Author: Richard Plangger <[email protected]>
Branch: vecopt
Changeset: r78254:96394198b3ec
Date: 2015-06-23 10:47 +0200
http://bitbucket.org/pypy/pypy/changeset/96394198b3ec/
Log: timing the vecopt and printing it to the logfiles
diff --git a/rpython/jit/metainterp/optimizeopt/guard.py
b/rpython/jit/metainterp/optimizeopt/guard.py
--- a/rpython/jit/metainterp/optimizeopt/guard.py
+++ b/rpython/jit/metainterp/optimizeopt/guard.py
@@ -122,6 +122,7 @@
self.index_vars = index_vars
self._newoperations = []
self._same_as = {}
+ self.strength_reduced = 0 # how many guards could be removed?
def find_compare_guard_bool(self, boolarg, operations, index):
i = index - 1
@@ -211,6 +212,7 @@
guard = guards.get(i, None)
if not guard or guard.implied:
# this guard is implied or marked as not emitted (= None)
+ self.strength_reduced += 1
continue
if guard.stronger:
guard.emit_operations(self)
diff --git a/rpython/jit/metainterp/optimizeopt/vectorize.py
b/rpython/jit/metainterp/optimizeopt/vectorize.py
--- a/rpython/jit/metainterp/optimizeopt/vectorize.py
+++ b/rpython/jit/metainterp/optimizeopt/vectorize.py
@@ -60,10 +60,23 @@
debug_start("vec-opt-loop")
metainterp_sd.logger_noopt.log_loop(loop.inputargs, loop.operations,
-2, None, None, "pre vectorize")
metainterp_sd.profiler.count(Counters.OPT_VECTORIZE_TRY)
+ start = time.clock()
opt = VectorizingOptimizer(metainterp_sd, jitdriver_sd, loop,
cost_threshold)
opt.propagate_all_forward()
+ gso = GuardStrengthenOpt(opt.dependency_graph.index_vars)
+ gso.propagate_all_forward(opt.loop)
+ end = time.clock()
metainterp_sd.profiler.count(Counters.OPT_VECTORIZED)
metainterp_sd.logger_noopt.log_loop(loop.inputargs, loop.operations,
-2, None, None, "post vectorize")
+ debug_start("vec-opt-clock")
+ debug_print("unroll: %d gso count: %d opcount: (%d -> %d) took %fns" %
\
+ (opt.unroll_count+1,
+ gso.strength_reduced,
+ len(orig_ops),
+ len(loop.operations),
+ (end-start)*10.0**9))
+ debug_stop("vec-opt-clock")
+
except NotAVectorizeableLoop:
# vectorization is not possible
loop.operations = orig_ops
@@ -135,9 +148,6 @@
if not self.costmodel.profitable():
raise NotAProfitableLoop()
- gso = GuardStrengthenOpt(self.dependency_graph.index_vars)
- gso.propagate_all_forward(self.loop)
-
def emit_operation(self, op):
if op.getopnum() == rop.DEBUG_MERGE_POINT:
return
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