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Batch Region ack messages

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Reduce CPU utilization by batching release ack messages on the IPC queue.
This commit is contained in:
Gvozden Neskovic
2019-04-30 10:13:24 +02:00
committed by Dennis Klein
parent 9b326c7a71
commit 2ed2177555
5 changed files with 118 additions and 67 deletions
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16
fairmq/shmem/Manager.cxx
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@@ -19,7 +19,7 @@ namespace mq
namespace shmem
{
std::unordered_map<uint64_t, Region> Manager::fRegions;
std::unordered_map<uint64_t, std::unique_ptr<Region>> Manager::fRegions;
Manager::Manager(const string& name, size_t size)
: fSessionName(name)
@@ -43,7 +43,7 @@ void Manager::Resume()
// close remote regions before processing new transfers
for (auto it = fRegions.begin(); it != fRegions.end(); /**/)
{
if (it->second.fRemote)
if (it->second->fRemote)
{
it = fRegions.erase(it);
}
@@ -64,11 +64,11 @@ bipc::mapped_region* Manager::CreateRegion(const size_t size, const uint64_t id,
}
else
{
auto r = fRegions.emplace(id, Region{*this, id, size, false, callback});
auto r = fRegions.emplace(id, fair::mq::tools::make_unique<Region>(*this, id, size, false, callback));
r.first->second.StartReceivingAcks();
r.first->second->StartReceivingAcks();
return &(r.first->second.fRegion);
return &(r.first->second->fRegion);
}
}
@@ -78,14 +78,14 @@ Region* Manager::GetRemoteRegion(const uint64_t id)
auto it = fRegions.find(id);
if (it != fRegions.end())
{
return &(it->second);
return it->second.get();
}
else
{
try
{
auto r = fRegions.emplace(id, Region{*this, id, 0, true, nullptr});
return &(r.first->second);
auto r = fRegions.emplace(id, fair::mq::tools::make_unique<Region>(*this, id, 0, true, nullptr));
return r.first->second.get();
}
catch (bipc::interprocess_exception& e)
{