Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[SSC] Hide data transfer from application activities #2324

Merged
merged 5 commits into from
Jun 16, 2020
Merged

[SSC] Hide data transfer from application activities #2324

Changes from 1 commit
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
9a6b77e
moved MPI_Wait to BeginStep
JasonRuonanWang Jun 11, 2020
80fb8b7
moved MPI_Win_fence from EndStep to BeginStep
JasonRuonanWang Jun 11, 2020
dac2aae
one sided post push worked too
JasonRuonanWang Jun 11, 2020
ba786bb
one sided post pull mode also worked
JasonRuonanWang Jun 11, 2020
ecf78fb
overlap data transfer with application activities for SSC readers
JasonRuonanWang Jun 15, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
one sided post pull mode also worked
  • Loading branch information
@JasonRuonanWang
JasonRuonanWang committed Jun 16, 2020
commit ba786bb4d62b36bf0fbf362ef5b6153f8c8c6611
6 changes: 4 additions & 2 deletions source/adios2/engine/ssc/SscWriter.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ void SscWriter::PutOneSidedPostPull()
{
TAU_SCOPED_TIMER_FUNC();
MPI_Win_post(m_MpiAllReadersGroup, 0, m_MpiWin);
MPI_Win_wait(m_MpiWin);
m_NeedWait = true;
}

void SscWriter::PutOneSidedFencePull()
Expand Down Expand Up @@ -147,7 +147,8 @@ void SscWriter::EndStep()
SyncWritePattern();
MPI_Win_create(m_Buffer.data(), m_Buffer.size(), 1, MPI_INFO_NULL,
m_StreamComm, &m_MpiWin);
PutOneSidedPostPull();
MPI_Win_post(m_MpiAllReadersGroup, 0, m_MpiWin);
MPI_Win_wait(m_MpiWin);
MPI_Win_free(&m_MpiWin);
SyncReadPattern();
MPI_Win_create(m_Buffer.data(), m_Buffer.size(), 1, MPI_INFO_NULL,
Expand Down Expand Up @@ -206,6 +207,7 @@ void SscWriter::MpiWait()
}
else if (m_MpiMode == "onesidedpostpull")
{
MPI_Win_wait(m_MpiWin);
}
m_NeedWait = false;
}
Expand Down