From b0e3d8c5e8fa5d6684a258621267aca6e8f5b3cb Mon Sep 17 00:00:00 2001
From: Philippe PITTOLI <karchnu@karchnu.fr>
Date: Sun, 26 May 2024 05:42:10 +0200
Subject: [PATCH] Benchmark fifo.

---
 spec/benchmark-fifo.cr | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 spec/benchmark-fifo.cr

diff --git a/spec/benchmark-fifo.cr b/spec/benchmark-fifo.cr
new file mode 100644
index 0000000..a6344b0
--- /dev/null
+++ b/spec/benchmark-fifo.cr
@@ -0,0 +1,35 @@
+require "benchmark"
+require "../src/fifo.cr"
+
+def add(fifo : FIFO(Int32) | EfficientFIFO(Int32), nb : UInt32)
+	i = 0
+	while i < nb
+		fifo << i
+		i += 1
+	end
+end
+
+class Context
+	class_property nb_values : UInt32 = 100_000
+	class_property fifo_size : UInt32 = 10_000
+end
+
+if nb_values = ENV["NBVAL"]?
+	Context.nb_values = nb_values.to_u32
+end
+
+if fifo_size = ENV["FIFOSIZE"]?
+	Context.fifo_size = fifo_size.to_u32
+end
+
+Benchmark.ips do |x|
+	x.report("adding #{Context.nb_values} values, FIFO limited to #{Context.fifo_size}") do
+		fifo = FIFO(Int32).new Context.fifo_size
+		add fifo, Context.nb_values
+	end
+
+	x.report("adding #{Context.nb_values} values, EfficientFIFO limited to #{Context.fifo_size}") do
+		fifo = EfficientFIFO(Int32).new Context.fifo_size
+		add fifo, Context.nb_values
+	end
+end