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List:       linux-rdma
Subject:    [PATCH] dapl-2.0:  common: reduce default max inline data size
From:       "Davis, Arlin R" <arlin.r.davis () intel ! com>
Date:       2011-01-21 2:50:36
Message-ID: E3280858FA94444CA49D2BA02341C983011F5526C0 () orsmsx506 ! amr ! corp ! intel ! com
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Increasing max inline causes small message rates to decrease from
4M/sec when set to 64 to about 1M/sec when set to 400. This has
been observed on latest mlx4 adapters using ib_write_bw test.
Set default to 64 until resolved.

Signed-off-by: Arlin Davis <arlin.r.davis@intel.com>
---
 dapl/openib_common/dapl_ib_common.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dapl/openib_common/dapl_ib_common.h b/dapl/openib_common/dapl_ib_common.h
index 78f71d2..1b7670e 100644
--- a/dapl/openib_common/dapl_ib_common.h
+++ b/dapl/openib_common/dapl_ib_common.h
@@ -151,7 +151,7 @@ typedef uint16_t		ib_hca_port_t;
 
 /* inline send rdma threshold */
 #define	INLINE_SEND_IWARP_DEFAULT	64
-#define	INLINE_SEND_IB_DEFAULT		400
+#define	INLINE_SEND_IB_DEFAULT		64
 
 /* qkey for UD QP's */
 #define DAT_UD_QKEY	0x78654321
-- 
1.7.3



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