From 082f416489d974645e80938071474a2aa449987a Mon Sep 17 00:00:00 2001
From: Max Bernstein <ruby@bernsteinbear.com>
Date: Fri, 17 Oct 2025 13:14:27 -0400
Subject: [PATCH 1/4] Add microbenchmarks for sending to a methods with a block

---
 benchmarks.yml                    |  8 ++++++++
 benchmarks/send_cfunc_block.rb    |  9 +++++++++
 benchmarks/send_rubyfunc_block.rb | 15 +++++++++++++++
 3 files changed, 32 insertions(+)
 create mode 100644 benchmarks/send_cfunc_block.rb
 create mode 100644 benchmarks/send_rubyfunc_block.rb

diff --git a/benchmarks.yml b/benchmarks.yml
index b0406a93..d03a8ed8 100644
--- a/benchmarks.yml
+++ b/benchmarks.yml
@@ -112,6 +112,14 @@ cfunc_itself:
   desc: cfunc_itself just calls the 'itself' method many, many times.
   category: micro
   single_file: true
+send_cfunc_block:
+  desc: send_cfunc_block just calls a known C function with a block many, many times.
+  category: micro
+  single_file: true
+send_rubyfunc_block:
+  desc: send_rubyfunc_block just calls a known Ruby function with a block many, many times.
+  category: micro
+  single_file: true
 fib:
   desc: Fib is a simple exponential-time recursive Fibonacci number generator.
   category: micro
diff --git a/benchmarks/send_cfunc_block.rb b/benchmarks/send_cfunc_block.rb
new file mode 100644
index 00000000..141a43b9
--- /dev/null
+++ b/benchmarks/send_cfunc_block.rb
@@ -0,0 +1,9 @@
+require_relative '../harness/loader'
+
+ARR = []
+
+run_benchmark(500) do
+  2_000_000.times do |i|
+    ARR.each {}
+  end
+end
diff --git a/benchmarks/send_rubyfunc_block.rb b/benchmarks/send_rubyfunc_block.rb
new file mode 100644
index 00000000..1edabf26
--- /dev/null
+++ b/benchmarks/send_rubyfunc_block.rb
@@ -0,0 +1,15 @@
+require_relative '../harness/loader'
+
+class C
+  def ruby_func
+    # Don't even yield
+  end
+end
+
+INSTANCE = C.new
+
+run_benchmark(500) do
+  2_000_000.times do |i|
+    INSTANCE.ruby_func {}
+  end
+end

From 9e608d1584ea2d11df1c9f949de76a46dbf935e2 Mon Sep 17 00:00:00 2001
From: Max Bernstein <ruby@bernsteinbear.com>
Date: Fri, 17 Oct 2025 13:19:56 -0400
Subject: [PATCH 2/4] .

---
 benchmarks/send_cfunc_block.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/benchmarks/send_cfunc_block.rb b/benchmarks/send_cfunc_block.rb
index 141a43b9..f8551e6d 100644
--- a/benchmarks/send_cfunc_block.rb
+++ b/benchmarks/send_cfunc_block.rb
@@ -4,6 +4,9 @@
 
 run_benchmark(500) do
   2_000_000.times do |i|
+    # each is a 0-arg cfunc
     ARR.each {}
+    # index is a variadic cfunc
+    ARR.index {}
   end
 end

From b0bb57e8bea30b3961c35a492132be4a608258c1 Mon Sep 17 00:00:00 2001
From: Max Bernstein <ruby@bernsteinbear.com>
Date: Mon, 20 Oct 2025 09:28:53 -0400
Subject: [PATCH 3/4] Add bmethod benchmark

---
 benchmarks.yml             |  4 ++++
 benchmarks/send_bmethod.rb | 11 +++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 benchmarks/send_bmethod.rb

diff --git a/benchmarks.yml b/benchmarks.yml
index d03a8ed8..d0c4f586 100644
--- a/benchmarks.yml
+++ b/benchmarks.yml
@@ -120,6 +120,10 @@ send_rubyfunc_block:
   desc: send_rubyfunc_block just calls a known Ruby function with a block many, many times.
   category: micro
   single_file: true
+send_bmethod:
+  desc: send_bmethod just calls a known Ruby bmethod many, many times.
+  category: micro
+  single_file: true
 fib:
   desc: Fib is a simple exponential-time recursive Fibonacci number generator.
   category: micro
diff --git a/benchmarks/send_bmethod.rb b/benchmarks/send_bmethod.rb
new file mode 100644
index 00000000..9f39ca8d
--- /dev/null
+++ b/benchmarks/send_bmethod.rb
@@ -0,0 +1,11 @@
+require_relative '../harness/loader'
+
+define_method(:zero) { :b }
+define_method(:one) { |arg| arg }
+
+run_benchmark(500) do
+  2_000_000.times do |i|
+    zero
+    one 123
+  end
+end

From 884bec81459655d74fe053bf4d3778bb64350075 Mon Sep 17 00:00:00 2001
From: Max Bernstein <ruby@bernsteinbear.com>
Date: Mon, 20 Oct 2025 10:03:07 -0400
Subject: [PATCH 4/4] .

---
 benchmarks.yml             | 2 +-
 benchmarks/send_bmethod.rb | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/benchmarks.yml b/benchmarks.yml
index d0c4f586..906713a3 100644
--- a/benchmarks.yml
+++ b/benchmarks.yml
@@ -121,7 +121,7 @@ send_rubyfunc_block:
   category: micro
   single_file: true
 send_bmethod:
-  desc: send_bmethod just calls a known Ruby bmethod many, many times.
+  desc: send_bmethod just calls known Ruby bmethods many, many times.
   category: micro
   single_file: true
 fib:
diff --git a/benchmarks/send_bmethod.rb b/benchmarks/send_bmethod.rb
index 9f39ca8d..6b3a28b7 100644
--- a/benchmarks/send_bmethod.rb
+++ b/benchmarks/send_bmethod.rb
@@ -1,5 +1,6 @@
 require_relative '../harness/loader'
 
+# Call with and without args
 define_method(:zero) { :b }
 define_method(:one) { |arg| arg }