Change callHooks structure.

This commit is contained in:
rowanc1
2013-12-04 15:31:11 -08:00
parent abfe1f033e
commit ccb4d4052d
4 changed files with 62 additions and 60 deletions
+13 -29
View File
@@ -85,25 +85,19 @@ class BaseInversion(object):
if self.stoppingCriteria(): break
self.printDone()
self.finish()
return self.m
@callHooks('startup')
def startup(self, m0):
"""
**startup** is called at the start of any new run call.
If you have things that also need to run on startup, you can create a method::
def _startup*(self, x0):
pass
Where the * can be any string. If present, _startup* will be called at the start of the default startup call.
You may also completely overwrite this function.
:param numpy.ndarray x0: initial x
:rtype: None
:return: None
"""
callHooks(self,'startup',m0)
if not hasattr(self.reg, '_mref'):
print 'Regularization has not set mref. SimPEG will set it to m0.'
@@ -115,43 +109,25 @@ class BaseInversion(object):
self.phi_d_last = np.nan
self.phi_m_last = np.nan
@callHooks('doStartIteration')
def doStartIteration(self):
"""
**doStartIteration** is called at the end of each run iteration.
If you have things that also need to run at the end of every iteration, you can create a method::
def _doStartIteration*(self):
pass
Where the * can be any string. If present, _doStartIteration* will be called at the start of the default doStartIteration call.
You may also completely overwrite this function.
:rtype: None
:return: None
"""
callHooks(self,'doStartIteration')
self._beta = self.getBeta()
@callHooks('doEndIteration')
def doEndIteration(self):
"""
**doEndIteration** is called at the end of each run iteration.
If you have things that also need to run at the end of every iteration, you can create a method::
def _doEndIteration*(self):
pass
Where the * can be any string. If present, _doEndIteration* will be called at the start of the default doEndIteration call.
You may also completely overwrite this function.
:rtype: None
:return: None
"""
callHooks(self,'doEndIteration')
# store old values
self.phi_d_last = self.phi_d
self.phi_m_last = self.phi_m
@@ -213,6 +189,14 @@ class BaseInversion(object):
"""
printStoppers(self, self.stoppers)
@callHooks('finish')
def finish(self):
"""finish()
**finish** is called at the end of the optimization.
"""
pass
@timeIt
def evalFunction(self, m, return_g=True, return_H=True):
"""evalFunction(m, return_g=True, return_H=True)
+15 -25
View File
@@ -155,6 +155,7 @@ class Minimize(object):
doEndIteration(xt)
printDone()
finish()
return xc
"""
self.evalFunction = evalFunction
@@ -175,6 +176,7 @@ class Minimize(object):
self.doEndIteration(xt)
self.printDone()
self.finish()
return self.xc
@@ -188,6 +190,7 @@ class Minimize(object):
def parent(self, value):
self._parent = value
@callHooks('startup')
def startup(self, x0):
"""
**startup** is called at the start of any new minimize call.
@@ -198,19 +201,10 @@ class Minimize(object):
xc = x0
_iter = _iterLS = 0
If you have things that also need to run on startup, you can create a method::
def _startup*(self, x0):
pass
Where the * can be any string. If present, _startup* will be called at the start of the default startup call.
You may also completely overwrite this function.
:param numpy.ndarray x0: initial x
:rtype: None
:return: None
"""
callHooks(self,'startup',x0)
self._iter = 0
self._iterLS = 0
@@ -222,6 +216,7 @@ class Minimize(object):
self.x_last = x0
@count
@callHooks('doStartIteration')
def doStartIteration(self):
"""doStartIteration()
@@ -230,7 +225,8 @@ class Minimize(object):
:rtype: None
:return: None
"""
callHooks(self,'doStartIteration')
pass
def printInit(self, inLS=False):
"""
@@ -244,6 +240,7 @@ class Minimize(object):
name = self.name if not inLS else self.nameLS
printTitles(self, self.printers if not inLS else self.printersLS, name, pad)
@callHooks('printIter')
def printIter(self, inLS=False):
"""
**printIter** is called directly after function evaluations.
@@ -252,8 +249,6 @@ class Minimize(object):
parent.printIter function and call that.
