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-rw-r--r--benchmark/bm_hash_ident_str.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/benchmark/bm_hash_ident_str.rb b/benchmark/bm_hash_ident_str.rb
new file mode 100644
index 0000000..8582b38
--- /dev/null
+++ b/benchmark/bm_hash_ident_str.rb
@@ -0,0 +1,4 @@
+h = {}.compare_by_identity
+strs = ('a'..'z').to_a
+strs.each { |s| h[s] = s }
+200_000.times { strs.each { |s| h[s] } }