Author: Hakan Ardo <[email protected]>
Branch: jit-short_from_state
Changeset: r46510:c137f92b5618
Date: 2011-08-15 10:25 +0200
http://bitbucket.org/pypy/pypy/changeset/c137f92b5618/
Log: make this threshold tuneable
diff --git a/pypy/jit/metainterp/optimizeopt/unroll.py
b/pypy/jit/metainterp/optimizeopt/unroll.py
--- a/pypy/jit/metainterp/optimizeopt/unroll.py
+++ b/pypy/jit/metainterp/optimizeopt/unroll.py
@@ -9,7 +9,7 @@
from pypy.jit.metainterp.resoperation import rop, ResOperation
from pypy.jit.metainterp.resume import Snapshot
from pypy.rlib.debug import debug_print
-import sys
+import sys, os
# FIXME: Introduce some VirtualOptimizer super class instead
@@ -214,7 +214,12 @@
loop.preamble.operations.append(jmp)
loop.operations = self.optimizer.newoperations
- if self.optimizer.emitted_guards > 100:
+ maxguards_str = os.environ.get('PYPY_MAX_RETRACE_GUARDS')
+ if maxguards_str:
+ maxguards = int(maxguards_str)
+ else:
+ maxguards = 100
+ if self.optimizer.emitted_guards > maxguards:
loop.preamble.token.retraced_count = sys.maxint
if short:
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