"""
callHooks(self,'printIter',inLS)
pad = ' '*10 if inLS else ''
printLine(self, self.printers if not inLS else self.printersLS, pad=pad)
@@ -270,6 +265,11 @@ class Minimize(object):
stoppers = self.stoppers if not inLS else self.stoppersLS
printStoppers(self, stoppers, pad='', stop=stop, done=done)
def finish(self):
pass
def stoppingCriteria(self, inLS=False):
if self._iter == 0:
self.f0 = self.f
@@ -277,6 +277,7 @@ class Minimize(object):
return checkStoppers(self, self.stoppers if not inLS else self.stoppersLS)
@timeIt
@callHooks('projection')
def projection(self, p):
"""projection(p)
@@ -288,7 +289,6 @@ class Minimize(object):
:rtype: numpy.ndarray
:return: p, projected search direction
"""
callHooks(self,'projection',p)
return p
@timeIt
@@ -402,6 +402,7 @@ class Minimize(object):
return p, False
@count
@callHooks('doEndIteration')
def doEndIteration(self, xt):
"""doEndIteration(xt)
@@ -411,21 +412,10 @@ class Minimize(object):
self.xc must be updated in this code.
If you have things that also need to run at the end of every iteration, you can create a method::
def _doEndIteration*(self, xt):
pass
Where the * can be any string. If present, _doEndIteration* will be called at the start of the default doEndIteration call.
You may also completely overwrite this function.
:param numpy.ndarray xt: tested new iterate that ensures a descent direction.
:rtype: None
:return: None
"""
callHooks(self,'doEndIteration',xt)
# store old values
self.f_last = self.f
self.x_last, self.xc = self.xc, xt
@@ -630,7 +620,7 @@ class ProjectedGradient(Minimize, Remember):
if self.debug: print 'doEndIteration.ProjGrad, f_current_decrease: ', f_current_decrease
if self.debug: print 'doEndIteration.ProjGrad, f_decrease_max: ', self.f_decrease_max
if self.debug: print 'doEndIteration.ProjGrad, stopDoingSD: ', self.stopDoingSD
if self.debug: print 'doEndIteration.ProjGrad, stopDoingSD: ', self.stopDoingPG
class BFGS(Minimize, Remember):
+1 -1
View File
@@ -32,7 +32,7 @@ class TestOptimizers(unittest.TestCase):
self.assertTrue(np.linalg.norm(xopt-x_true,2) < TOL, True)
def test_ProjGradient_quadraticBounded(self):
PG = inverse.ProjectedGradient()
PG = inverse.ProjectedGradient(debug=True)
PG.lower, PG.upper = -2, 2
xopt = PG.minimize(getQuadratic(self.A,self.b),np.array([0,0]))
x_true = np.array([2.,2.])
+33 -5
View File
@@ -23,7 +23,7 @@ def hook(obj, method, name=None, overwrite=False, silent=False):
If name is None, the name of the method is used.
"""
if name is None:
if name is None:
name = method.__name__
if name == '<lambda>':
raise Exception('Must provide name to hook lambda functions.')
@@ -87,11 +87,39 @@ def printStoppers(obj, stoppers, pad='', stop='STOP!', done='DONE!'):
print pad + stopper['str'] % (l<=r,l,r)
print pad + "%s%s%s" % ('-'*25,done,'-'*25)
def callHooks(obj, match, *args, **kwargs):
for method in [posible for posible in dir(obj) if ('_'+match) in posible]:
if getattr(obj,'debug',False): print (match+' is calling self.'+method)
getattr(obj,method)(*args, **kwargs)
def callHooks(match):
"""
Use this to wrap a funciton::
@callHooks('doEndIteration')
def doEndIteration(self):
pass
This will call everything named _doEndIteration* at the beginning of the function call.
"""
def callHooksWrap(f):
@wraps(f)
def wrapper(self,*args,**kwargs):
for method in [posible for posible in dir(self) if ('_'+match) in posible]:
if getattr(self,'debug',False): print (match+' is calling self.'+method)
getattr(self,method)(*args, **kwargs)
return f(self,*args,**kwargs)
extra = """
If you have things that also need to run in the method %s, you can create a method::
def _%s*(self, ... ):
pass
Where the * can be any string. If present, _%s* will be called at the start of the default %s call.
You may also completely overwrite this function.
""" % (match, match, match, match)
wrapper.__doc__ += extra
return wrapper
return callHooksWrap
class Counter(object):