b")
assert b.dims() == -1
b.resizeAs(a)
myeval("b")
assert b.dims() == 2
assert b.size()[0] == 4
assert b.size()[1] == 3
print("run uniform")
b.uniform()
myeval("b")
print("create new b")
b = PyClTorch.ClTensor()
print("b.dims()", b.dims())
print("b.size()", b.size())
print("b", b)
c = PyTorch.FloatTensor().cl()
print("c.dims()", c.dims())
print("c.size()", c.size())
print("c", c)
assert b.dims() == -1
assert b.size() is None
print("creating Linear...")
linear = nn.Linear(3, 5).float()
print("created linear")
print("linear:", linear)
myeval("linear.output")
myeval("linear.output.dims()")
myeval("linear.output.size()")
myeval("linear.output.nElement()")
linear_cl = linear.clone().cl()
print("type(linear.output)", type(linear.output))
print("type(linear_cl.output)", type(linear_cl.output))
assert str(type(linear.output)) == "<class 'PyTorch._FloatTensor'>"
assert str(type(linear_cl.output)) == "<class 'PyClTorch.ClTensor'>"
# myeval('type(linear)')
# myeval('type(linear.output)')
myeval("linear_cl.output.dims()")
myeval("linear_cl.output.size()")
# myeval('linear.output')
assert str(type(linear)) == "<class 'PyTorchAug.Linear'>"
assert str(type(linear_cl)) == "<class 'PyTorchAug.Linear'>"
# assert str(type(linear.output)) == '<class \'PyClTorch.ClTensor\'>'
# assert linear.output.dims() == -1 # why is this 0? should be -1???
# assert linear.output.size() is None # again, should be None?
a_cl = PyClTorch.ClTensor(4, 3).uniform()
# print('a_cl', a_cl)
output_cl = linear_cl.forward(a_cl)
# print('output', output)
assert str(type(output_cl)) == "<class 'PyClTorch.ClTensor'>"
assert output_cl.dims() == 2
assert output_cl.size()[0] == 4
assert output_cl.size()[1] == 5
a = a_cl.float()
output = linear.forward(a)
assert str(type(output)) == "<class 'PyTorch._FloatTensor'>"
assert output.dims() == 2
assert output.size()[0] == 4
assert output.size()[1] == 5
print("a.size()", a.size())
print("a_cl.size()", a_cl.size())
assert a[1][0] == a_cl[1][0]
assert a[2][1] == a_cl[2][1]
mlp = nn.Sequential()
mlp.add(nn.SpatialConvolutionMM(1, 16, 5, 5, 1, 1, 2, 2))
mlp.add(nn.ReLU())
mlp.add(nn.SpatialMaxPooling(3, 3, 3, 3))
mlp.add(nn.SpatialConvolutionMM(16, 32, 5, 5, 1, 1, 2, 2))
mlp.add(nn.ReLU())
mlp.add(nn.SpatialMaxPooling(2, 2, 2, 2))
mlp.add(nn.Reshape(32 * 4 * 4))
mlp.add(nn.Linear(32 * 4 * 4, 150))
mlp.add(nn.Tanh())
mlp.add(nn.Linear(150, 10))
mlp.add(nn.LogSoftMax())
mlp.float()
mlp_cl = mlp.clone().cl()
print("mlp_cl", mlp_cl)
# myeval('mlp.output')
input = PyTorch.FloatTensor(128, 1, 28, 28).uniform()
input_cl = PyClTorch.FloatTensorToClTensor(input.clone()) # This is a bit hacky...
output = mlp.forward(input)
# myeval('input[0]')
output_cl = mlp_cl.forward(input_cl)
# myeval('output[0]')
assert (output_cl.float() - output).abs().max() < 1e-4
def test_pytorchFloat():
PyTorch.manualSeed(123)
numpy.random.seed(123)
FloatTensor = PyTorch.FloatTensor
A = numpy.random.rand(6).reshape(3,2).astype(numpy.float32)
B = numpy.random.rand(8).reshape(2,4).astype(numpy.float32)
C = A.dot(B)
print('C', C)
print('calling .asTensor...')
