Print YJIT compile time in results

How fast YJIT compile is a very important performance characteristic, we should keep an eye on it.
Shopify · Aug 29, 2024 · 92b33c3 · 92b33c3
1 parent 59b7f86
commit 92b33c3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/harness/harness-common.rb b/harness/harness-common.rb
@@ -107,6 +107,9 @@ def return_results(warmup_iterations, bench_iterations)
     puts "outlined_code_size: #{formatted_stats[:outlined_code_size]}"
     puts "code_region_size:   #{formatted_stats[:code_region_size]}"
     puts "yjit_alloc_size:    #{formatted_stats[:yjit_alloc_size]}"
+    if yjit_stats.key?(:compile_time_ns)
+      puts "yjit_compile_time:  #{(yjit_stats[:compile_time_ns] / 1_000_000.0).round(2)}ms"
+    end
   end
 
   write_json_file(yjit_bench_results)