Move delay gate to custom instructions (Qiskit#2153)

doichanj · May 30, 2024 · f7c2570 · f7c2570
1 parent c318803
commit f7c2570
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Showing 3 changed files with 14 additions and 8 deletions.
diff --git a/qiskit_aer/backends/aer_simulator.py b/qiskit_aer/backends/aer_simulator.py
@@ -525,6 +525,7 @@ class AerSimulator(AerBackend):
                 "continue_loop",
                 "reset",
                 "switch_case",
+                "delay",
             ]
         ),
         "density_matrix": sorted(
@@ -549,6 +550,7 @@ class AerSimulator(AerBackend):
                 "continue_loop",
                 "reset",
                 "switch_case",
+                "delay",
             ]
         ),
         "matrix_product_state": sorted(
@@ -575,6 +577,7 @@ class AerSimulator(AerBackend):
                 "continue_loop",
                 "reset",
                 "switch_case",
+                "delay",
             ]
         ),
         "stabilizer": sorted(
@@ -598,6 +601,7 @@ class AerSimulator(AerBackend):
                 "continue_loop",
                 "reset",
                 "switch_case",
+                "delay",
             ]
         ),
         "extended_stabilizer": sorted(
@@ -607,6 +611,7 @@ class AerSimulator(AerBackend):
                 "roerror",
                 "save_statevector",
                 "reset",
+                "delay",
             ]
         ),
         "unitary": sorted(
@@ -615,6 +620,7 @@ class AerSimulator(AerBackend):
                 "save_unitary",
                 "set_unitary",
                 "reset",
+                "delay",
             ]
         ),
         "superop": sorted(
@@ -627,6 +633,7 @@ class AerSimulator(AerBackend):
                 "save_superop",
                 "set_superop",
                 "reset",
+                "delay",
             ]
         ),
         "tensor_network": sorted(
@@ -650,6 +657,7 @@ class AerSimulator(AerBackend):
                 "set_density_matrix",
                 "reset",
                 "switch_case",
+                "delay",
             ]
         ),
     }

diff --git a/qiskit_aer/backends/backend_utils.py b/qiskit_aer/backends/backend_utils.py
@@ -114,7 +114,6 @@
             "diagonal",
             "multiplexer",
             "initialize",
-            "delay",
             "pauli",
             "mcx_gray",
             "ecr",
@@ -155,7 +154,6 @@
             "ccx",
             "unitary",
             "diagonal",
-            "delay",
             "pauli",
             "ecr",
         ]
@@ -186,7 +184,6 @@
             "ccx",
             "unitary",
             "roerror",
-            "delay",
             "pauli",
             "r",
             "rx",
@@ -218,7 +215,6 @@
             "cy",
             "cz",
             "swap",
-            "delay",
             "pauli",
             "ecr",
             "rz",
@@ -245,7 +241,6 @@
             "p",
             "ccx",
             "ccz",
-            "delay",
             "pauli",
             "ecr",
             "rz",
@@ -311,7 +306,6 @@
             "unitary",
             "diagonal",
             "multiplexer",
-            "delay",
             "pauli",
             "ecr",
         ]
@@ -351,7 +345,6 @@
             "ccx",
             "unitary",
             "diagonal",
-            "delay",
             "pauli",
         ]
     ),
@@ -416,7 +409,6 @@
             "diagonal",
             "multiplexer",
             "initialize",
-            "delay",
             "pauli",
             "mcx_gray",
             "ecr",

diff --git a/releasenotes/notes/add_delay_custom_instructions-e1bf80ec3598bfd1.yaml b/releasenotes/notes/add_delay_custom_instructions-e1bf80ec3598bfd1.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Add/move `delay` gate to default custom instructions for `AerSimulator.configulation`
+    to resolve error reported in issue #2152, `delay` was not in `basis_gates`
+    when AerSimulator is made by `from_backend`