From e18fc8248caf0fa0b0ecd5280a02ba1e15b0451b Mon Sep 17 00:00:00 2001
From: Thien Nguyen <nguyentm@ornl.gov>
Date: Tue, 12 Oct 2021 09:15:54 -0400
Subject: [PATCH] Need to re-create a placeholder tensor in the self process
group after dereplicate
Signed-off-by: Thien Nguyen <nguyentm@ornl.gov>
---
tnqvm/visitors/exatn-mps/ExaTnMpsVisitor.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tnqvm/visitors/exatn-mps/ExaTnMpsVisitor.cpp b/tnqvm/visitors/exatn-mps/ExaTnMpsVisitor.cpp
index 50f5a36..8166a03 100644
--- a/tnqvm/visitors/exatn-mps/ExaTnMpsVisitor.cpp
+++ b/tnqvm/visitors/exatn-mps/ExaTnMpsVisitor.cpp
@@ -2110,9 +2110,14 @@ void ExatnMpsVisitor::applyTwoQubitGate(xacc::Instruction& in_gateInstruction)
const bool checkRank =
m_rightSharedProcessGroup->rankIsIn(m_rank + 1, &neighborRank);
assert(checkRank);
+ const auto tensorShape = exatn::getTensor(qubitTensorName)->getShape();
const bool dereplicateTensorOk = exatn::dereplicateTensorSync(
*m_rightSharedProcessGroup, qubitTensorName, neighborRank);
assert(dereplicateTensorOk);
+ auto recreated = exatn::createTensorSync(
+ *m_selfProcessGroup, qubitTensorName,
+ exatn::TensorElementType::COMPLEX64, tensorShape);
+ assert(recreated);
}
}
else if (indexInRange(qMax, m_qubitRange))
--
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