From a6d6a9e64790b4e94dfcc35105e16460c3500dac Mon Sep 17 00:00:00 2001
From: Jan David Mol <mol@astron.nl>
Date: Tue, 25 Nov 2014 09:37:11 +0000
Subject: [PATCH] Task #6760: Use SCHED_SPIN and non-RT sync again
---
RTCP/Cobalt/GPUProc/src/cuda/SubbandProcs/SubbandProc.cc | 2 +-
RTCP/Cobalt/GPUProc/src/cuda/gpu_wrapper.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/RTCP/Cobalt/GPUProc/src/cuda/SubbandProcs/SubbandProc.cc b/RTCP/Cobalt/GPUProc/src/cuda/SubbandProcs/SubbandProc.cc
index 6f33de85b0c..300cd256401 100644
--- a/RTCP/Cobalt/GPUProc/src/cuda/SubbandProcs/SubbandProc.cc
+++ b/RTCP/Cobalt/GPUProc/src/cuda/SubbandProcs/SubbandProc.cc
@@ -227,7 +227,7 @@ namespace LOFAR
{
// If we delay the reception of the DONE signal from the GPU,
// we can't schedule the next batch of work in time.
- Thread::ScopedPriority sp(SCHED_RR, 10);
+ //Thread::ScopedPriority sp(SCHED_RR, 10);
queue.synchronize();
}
diff --git a/RTCP/Cobalt/GPUProc/src/cuda/gpu_wrapper.h b/RTCP/Cobalt/GPUProc/src/cuda/gpu_wrapper.h
index 30fb1b0eadb..831a5e05993 100644
--- a/RTCP/Cobalt/GPUProc/src/cuda/gpu_wrapper.h
+++ b/RTCP/Cobalt/GPUProc/src/cuda/gpu_wrapper.h
@@ -235,7 +235,7 @@ namespace LOFAR
// CU_CTX_SCHED_BLOCKING_SYNC:
// Instruct CUDA to block the CPU thread on a synchronization primitive
// when waiting for the GPU to finish work.
- Context(const Device &device, unsigned int flags = CU_CTX_SCHED_SPIN);
+ Context(const Device &device, unsigned int flags = CU_CTX_SCHED_YIELD);
// Returns the device associated to this context.
Device getDevice() const;
--
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