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Update the cuTensor version and fix state retrieval logic for tensornet #2353

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merged 2 commits into from
Nov 5, 2024
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Update the cuTensor version and fix state retrieval logic for tensornet #2353

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c3eb283
* Update the cuTensor version
khalatepradnya Nov 4, 2024
ce5cc3a
* Fix for qudit / qubit check in state retrieval
khalatepradnya Nov 4, 2024
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4 changes: 3 additions & 1 deletion runtime/cudaq/qis/state.cpp
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Expand Up @@ -62,7 +62,9 @@ std::complex<double> state::operator[](std::size_t idx) const {
// network state.
std::vector<int> basisState(numQubits, 0);
// Are we dealing with qudits or qubits?
if (std::log2(numElements) / numQubits > 1) {
/// NOTE: Following check makes assumption that only qubit simulation uses
/// GPU(s)
if (!internal->isDeviceData() && std::log2(numElements) / numQubits > 1) {
for (std::size_t i = 0; i < numQubits; ++i) {
basisState[i] = 1; // TODO: This is a placeholder. We need to figure out
// how to handle qudits.
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2 changes: 1 addition & 1 deletion scripts/configure_build.sh
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Expand Up @@ -79,7 +79,7 @@ if [ "$1" == "install-cutensor" ]; then
CUDA_ARCH_FOLDER=$([ "$(uname -m)" == "aarch64" ] && echo sbsa || echo x86_64)

# [>cuTensorInstall]
CUTENSOR_VERSION=2.0.1.2
CUTENSOR_VERSION=2.0.2.5
CUTENSOR_DOWNLOAD_URL=https://developer.download.nvidia.com/compute/cutensor/redist/libcutensor

cutensor_archive=libcutensor-linux-${CUDA_ARCH_FOLDER}-${CUTENSOR_VERSION}-archive.tar.xz
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