Benchmark improvements

* CI: Clean offline; display cleaned bytes; one artifact upload
* Add missing csv bench to iai benchmarks
* Generate flamegraphs for benchmarks
* Validate benchmark results separately

.github/workflows/ci.yml

@@ -161,21 +161,19 @@ jobs:
           fail_on: nothing
           comment_mode: off
 
-      - run: cargo build --bench run_iai --release
+      - run: cargo build --all-targets --release
+      - run: cargo test --bench setup --release
       - run: cargo bench --bench run_iai
       - run: cargo bench --bench run_criterion
+      - run: cargo bench --bench run_criterion -- --profile-time 60
 
-      - name: Publish criterion benchmark results
+      - name: Publish benchmark results
         uses: actions/upload-artifact@v3
         with:
-          name: bench-criterion-results
-          path: target/criterion/**/*
-
-      - name: Publish iai benchmark results
-        uses: actions/upload-artifact@v3
-        with:
-          name: bench-iai-results
-          path: target/iai/scryer-prolog/run_iai/bench_group/*
+          name: benchmark-results
+          path: |
+            target/criterion/*
+            target/iai/*
 
   # Publish binaries when building for a tag
   release: