[Python-checkins] cpython: Harmonize the bottom of the outer loop with its entry point
raymond.hettinger
python-checkins at python.org
Sun Jun 21 19:47:28 CEST 2015
https://hg.python.org/cpython/rev/50bfb0899095
changeset: 96637:50bfb0899095
user: Raymond Hettinger <python at rcn.com>
date: Sun Jun 21 10:47:20 2015 -0700
summary:
Harmonize the bottom of the outer loop with its entry point
giving a small simplification. Timings show that hash
pre-check seems only benefit the inner-loop (the linear probes).
files:
Objects/setobject.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Objects/setobject.c b/Objects/setobject.c
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -118,7 +118,7 @@
i = (i * 5 + 1 + perturb) & mask;
entry = &table[i];
- if (entry->hash == 0 && entry->key == NULL)
+ if (entry->key == NULL)
return entry;
}
}
@@ -206,7 +206,7 @@
i = (i * 5 + 1 + perturb) & mask;
entry = &table[i];
- if (entry->hash == 0 && entry->key == NULL)
+ if (entry->key == NULL)
goto found_null;
}
--
Repository URL: https://hg.python.org/cpython
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