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[GOOGLE] Reduce max-vartrack-size

Message ID CAAe5K+VQY92+qOsyXW2Gp=A2a4MTMHOWTA44HFJwtqSUwL1iCg@mail.gmail.com
State New
Headers show

Commit Message

Teresa Johnson Oct. 13, 2015, 8:54 p.m. UTC 
Reduce the maximum variable tracking size by 20% to avoid extreme
compilation times.

Ok for google-4_9?

2015-10-13  Teresa Johnson  <tejohnson@google.com>

Google ref b/24569916
* params.def (PARAM_MAX_VARTRACK_SIZE): Reduce default to 40M.
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Patch

Index: params.def
===================================================================
--- params.def (revision 228063)
+++ params.def (working copy)
@@ -1160,7 +1160,7 @@  DEFPARAM (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO,
 DEFPARAM (PARAM_MAX_VARTRACK_SIZE,
   "max-vartrack-size",
   "Max. size of var tracking hash tables",
-  50000000, 0, 0)
+  40000000, 0, 0)

 /* Set maximum recursion depth for var tracking expression expansion
    and resolution.  */