Author: Maciej Fijalkowski <[email protected]>
Branch: jit-threshold-hooks
Changeset: r66319:c83cf1418bc1
Date: 2013-08-26 16:01 +0100
http://bitbucket.org/pypy/pypy/changeset/c83cf1418bc1/
Log: (fijal, ltratt)
* implement simple checksum
* a small fix
diff --git a/pypy/module/pypyjit/interp_resop.py
b/pypy/module/pypyjit/interp_resop.py
--- a/pypy/module/pypyjit/interp_resop.py
+++ b/pypy/module/pypyjit/interp_resop.py
@@ -13,6 +13,7 @@
from rpython.rlib import jit_hooks
from rpython.rlib.jit import Counters
from rpython.rlib.objectmodel import compute_unique_id
+from rpython.rlib.rarithmetic import intmask
from pypy.module.pypyjit.interp_jit import pypyjitdriver
class Cache(object):
@@ -211,8 +212,8 @@
def get_threshold(self, space):
return space.wrap(jit_hooks.descr_getthreshold(self.lldescr))
- @unwrap_spec(v=int)
- def set_threshold(self, space, v):
+ def set_threshold(self, space, w_v):
+ v = space.int_w(w_v)
jit_hooks.descr_setthreshold(self.lldescr, v)
WrappedDescr.typedef = TypeDef("Descr",
@@ -292,6 +293,13 @@
bridge_no = 0
asmaddr = 0
asmlen = 0
+ checksum = 0
+
+ def _compute_checksum(self, ops):
+ s = 5381
+ for op in ops:
+ s = intmask(((s << 5) + s) + op.getopnum())
+ return s
def __init__(self, space, debug_info, is_bridge=False):
logops = debug_info.logger._make_log_operations()
@@ -301,6 +309,7 @@
ofs = {}
self.w_ops = space.newlist(
wrap_oplist(space, logops, debug_info.operations, ofs))
+ self.checksum = self._compute_checksum(debug_info.operations)
self.jd_name = debug_info.get_jitdriver().name
self.type = debug_info.type
@@ -368,6 +377,7 @@
doc="bridge number (if a bridge)"),
type = interp_attrproperty('type', cls=W_JitLoopInfo,
doc="Loop type"),
+ checksum = interp_attrproperty('checksum', cls=W_JitLoopInfo),
__repr__ = interp2app(W_JitLoopInfo.descr_repr),
)
W_JitLoopInfo.acceptable_as_base_class = False
diff --git a/pypy/module/pypyjit/test/test_jit_hook.py
b/pypy/module/pypyjit/test/test_jit_hook.py
--- a/pypy/module/pypyjit/test/test_jit_hook.py
+++ b/pypy/module/pypyjit/test/test_jit_hook.py
@@ -262,6 +262,7 @@
assert descr.threshold == 0
descr.threshold = 1
assert descr.threshold == 1
+ assert all[0].checksum == 6382428994
def test_get_stats_snapshot(self):
skip("a bit no idea how to test it")
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