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Commit d296d7a7 authored by Philipp Frank's avatar Philipp Frank
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split LinearEinsum init for calling as lin

parent bb066937
Pipeline #74967 passed with stages
in 26 minutes and 16 seconds
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nifty6/operators/einsum.py
View file @ d296d7a7
......@@ -103,18 +103,14 @@ class MultiLinearEinsum(Operator):
self._sscr_endswith = dict()
self._linpaths = dict()
for k, (i, ss), nss in zip(self._key_order, enumerate(iss_spl),
numpy_iss_spl):
left_ss_spl = (*iss_spl[:i], *iss_spl[i + 1:], ss)
self._sscr_endswith[k] = '->'.join(
(','.join(left_ss_spl), oss)
)
left_ss_spl = (*numpy_iss_spl[:i], *numpy_iss_spl[i + 1:], nss)
for k, (i, ss) in zip(self._key_order, enumerate(numpy_iss_spl)):
left_ss_spl = (*numpy_iss_spl[:i], *numpy_iss_spl[i + 1:], ss)
linpath = '->'.join((','.join(left_ss_spl), numpy_oss))
plc = tuple(np.broadcast_to(np.nan, shapes[q]) for q in shapes.keys() if q!=k)
plc += (np.broadcast_to(np.nan, shapes[k]),)
linpath = np.einsum_path(linpath, *plc, optimize=optimize)[0]
self._linpaths[k] = linpath
self._sscr_endswith[k] = linpath
self._linpaths[k] = np.einsum_path(linpath, *plc, optimize=optimize)[0]
if isinstance(optimize, list):
path = optimize
else:
......@@ -151,7 +147,9 @@ class MultiLinearEinsum(Operator):
mf_wo_k,
ss,
key_order=tuple(plc.keys()),
optimize=self._linpaths[wrt]
optimize=self._linpaths[wrt],
_target = self._target,
_calling_as_lin = True
).ducktape(wrt)
jac = jac + jac_k if jac is not None else jac_k
return x.new(Field.from_raw(self.target, res), jac)
......@@ -180,67 +178,78 @@ class LinearEinsum(LinearOperator):
optimize: bool, String or List, optional
Parameter passed on to einsum_path.
"""
def __init__(self, domain, mf, subscripts, key_order=None, optimize='optimal'):
def __init__(self, domain, mf, subscripts, key_order=None, optimize='optimal',
_target=None, _calling_as_lin=False):
self._domain = DomainTuple.make(domain)
self._mf = mf
if key_order is None:
self._key_order = tuple(self._mf.domain.keys())
if _calling_as_lin:
self._init2(mf, subscripts, key_order, optimize, _target)
else:
self._key_order = key_order
self._ein_kw = {"optimize": optimize}
iss, oss, *rest = subscripts.split("->")
iss_spl = iss.split(",")
sscr_consist = all(o in iss for o in oss)
len_consist = len(self._key_order) == len(iss_spl[:-1])
if rest or not sscr_consist or "," in oss or not len_consist:
raise ValueError(f"invalid subscripts specified; got {subscripts}")
ve = f"invalid order of keys {self._key_order} for subscripts {subscripts}"
shapes, numpy_subscripts, subscriptmap = (),'',{}
alphabet = list(string.ascii_lowercase)
for k, ss in zip(self._key_order, iss_spl[:-1]):
dom = self._mf[k].domain
if len(dom) != len(ss):
self._mf = mf
if key_order is None:
_key_order = tuple(self._mf.domain.keys())
else:
_key_order = key_order
self._ein_kw = {"optimize": optimize}
iss, oss, *rest = subscripts.split("->")
iss_spl = iss.split(",")
sscr_consist = all(o in iss for o in oss)
len_consist = len(_key_order) == len(iss_spl[:-1])
