benchmark: Use IO#size instead of File.size to speed up file generation

Shizuo Fujita · Shizuo Fujita · commit 4123f2ff72d5 · 2026-03-14T11:28:46.000+09:00
Signed-off-by: Shizuo Fujita &lt;fujita@clear-code.com&gt;
diff --git a/tasks/benchmark.rb b/tasks/benchmark.rb
@@ -17,7 +17,7 @@
 
       loop do
         f.puts data
-        break if File.size(BENCHMARK_FILE_PATH) > BENCHMARK_FILE_SIZE
+        break if f.size > BENCHMARK_FILE_SIZE
       end
     end
   end
