mirror of https://github.com/Qiskit/qiskit-aer.git
Reverse ordering to read out error in sampling measure (#2003)
* reverse ordering of read out error in sampling measure * fix batch check --------- Co-authored-by: Hiroshi Horii <hhorii@users.noreply.github.com>
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@ -0,0 +1,7 @@
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---
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fixes:
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- |
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Fixes order of applying read out error in sampling measure
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in circuit executors. Ordering is reversed to fit to the older verison
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of Aer.
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Also fixed check of bacth execution.
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@ -150,7 +150,7 @@ template <class state_t>
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void BatchShotsExecutor<state_t>::run_circuit_with_sampling(
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Circuit &circ, const Config &config, RngEngine &init_rng,
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ResultItr result_it) {
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if (circ.num_bind_params == 1 || !enable_batch_multi_shots_) {
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if (!enable_batch_multi_shots_) {
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return Executor<state_t>::run_circuit_with_sampling(circ, config, init_rng,
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result_it);
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}
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@ -1073,7 +1073,7 @@ void Executor<state_t>::measure_sampler(InputIterator first_meas,
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uint_t num_registers =
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(register_map.empty()) ? 0ULL : 1 + register_map.rbegin()->first;
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ClassicalRegister creg;
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for (int_t i = 0; i < all_samples.size(); i++) {
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for (int_t i = all_samples.size() - 1; i >= 0; i--) {
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creg.initialize(num_memory, num_registers);
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// process memory bit measurements
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@ -863,7 +863,7 @@ void MultiStateExecutor<state_t>::measure_sampler(InputIterator first_meas,
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(memory_map.empty()) ? 0ULL : 1 + memory_map.rbegin()->first;
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uint_t num_registers =
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(register_map.empty()) ? 0ULL : 1 + register_map.rbegin()->first;
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for (int_t i = 0; i < all_samples.size(); i++) {
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for (int_t i = all_samples.size() - 1; i >= 0; i--) {
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ClassicalRegister creg = state.creg();
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// process memory bit measurements
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