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Alignment part I - Interface and shmem send

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This commit is contained in:
Alexey Rybalchenko
2020-05-19 20:52:21 +02:00
parent 20544e1f18
commit 53a4d17f8b
11 changed files with 161 additions and 7 deletions
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38
fairmq/shmem/Message.h
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@@ -47,6 +47,17 @@ class Message final : public fair::mq::Message
fManager.IncrementMsgCounter();
}
Message(Manager& manager, Alignment /* alignment */, FairMQTransportFactory* factory = nullptr)
: fair::mq::Message(factory)
, fManager(manager)
, fQueued(false)
, fMeta{0, 0, 0, -1}
, fRegionPtr(nullptr)
, fLocalPtr(nullptr)
{
fManager.IncrementMsgCounter();
}
Message(Manager& manager, const size_t size, FairMQTransportFactory* factory = nullptr)
: fair::mq::Message(factory)
, fManager(manager)
@@ -59,6 +70,18 @@ class Message final : public fair::mq::Message
fManager.IncrementMsgCounter();
}
Message(Manager& manager, const size_t size, Alignment alignment, FairMQTransportFactory* factory = nullptr)
: fair::mq::Message(factory)
, fManager(manager)
, fQueued(false)
, fMeta{0, 0, 0, -1}
, fRegionPtr(nullptr)
, fLocalPtr(nullptr)
{
InitializeChunk(size, static_cast<size_t>(alignment));
fManager.IncrementMsgCounter();
}
Message(Manager& manager, void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr, FairMQTransportFactory* factory = nullptr)
: fair::mq::Message(factory)
, fManager(manager)
@@ -219,19 +242,24 @@ class Message final : public fair::mq::Message
mutable Region* fRegionPtr;
mutable char* fLocalPtr;
bool InitializeChunk(const size_t size)
bool InitializeChunk(const size_t size, size_t alignment = 0)
{
tools::RateLimiter rateLimiter(20);
while (fMeta.fHandle < 0) {
try {
boost::interprocess::managed_shared_memory::size_type actualSize = size;
char* hint = 0; // unused for boost::interprocess::allocate_new
fLocalPtr = fManager.Segment().allocation_command<char>(boost::interprocess::allocate_new, size, actualSize, hint);
// boost::interprocess::managed_shared_memory::size_type actualSize = size;
// char* hint = 0; // unused for boost::interprocess::allocate_new
// fLocalPtr = fManager.Segment().allocation_command<char>(boost::interprocess::allocate_new, size, actualSize, hint);
if (alignment == 0) {
fLocalPtr = reinterpret_cast<char*>(fManager.Segment().allocate(size));
} else {
fLocalPtr = reinterpret_cast<char*>(fManager.Segment().allocate_aligned(size, alignment));
}
} catch (boost::interprocess::bad_alloc& ba) {
// LOG(warn) << "Shared memory full...";
if (fManager.ThrowingOnBadAlloc()) {
throw MessageBadAlloc(tools::ToString("shmem: could not create a message of size ", size));
throw MessageBadAlloc(tools::ToString("shmem: could not create a message of size ", size, ", alignment: ", (alignment != 0) ? std::to_string(alignment) : "default"));
}
rateLimiter.maybe_sleep();
if (fManager.Interrupted()) {