From 174ecc8b81ba24eb45795fbae18356c8773e582a Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@aei.mpg.de>
Date: Wed, 24 Nov 2004 23:51:00 +0000
Subject: CarpetLib: Implement using MPI_Waitall for communicating

Add a parameter CarpetLib::use_waitall that switches from using a
series of MPI_Wait statements to using a single MPI_Waitall
statement.  This might improve performance on many processors.

darcs-hash:20041124235118-891bb-034efea054db236a187022b1858e4574da867fa3.gz
---
 Carpet/CarpetLib/param.ccl | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Carpet/CarpetLib/param.ccl')

diff --git a/Carpet/CarpetLib/param.ccl b/Carpet/CarpetLib/param.ccl
index 47255091f..eb5929c15 100644
--- a/Carpet/CarpetLib/param.ccl
+++ b/Carpet/CarpetLib/param.ccl
@@ -22,3 +22,7 @@ BOOLEAN output_bboxes "Output bounding box information to the screen" STEERABLE=
 BOOLEAN save_memory_during_regridding "Save some memory during regridding at the expense of speed"
 {
 } "no"
+
+BOOLEAN use_waitall "Use MPI_Waitall instead many MPI_Wait statements"
+{
+} "no"
-- 
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