tensorA = PyTorch.asFloatTensor(A)
tensorB = PyTorch.asFloatTensor(B)
print(' ... asTensor called')
print('tensorA', tensorA)
tensorA.set2d(1, 1, 56.4)
tensorA.set2d(2, 0, 76.5)
print('tensorA', tensorA)
print('A', A)
print('add 5 to tensorA')
tensorA += 5
print('tensorA', tensorA)
print('A', A)
print('add 7 to tensorA')
tensorA2 = tensorA + 7
print('tensorA2', tensorA2)
print('tensorA', tensorA)
tensorAB = tensorA * tensorB
print('tensorAB', tensorAB)
print('A.dot(B)', A.dot(B))
print('tensorA[2]', tensorA[2])
D = PyTorch.FloatTensor(5,3).fill(1)
print('D', D)
D[2][2] = 4
print('D', D)
D[3].fill(9)
print('D', D)
D.narrow(1,2,1).fill(0)
print('D', D)
print(PyTorch.FloatTensor(3,4).uniform())
print(PyTorch.FloatTensor(3,4).normal())
print(PyTorch.FloatTensor(3,4).cauchy())
print(PyTorch.FloatTensor(3,4).exponential())
print(PyTorch.FloatTensor(3,4).logNormal())
print(PyTorch.FloatTensor(3,4).bernoulli())
print(PyTorch.FloatTensor(3,4).geometric())
print(PyTorch.FloatTensor(3,4).geometric())
PyTorch.manualSeed(3)
print(PyTorch.FloatTensor(3,4).geometric())
PyTorch.manualSeed(3)
print(PyTorch.FloatTensor(3,4).geometric())
print(type(PyTorch.FloatTensor(2,3)))
size = PyTorch.LongStorage(2)
size[0] = 4
size[1] = 3
D.resize(size)
print('D after resize:\n', D)
print('resize1d', PyTorch.FloatTensor().resize1d(3).fill(1))
print('resize2d', PyTorch.FloatTensor().resize2d(2, 3).fill(1))
print('resize', PyTorch.FloatTensor().resize(size).fill(1))
D = PyTorch.FloatTensor(size).geometric()
# def myeval(expr):
# print(expr, ':', eval(expr))
# def myexec(expr):
# print(expr)
# exec(expr)
myeval('FloatTensor(3,2).nElement()')
myeval('FloatTensor().nElement()')
myeval('FloatTensor(1).nElement()')
A = FloatTensor(3,4).geometric(0.9)
myeval('A')
myexec('A += 3')
myeval('A')
myexec('A *= 3')
myeval('A')
myexec('A -= 3')
myeval('A')
myexec('A /= 3')
myeval('A')
myeval('A + 5')
myeval('A - 5')
myeval('A * 5')
myeval('A / 2')
B = FloatTensor().resizeAs(A).geometric(0.9)
myeval('B')
myeval('A + B')
myeval('A - B')
myexec('A += B')
myeval('A')
myexec('A -= B')
myeval('A')
def asDoubleTensor(myarray):
return DoubleTensor(PyTorch._asDoubleTensor(myarray))
def test_cltorch():
if 'ALLOW_NON_GPUS' in os.environ:
PyClTorch.setAllowNonGpus(True)
# a = PyTorch.foo(3,2)
# print('a', a)
# print(PyTorch.FloatTensor(3,2))
a = PyClTorch.ClTensor([3, 4, 9])
assert a[0] == 3
assert a[1] == 4
assert a[2] == 9
print('a', a)
a = PyClTorch.ClTensor([[3, 5, 7], [9, 2, 4]])
print('a', a)
print('a[0]', a[0])
print('a[0][0]', a[0][0])
assert a[0][0] == 3
assert a[1][0] == 9
assert a[1][2] == 4
PyTorch.manualSeed(123)
a = PyTorch.FloatTensor(4, 3).uniform()
print('a', a)
a_cl = a.cl()
print(type(a_cl))
assert str(type(a_cl)) == '<class \'PyClTorch.ClTensor\'>'
print('a_cl[0]', a_cl[0])
print('a_cl[0][0]', a_cl[0][0])
assert a[0][0] == a_cl[0][0]
assert a[0][1] == a_cl[0][1]
assert a[1][1] == a_cl[1][1]
print('a.dims()', a.dims())
print('a.size()', a.size())
print('a', a)
assert a.dims() == 2
assert a.size()[0] == 4
assert a.size()[1] == 3
a_sum = a.sum()
a_cl_sum = a_cl.sum()
assert abs(a_sum - a_cl_sum) < 1e-4
a_cl2 = a_cl + 3.2
assert abs(a_cl2[1][0] - a[1][0] - 3.2) < 1e-4
b = PyClTorch.ClTensor()
print('got b')
myeval('b')
assert b.dims() == -1
b.resizeAs(a)
myeval('b')
assert b.dims() == 2
assert b.size()[0] == 4
assert b.size()[1] == 3
print('run uniform')
b.uniform()
myeval('b')
print('create new b')
b = PyClTorch.ClTensor()
print('b.dims()', b.dims())
print('b.size()', b.size())
print('b', b)
c = PyTorch.FloatTensor().cl()
print('c.dims()', c.dims())
print('c.size()', c.size())
print('c', c)
assert b.dims() == -1
assert b.size() is None
print('creating Linear...')
