并行化支持完善

src/qibotn/backends/quimb.py

@@ -438,6 +438,7 @@ def _expectation_parallel(self, circuit, observable, method, opts):
     search_workers = opts.get('search_workers', 48)
     mpi_contract = opts.get('mpi_contract', False)
     torch_threads = opts.get('torch_threads', None)
+    slicing_opts = opts.get('slicing_opts', None)
 
     qc = self._qibo_circuit_to_quimb(
         circuit,
@@ -469,7 +470,8 @@ def _expectation_parallel(self, circuit, observable, method, opts):
             method=method,
             total_repeats=max_repeats,
             max_time=max_time,
-            n_workers=search_workers
+            n_workers=search_workers,
+            slicing_opts=slicing_opts,
         )
 
         if tree is None: