From b98edda0719e382f38e68ecd76653c5de74aa283 Mon Sep 17 00:00:00 2001
From: "I-Jui (Ray) Sung" <ray@multicorewareinc.com>
Date: Wed, 20 Nov 2013 08:49:27 -0600
Subject: GPU Calc: re-enable parallel SUMIFS

Change-Id: I70797f089ead267d223772b73c4d093813716029
---
 sc/source/core/opencl/formulagroupcl.cxx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'sc')

diff --git a/sc/source/core/opencl/formulagroupcl.cxx b/sc/source/core/opencl/formulagroupcl.cxx
index 5d14ddddf233..2ddff7582373 100644
--- a/sc/source/core/opencl/formulagroupcl.cxx
+++ b/sc/source/core/opencl/formulagroupcl.cxx
@@ -434,7 +434,14 @@ public:
         bIsStartFixed = mpDVR->IsStartFixed();
         bIsEndFixed = mpDVR->IsEndFixed();
     }
-
+    // Should only be called by SumIfs. Yikes!
+    virtual bool NeedParallelReduction(void) const
+    {
+        assert(dynamic_cast<OpSumIfs*>(mpCodeGen.get()));
+        return GetWindowSize()> 100 &&
+            ( (GetStartFixed() && GetEndFixed()) ||
+              (!GetStartFixed() && !GetEndFixed())  ) ;
+    }
     virtual void GenSlidingWindowFunction(std::stringstream &) {}
 
     virtual std::string GenSlidingWindowDeclRef(bool=false) const
-- 
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