linear = nn.Linear(3, 5).float()
print('created linear')
print('linear:', linear)
myeval('linear.output')
myeval('linear.output.dims()')
myeval('linear.output.size()')
myeval('linear.output.nElement()')
linear_cl = linear.clone().cl()
print('type(linear.output)', type(linear.output))
print('type(linear_cl.output)', type(linear_cl.output))
assert str(type(linear.output)) == '<class \'PyTorch._FloatTensor\'>'
assert str(type(linear_cl.output)) == '<class \'PyClTorch.ClTensor\'>'
# myeval('type(linear)')
# myeval('type(linear.output)')
myeval('linear_cl.output.dims()')
myeval('linear_cl.output.size()')
# myeval('linear.output')
assert str(type(linear)) == '<class \'PyTorchAug.Linear\'>'
assert str(type(linear_cl)) == '<class \'PyTorchAug.Linear\'>'
# assert str(type(linear.output)) == '<class \'PyClTorch.ClTensor\'>'
# assert linear.output.dims() == -1 # why is this 0? should be -1???
# assert linear.output.size() is None # again, should be None?
a_cl = PyClTorch.ClTensor(4, 3).uniform()
# print('a_cl', a_cl)
output_cl = linear_cl.forward(a_cl)
# print('output', output)
assert str(type(output_cl)) == '<class \'PyClTorch.ClTensor\'>'
assert output_cl.dims() == 2
assert output_cl.size()[0] == 4
assert output_cl.size()[1] == 5
a = a_cl.float()
output = linear.forward(a)
assert str(type(output)) == '<class \'PyTorch._FloatTensor\'>'
assert output.dims() == 2
assert output.size()[0] == 4
assert output.size()[1] == 5
print('a.size()', a.size())
print('a_cl.size()', a_cl.size())
assert a[1][0] == a_cl[1][0]
assert a[2][1] == a_cl[2][1]
mlp = nn.Sequential()
mlp.add(nn.SpatialConvolutionMM(1, 16, 5, 5, 1, 1, 2, 2))
mlp.add(nn.ReLU())
mlp.add(nn.SpatialMaxPooling(3, 3, 3, 3))
mlp.add(nn.SpatialConvolutionMM(16, 32, 5, 5, 1, 1, 2, 2))
mlp.add(nn.ReLU())
mlp.add(nn.SpatialMaxPooling(2, 2, 2, 2))
mlp.add(nn.Reshape(32 * 4 * 4))
mlp.add(nn.Linear(32 * 4 * 4, 150))
mlp.add(nn.Tanh())
mlp.add(nn.Linear(150, 10))
mlp.add(nn.LogSoftMax())
mlp.float()
mlp_cl = mlp.clone().cl()
print('mlp_cl', mlp_cl)
# myeval('mlp.output')
input = PyTorch.FloatTensor(128, 1, 28, 28).uniform()
input_cl = PyClTorch.FloatTensorToClTensor(
input.clone()) # This is a bit hacky...
