fix: Filter inactive sequencers from execution

qiboteam · Feb 13, 2025 · 9cfc9b8 · 9cfc9b8
1 parent 294be90
commit 9cfc9b8
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/src/qibolab/_core/instruments/qblox/cluster.py b/src/qibolab/_core/instruments/qblox/cluster.py
@@ -148,16 +148,20 @@ def _configure(
             for idx, ((ch, address), sequencer) in enumerate(
                 zip(chs, module.sequencers)
             ):
-                sequencers[slot][ch] = idx
+                seq = sequences.get(ch, Q1Sequence.empty())
+                # configure all sequencers
                 config.sequencer(
                     sequencer,
                     address,
-                    sequences.get(ch, Q1Sequence.empty()),
+                    seq,
                     ch,
                     self.channels,
                     configs,
                     acquisition,
                 )
+                # only collect active sequencers
+                if not seq.is_empty:
+                    sequencers[slot][ch] = idx
 
         return sequencers
 

diff --git a/src/qibolab/_core/instruments/qblox/sequence/sequence.py b/src/qibolab/_core/instruments/qblox/sequence/sequence.py
@@ -110,6 +110,10 @@ def empty(cls):
             waveforms={}, weights={}, acquisitions={}, program=Program(elements=[])
         )
 
+    @property
+    def is_empty(self) -> bool:
+        return len(self.program.elements) == 0
+
     @property
     def integration_lengths(self) -> dict[MeasureId, Optional[int]]:
         """Determine the integration lengths fixed by weights.