From: ira.weiny@intel.com
To: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org
Cc: linux-rdma@vger.kernel.org, dennis.dalessandro@intel.com,
Ignacio Hernandez <ignacio.hernandez@intel.com>,
dledford@redhat.com
Subject: [PATCH v3 16/23] staging/rdma/hfi1: Increase SDMA descriptor queue size
Date: Mon, 26 Oct 2015 10:28:42 -0400 [thread overview]
Message-ID: <1445869729-7507-17-git-send-email-ira.weiny@intel.com> (raw)
In-Reply-To: <1445869729-7507-1-git-send-email-ira.weiny@intel.com>
From: Ignacio Hernandez <ignacio.hernandez@intel.com>
A value of 2048 increased PSM performance while not impacting verbs
performance.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Ignacio Hernandez <ignacio.hernandez@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
drivers/staging/rdma/hfi1/sdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/rdma/hfi1/sdma.c b/drivers/staging/rdma/hfi1/sdma.c
index 77800df1d3b8..a82588200bdb 100644
--- a/drivers/staging/rdma/hfi1/sdma.c
+++ b/drivers/staging/rdma/hfi1/sdma.c
@@ -65,7 +65,7 @@
#include "trace.h"
/* must be a power of 2 >= 64 <= 32768 */
-#define SDMA_DESCQ_CNT 1024
+#define SDMA_DESCQ_CNT 2048
#define SDMA_DESC_INTR 64
#define INVALID_TAIL 0xffff
--
1.8.2
next prev parent reply other threads:[~2015-10-26 14:28 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-26 14:28 [PATCH v3 00/23] staging/rdma/hfi1: Fix bugs and performance issues ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 02/23] staging/rdma/hfi1: Fix code to reset ASIC CSRs on FLR ira.weiny
[not found] ` <1445869729-7507-1-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-10-26 14:28 ` [PATCH v3 01/23] staging/rdma/hfi1: Fix regression in send performance ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 03/23] staging/rdma/hfi1: Extend the offline timeout ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 07/23] staging/rdma/hfi1: close shared context security hole ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 09/23] staging/rdma/hfi1: Add a schedule in send thread ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 12/23] staging/rdma/hfi1: Macro code clean up ira.weiny-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1445869729-7507-13-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-10-27 8:19 ` Greg KH
[not found] ` <20151027081910.GA25171-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-10-27 20:51 ` ira.weiny
[not found] ` <20151027205115.GB32118-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-10-27 21:14 ` Greg KH
[not found] ` <20151027211404.GA18879-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-10-28 15:47 ` ira.weiny
2015-10-26 14:28 ` [PATCH v3 13/23] staging/rdma/hfi1: Wrong cast breaks desired pointer arithmetic ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 15/23] staging/rdma/hfi1: Allow tuning of SDMA interrupt rate ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 18/23] staging/rdma/hfi1: Thread the receive interrupt ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 19/23] staging/rdma/hfi: modify workqueue for parallelism ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-27 8:44 ` Greg KH
2015-10-26 14:28 ` [PATCH v3 20/23] staging/rdma/hfi1: Load SBus firmware once per ASIC ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 21/23] staging/rdma/hfi1: Add unit # to verbs txreq cache name ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 22/23] staging/rdma/hfi1: add additional rc traces ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-10-26 14:28 ` [PATCH v3 23/23] staging/rdma/hfi1: Update driver version string to 0.9-294 ira.weiny-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1445869729-7507-24-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-10-27 8:46 ` Greg KH
[not found] ` <20151027084641.GA16795-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-10-27 21:00 ` ira.weiny
2015-10-27 21:15 ` Greg KH
2015-10-26 14:28 ` [PATCH v3 04/23] staging/rdma/hfi1: Prevent host software lock up ira.weiny
2015-10-26 14:28 ` [PATCH v3 05/23] staging/rdma/hfi1: Remove QSFP_ENABLED from HFI capability mask ira.weiny
2015-10-26 14:28 ` [PATCH v3 06/23] staging/rdma/hfi1: Add coalescing support for SDMA TX descriptors ira.weiny
2015-10-26 14:28 ` [PATCH v3 08/23] staging/rdma/hfi1: Reset firmware instead of reloading Sbus ira.weiny
2015-10-26 14:28 ` [PATCH v3 10/23] staging/rdma/hfi1: Fix port bounce issues with 0.22 DC firmware ira.weiny
2015-10-26 14:28 ` [PATCH v3 11/23] staging/rdma/hfi1: Prevent silent data corruption with user SDMA ira.weiny
2015-10-26 14:28 ` [PATCH v3 14/23] staging/rdma/hfi1: Implement Expected Receive TID caching ira.weiny
2015-10-27 8:22 ` Greg KH
2015-10-26 14:28 ` ira.weiny [this message]
2015-10-26 14:28 ` [PATCH v3 17/23] staging/rdma/hfi1: Add irqsaves in the packet processing path ira.weiny
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