Add benchmark test for parameter.add_data comparison

tests/data/test_benchmark_optimization_parameter.py

@@ -0,0 +1,42 @@
+"""These tests just benchmark pandas and in-DB-json editing for comparison."""
+
+import ixmp4
+
+from ..fixtures import BigOptimizationDataset
+
+
+class TestOptimizationParameter:
+    data = BigOptimizationDataset()
+    parameter_id: int
+
+    def test_add_data(self, platform: ixmp4.Platform, profiled, benchmark):
+        """Benchmarks add_data using a large parameter."""
+
+        def setup():
+            self.data.load_units(platform)
+            self.data.load_indexsets(platform)
+            self.parameter_id = self.data.load_parameter(platform)
+            return (platform,), {}
+
+        def run(mp):
+            with profiled():
+                self.data.insert_parameter_data(mp, self.parameter_id)
+                self.data.upsert_parameter_data(mp, self.parameter_id)
+
+        benchmark.pedantic(run, setup=setup)
+
+    def test_add_data_json(self, platform: ixmp4.Platform, profiled, benchmark):
+        """Benchmarks add_data_json using a large parameter."""
+
+        def setup():
+            self.data.load_units(platform)
+            self.data.load_indexsets(platform)
+            self.parameter_id = self.data.load_parameter(platform)
+            return (platform,), {}
+
+        def run(mp):
+            with profiled():
+                self.data.insert_parameter_data_json(mp, self.parameter_id)
+                self.data.upsert_parameter_data_json(mp, self.parameter_id)
+
+        benchmark.pedantic(run, setup=setup)