From 891725dd548afd004a397307cc36b5d271aaa2e2 Mon Sep 17 00:00:00 2001
From: Lindsey Gray <Lindsey.Gray@cern.ch>
Date: Tue, 5 Feb 2019 15:01:03 -0600
Subject: [PATCH 1/3] modifications to speed up recurse

---
 awkward/array/jagged.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/awkward/array/jagged.py b/awkward/array/jagged.py
index fd334209..d31fd6c3 100644
--- a/awkward/array/jagged.py
+++ b/awkward/array/jagged.py
@@ -879,7 +879,10 @@ def __array_ufunc__(self, ufunc, method, *inputs, **kwargs):
 
                 if parents is None:
                     parents = jaggedarray.parents
-                    good = (parents >= 0)
+                    if self._canuseoffset and len(jaggedarray.starts) > 0 and jaggedarray.starts[0] == 0:
+                        good = None
+                    else:
+                        good = (parents >= 0)
 
                 def recurse(x):
                     if isinstance(x, awkward.array.objects.ObjectArray):
@@ -891,6 +894,13 @@ def recurse(x):
                             content[n] = recurse(x[n])
                         return content
 
+                    elif good is None:
+                        if len(x.shape) == 0:
+                            content = self.numpy.full(len(parents), x, dtype=x.dtype)
+                        else:
+                            content = x[parents]
+                        return content
+
                     else:
                         content = self.numpy.empty(len(parents), dtype=x.dtype)
                         if len(x.shape) == 0:

From be7f9e5586bcee991f45947bc909698aa2ee182f Mon Sep 17 00:00:00 2001
From: Jim Pivarski <jpivarski@gmail.com>
Date: Tue, 5 Feb 2019 15:23:29 -0600
Subject: [PATCH 2/3] fixed _canuseoffset()

---
 awkward/array/jagged.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/awkward/array/jagged.py b/awkward/array/jagged.py
index d31fd6c3..d23b3e34 100644
--- a/awkward/array/jagged.py
+++ b/awkward/array/jagged.py
@@ -879,7 +879,7 @@ def __array_ufunc__(self, ufunc, method, *inputs, **kwargs):
 
                 if parents is None:
                     parents = jaggedarray.parents
-                    if self._canuseoffset and len(jaggedarray.starts) > 0 and jaggedarray.starts[0] == 0:
+                    if self._canuseoffset() and len(jaggedarray.starts) > 0 and jaggedarray.starts[0] == 0:
                         good = None
                     else:
                         good = (parents >= 0)

From cc5f8954c376d464028f56f98b629d10f58ced90 Mon Sep 17 00:00:00 2001
From: Jim Pivarski <jpivarski@gmail.com>
Date: Tue, 5 Feb 2019 15:33:51 -0600
Subject: [PATCH 3/3] forgot to bump version number

---
 awkward/version.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/awkward/version.py b/awkward/version.py
index c2531635..6ec4af9c 100644
--- a/awkward/version.py
+++ b/awkward/version.py
@@ -30,7 +30,7 @@
 
 import re
 
-__version__ = "0.8.2"
+__version__ = "0.8.3"
 version = __version__
 version_info = tuple(re.split(r"[-\.]", __version__))