Parallelize template rendering

lib/mix/tasks/pleroma/benchmark.ex

@@ -37,17 +37,37 @@ defmodule Mix.Tasks.Pleroma.Benchmark do
       |> Map.put("blocking_user", user)
       |> Map.put("muting_user", user)
       |> Map.put("user", user)
+      |> Map.put("limit", 80)
       |> Pleroma.Web.ActivityPub.ActivityPub.fetch_public_activities()
       |> Enum.reverse()
 
-    Benchee.run(%{
-      "render_timeline" => fn ->
-        Pleroma.Web.MastodonAPI.StatusView.render("index.json", %{
-          activities: activities,
-          for: user,
-          as: :activity
-        })
-      end
-    })
+    inputs = %{
+      "One activity" => Enum.take_random(activities, 1),
+      "Ten activities" => Enum.take_random(activities, 10),
+      "Twenty activities" => Enum.take_random(activities, 20),
+      "Forty activities" => Enum.take_random(activities, 40),
+      "Eighty activities" => Enum.take_random(activities, 80)
+    }
+
+    Benchee.run(
+      %{
+        "Parallel rendering" => fn activities ->
+          Pleroma.Web.MastodonAPI.StatusView.render("index.json", %{
+            activities: activities,
+            for: user,
+            as: :activity
+          })
+        end,
+        "Standart rendering" => fn activities ->
+          Pleroma.Web.MastodonAPI.StatusView.render("index.json", %{
+            activities: activities,
+            for: user,
+            as: :activity,
+            parallel: false
+          })
+        end
+      },
+      inputs: inputs
+    )
   end
 end