if rest or not sscr_consist or "," in oss or not len_consist:
raise ValueError(f"invalid subscripts specified; got {subscripts}")
ve = f"invalid order of keys {_key_order} for subscripts {subscripts}"
shapes, numpy_subscripts, subscriptmap = (),'',{}
alphabet = list(string.ascii_lowercase)
for k, ss in zip(_key_order, iss_spl[:-1]):
dom = self._mf[k].domain
if len(dom) != len(ss):
raise ValueError(ve)
for i, a in enumerate(list(ss)):
if a not in subscriptmap.keys():
subscriptmap[a] = [alphabet.pop() for _ in
range(len(dom[i].shape))]
numpy_subscripts += ''.join(subscriptmap[a])
numpy_subscripts += ','
shapes +=(dom.shape,)
if len(self._domain) != len(iss_spl[-1]):
raise ValueError(ve)
for i, a in enumerate(list(ss)):
for i, a in enumerate(list(iss_spl[-1])):
if a not in subscriptmap.keys():
subscriptmap[a] = [alphabet.pop() for _ in
range(len(dom[i].shape))]
range(len(self._domain[i].shape))]
numpy_subscripts += ''.join(subscriptmap[a])
numpy_subscripts += ','
shapes +=(dom.shape,)
if len(self._domain) != len(iss_spl[-1]):
raise ValueError(ve)
for i, a in enumerate(list(iss_spl[-1])):
if a not in subscriptmap.keys():
subscriptmap[a] = [alphabet.pop() for _ in
range(len(self._domain[i].shape))]
numpy_subscripts += ''.join(subscriptmap[a])
shapes += (self._domain.shape,)
numpy_subscripts += '->'
dom_sscr = dict(zip(self._key_order, iss_spl[:-1]))
dom_sscr[id(self)] = iss_spl[-1]
tgt = []
for o in oss:
k_hit = tuple(k for k, sscr in dom_sscr.items() if o in sscr)[0]
dom_k_idx = dom_sscr[k_hit].index(o)
if k_hit in self._key_order:
tgt += [self._mf.domain[k_hit][dom_k_idx]]
shapes += (self._domain.shape,)
numpy_subscripts += '->'
dom_sscr = dict(zip(_key_order, iss_spl[:-1]))
dom_sscr[id(self)] = iss_spl[-1]
tgt = []
for o in oss:
k_hit = tuple(k for k, sscr in dom_sscr.items() if o in sscr)[0]
dom_k_idx = dom_sscr[k_hit].index(o)
if k_hit in _key_order:
tgt += [self._mf.domain[k_hit][dom_k_idx]]
else:
assert k_hit == id(self)
tgt += [self._domain[dom_k_idx]]
numpy_subscripts += "".join(subscriptmap[o])
_target = DomainTuple.make(tgt)
self._sscr = numpy_subscripts
if isinstance(optimize, list):
path = optimize
else:
assert k_hit == id(self)
tgt += [self._domain[dom_k_idx]]
numpy_subscripts += "".join(subscriptmap[o])
self._target = DomainTuple.make(tgt)
self._sscr = numpy_subscripts
if isinstance(optimize, list):
path = optimize
else:
plc = (np.broadcast_to(np.nan, shp) for shp in shapes)
path = np.einsum_path(numpy_subscripts, *plc, optimize=optimize)[0]
self._ein_kw = {"optimize": path}
plc = (np.broadcast_to(np.nan, shp) for shp in shapes)
path = np.einsum_path(numpy_subscripts, *plc, optimize=optimize)[0]
self._init2(mf, numpy_subscripts, _key_order, path, _target)
iss, oss, *_ = numpy_subscripts.split("->")
def _init2(self, mf, subscripts, keyorder, optimize, target):
self._ein_kw = {"optimize": optimize}
self._mf = mf
self._sscr = subscripts
self._key_order = keyorder
self._target = target
iss, oss, *_ = subscripts.split("->")
iss_spl = iss.split(",")
adj_iss = ",".join((",".join(iss_spl[:-1]), oss))
......
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