output = mlp.forward(input)
# myeval('input[0]')
output_cl = mlp_cl.forward(input_cl)
# myeval('output[0]')
assert (output_cl.float() - output).abs().max() < 1e-4
def asFloatTensor(myarray):
f1 = PyTorch._asFloatTensor(myarray)
# print('type(f1)', type(f1))
return FloatTensor(f1)
def asByteTensor(myarray):
f1 = PyTorch._asByteTensor(myarray)
# print('type(f1)', type(f1))
return ByteTensor(f1)
import numpy as np
Luabit = PyTorchHelpers.load_lua_class('luabit.lua', 'Luabit')
batchSize = 2
numFrames = 4
inSize = 3
outSize = 3
kernelSize = 3
luabit = Luabit('green')
print(luabit.getName())
print('type(luabit)', type(luabit))
inTensor = np.random.randn(batchSize, numFrames, inSize).astype('float32')
luain = PyTorch.asFloatTensor(inTensor)
luaout = luabit.getOut(luain, outSize, kernelSize)
outTensor = luaout.asNumpyTensor()
print('outTensor', outTensor)
res = luabit.printTable(
{
'color': 'red',
'weather': 'sunny',
'anumber': 10,
'afloat': 1.234
}, 'mistletoe', {
'row1': 'col1',
'meta': 'data'
from __future__ import print_function
import PyTorch
import array
import numpy
import sys
A = numpy.random.rand(6).reshape(2,3).astype(numpy.float32)
tensorA = PyTorch.asTensor(A)
nn = PyTorch.Nn()
linear = nn.Linear(3, 8)
output = linear.updateOutput(tensorA)
print('output', output)
print('weight', linear.weight)
#dataset = nn.Dataset()
#criterion = nn.MSECriterion()
#trainer = nn.StochasticGradient(linear, criterion)
sys.path.append('thirdparty/python-mnist')
from mnist import MNIST
mlp = nn.Sequential()
mlp.add(nn.Linear(784, 10))
mlp.add(nn.LogSoftMax())
criterion = nn.ClassNLLCriterion()
learningRate = 0.0001
def test_pynn():
PyTorch.manualSeed(123)
linear = Linear(3, 5)
linear
print('linear', linear)
print('linear.weight', linear.weight)
print('linear.output', linear.output)
print('linear.gradInput', linear.gradInput)
input = PyTorch.DoubleTensor(4, 3).uniform()
print('input', input)
output = linear.updateOutput(input)
print('output', output)
gradInput = linear.updateGradInput(input, output)
print('gradInput', gradInput)
criterion = ClassNLLCriterion()
print('criterion', criterion)
print('dir(linear)', dir(linear))
mlp = Sequential()
mlp.add(linear)
output = mlp.forward(input)
print('output', output)
import sys
sys.path.append('thirdparty/python-mnist')
from mnist import MNIST
import numpy
import array
numpy.random.seed(123)
mlp = Sequential()
linear = Linear(784, 10)
mlp.add(linear)
logSoftMax = LogSoftMax()
mlp.add(logSoftMax)
mlp
criterion = ClassNLLCriterion()
print('got criterion')
learningRate = 0.0001
mndata = MNIST('/norep/data/mnist')
imagesList, labelsB = mndata.load_training()
images = numpy.array(imagesList).astype(numpy.float64)
#print('imagesArray', images.shape)
#print(images[0].shape)
labelsf = array.array('d', labelsB.tolist())
imagesTensor = PyTorch.asDoubleTensor(images)
#imagesTensor = PyTorch.FloatTensor(100,784)
#labels = numpy.array(20,).astype(numpy.int32)
#labelsTensor = PyTorch.FloatTensor(100).fill(1)
#print('labels', labels)
#print(imagesTensor.size())
def printStorageAddr(name, tensor):
print('printStorageAddr START')
storage = tensor.storage()
if storage is None:
print(name, 'storage is None')
else:
print(name, 'storage is ', hex(storage.dataAddr()))
print('printStorageAddr END')
labelsTensor = PyTorch.asDoubleTensor(labelsf)
labelsTensor += 1
#print('calling size on imagestensor...')
#print(' (called size)')
desiredN = 128
maxN = int(imagesTensor.size()[0])
desiredN = min(maxN, desiredN)
imagesTensor = imagesTensor.narrow(0, 0, desiredN)
labelsTensor = labelsTensor.narrow(0, 0, desiredN)
print('imagesTensor.size()', imagesTensor.size())
print('labelsTensor.size()', labelsTensor.size())
N = int(imagesTensor.size()[0])
print('type(imagesTensor)', type(imagesTensor))
print('start training...')
