https://git.ruby-lang.org/ruby.git/commit/?id=b4539dba7a

From b4539dba7ae85de192b6d0114e3edf70a4cf6ae6 Mon Sep 17 00:00:00 2001
From: Jemma Issroff <jemmaissroff@g...>
Date: Wed, 17 Aug 2022 13:24:50 -0400
Subject: Added vm setivar benchmark from yjit-bench

---
 benchmark/vm_ivar_set_on_instance.yml | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 benchmark/vm_ivar_set_on_instance.yml

diff --git a/benchmark/vm_ivar_set_on_instance.yml b/benchmark/vm_ivar_set_on_instance.yml
new file mode 100644
index 0000000000..f0d5c16964
--- /dev/null
+++ b/benchmark/vm_ivar_set_on_instance.yml
@@ -0,0 +1,35 @@ https://github.com/ruby/ruby/blob/trunk/benchmark/vm_ivar_set_on_instance.yml#L1
+prelude: |
+    class TheClass
+        def initialize
+            @v0 = 1
+            @v1 = 2
+            @v3 = 3
+            @levar = 1
+        end
+
+        def set_value_loop
+            # 1M
+            i = 0
+            while i < 1000000
+                # 10 times to de-emphasize loop overhead
+                @levar = i
+                @levar = i
+                @levar = i
+                @levar = i
+                @levar = i
+                @levar = i
+                @levar = i
+                @levar = i
+                @levar = i
+                @levar = i
+                i += 1
+            end
+        end
+    end
+
+    obj = TheClass.new
+
+benchmark:
+  vm_ivar_set_on_instance: |
+    obj.set_value_loop
+loop_count: 100
-- 
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