[clblas] 14/61: replacing barrier with memfence in the inner most loop requires an extra barrier at the beginning of the outer loop.

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch master
in repository clblas.

commit fda48a7028411d4f6db3102b9aba85fb4b5e68f5
Author: Timmy <timmy.liu at amd.com>
Date:   Sun Apr 19 03:03:28 2015 -0500

    replacing barrier with memfence in the inner most loop requires an extra barrier at the beginning of the outer loop.
---
 src/library/blas/gens/clTemplates/sgemm_gcn_SmallMatrices.cl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/library/blas/gens/clTemplates/sgemm_gcn_SmallMatrices.cl b/src/library/blas/gens/clTemplates/sgemm_gcn_SmallMatrices.cl
index 73d9dc3..9999282 100644
--- a/src/library/blas/gens/clTemplates/sgemm_gcn_SmallMatrices.cl
+++ b/src/library/blas/gens/clTemplates/sgemm_gcn_SmallMatrices.cl
@@ -284,7 +284,8 @@ __kernel void sgemm_NT_32_32_16_16x16_2x2__ALPHABETA_BRANCH( __global float cons
 	{
         __local float* plA = lA + idy*33+idx;
         __local float* plB = lB + idy*33+idx;
-
+        barrier(CLK_LOCAL_MEM_FENCE);
+		
         plB[0]  = CurrentOffSetB>=N?0.0:B[0];
         plB[16] = CurrentOffSetB+16>=N?0.0:B[16];
 	   

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