for epoch in range(4):
numRight = 0
for n in range(N):
# print('n', n)
input = imagesTensor[n]
label = labelsTensor[n]
labelTensor = PyTorch.DoubleTensor(1)
labelTensor[0] = label
# print('label', label)
output = mlp.forward(input)
prediction = PyTorch.getDoublePrediction(output)
# print('prediction', prediction)
if prediction == label:
numRight += 1
criterion.forward(output, labelTensor)
mlp.zeroGradParameters()
gradOutput = criterion.backward(output, labelTensor)
mlp.backward(input, gradOutput)
mlp.updateParameters(learningRate)
# PyTorch.collectgarbage()
# if n % 100 == 0:
# print('n=', n)
print('epoch ' + str(epoch) + ' accuracy: ' + str(numRight * 100.0 / N) + '%')
def test_pycudann():
# PyTorch.manualSeed(123)
linear = Linear(3, 5).cuda()
print('linear', linear)
print('linear.weight', linear.weight)
print('linear.output', linear.output)
print('linear.gradInput', linear.gradInput)
input = PyTorch.DoubleTensor(4, 3).uniform().cuda()
print('input', input)
output = linear.updateOutput(input)
print('output', output)
gradInput = linear.updateGradInput(input, output)
print('gradInput', gradInput)
criterion = ClassNLLCriterion().cuda()
print('criterion', criterion)
print('dir(linear)', dir(linear))
mlp = Sequential()
mlp.add(linear)
mlp.cuda()
output = mlp.forward(input)
print('output', output)
import sys
sys.path.append('../pytorch/thirdparty/python-mnist')
from mnist import MNIST
import numpy
import array
# numpy.random.seed(123)
mlp = Sequential()
mlp.add(SpatialConvolutionMM(1, 16, 5, 5, 1, 1, 2, 2))
mlp.add(ReLU())
mlp.add(SpatialMaxPooling(3, 3, 3, 3))
mlp.add(SpatialConvolutionMM(16, 32, 3, 3, 1, 1, 1, 1))
mlp.add(ReLU())
mlp.add(SpatialMaxPooling(2, 2, 2, 2))
mlp.add(Reshape(32 * 4 * 4))
mlp.add(Linear(32 * 4 * 4, 150))
mlp.add(Tanh())
mlp.add(Linear(150, 10))
mlp.add(LogSoftMax())
mlp.cuda()
criterion = ClassNLLCriterion().cuda()
print('got criterion')
learningRate = 0.02
mndata = MNIST('/norep/data/mnist')
imagesList, labelsB = mndata.load_training()
images = numpy.array(imagesList).astype(numpy.float64)
#print('imagesArray', images.shape)
#print(images[0].shape)
labelsf = array.array('d', labelsB.tolist())
imagesTensor = PyTorch.asDoubleTensor(images).cuda()
#imagesTensor = PyTorch.FloatTensor(100,784)
#labels = numpy.array(20,).astype(numpy.int32)
#labelsTensor = PyTorch.FloatTensor(100).fill(1)
#print('labels', labels)
#print(imagesTensor.size())
def printStorageAddr(name, tensor):
print('printStorageAddr START')
storage = tensor.storage()
if storage is None:
print(name, 'storage is None')
else:
print(name, 'storage is ', hex(storage.dataAddr()))
print('printStorageAddr END')
labelsTensor = PyTorch.asDoubleTensor(labelsf).cuda()
labelsTensor += 1
#print('calling size on imagestensor...')
#print(' (called size)')
desiredN = 1280
maxN = int(imagesTensor.size()[0])
desiredN = min(maxN, desiredN)
imagesTensor = imagesTensor.narrow(0, 0, desiredN)
labelsTensor = labelsTensor.narrow(0, 0, desiredN)
print('imagesTensor.size()', imagesTensor.size())
print('labelsTensor.size()', labelsTensor.size())
N = int(imagesTensor.size()[0])
print('type(imagesTensor)', type(imagesTensor))
size = PyTorch.LongStorage(4)
size[0] = N
size[1] = 1
size[2] = 28
size[3] = 28
imagesTensor.resize(size)
imagesTensor /= 255.0
imagesTensor -= 0.2
print('imagesTensor.size()', imagesTensor.size())
print('start training...')
for epoch in range(12):
numRight = 0
for n in range(N):
# print('n', n)
input = imagesTensor[n]
label = labelsTensor[n]
labelTensor = PyTorch.DoubleTensor(1).cuda()
labelTensor[0] = label
# print('label', label)
output = mlp.forward(input)
prediction = PyCudaTorch.getPrediction(output)
# print('prediction', prediction)
if prediction == label:
numRight += 1
criterion.forward(output, labelTensor)
mlp.zeroGradParameters()
gradOutput = criterion.backward(output, labelTensor)
mlp.backward(input, gradOutput)
mlp.updateParameters(learningRate)
# PyTorch.collectgarbage()
# if n % 100 == 0:
# print('n=', n)
print('epoch ' + str(epoch) + ' accuracy: ' + str(numRight * 100.0 / N) + '%')
from __future__ import print_function, division
import PyTorch
from PyTorchAug import nn
#net = nn.Minus()
inputTensor = PyTorch.DoubleTensor(2, 3).uniform()
print('inputTensor', inputTensor)
PyTorch.require('nnx')
net = nn.Minus()
print(net.forward(inputTensor))
def asDoubleTensor(myarray):
return DoubleTensor(PyTorch._asDoubleTensor(myarray))
from __future__ import print_function
import PyTorch
PyTorch.require('rnn')
from PyTorchAug import nn
lstm = nn.LSTM(3,4)
print('lstm', lstm)
