From 4c98c971b838645416d7bac9de4e8a4d44e9d584 Mon Sep 17 00:00:00 2001
From: Niels <niels.lohmann@gmail.com>
Date: Wed, 20 Jul 2016 23:06:45 +0200
Subject: [PATCH] added benchmarks for numbers

---
 .gitignore                           |  2 ++
 Makefile                             |  2 ++
 benchmarks/benchmarks.cpp            | 30 ++++++++++++++++++++++++++++
 benchmarks/files/numbers/generate.py | 25 +++++++++++++++++++++++
 4 files changed, 59 insertions(+)
 create mode 100755 benchmarks/files/numbers/generate.py

diff --git a/.gitignore b/.gitignore
index d5bd2f7c..fd41a2e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,5 @@ me.nlohmann.json.docset
 
 android
 doc/xml
+
+benchmarks/files/numbers/*.json
diff --git a/Makefile b/Makefile
index 56e46d14..98f07687 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,7 @@ all: json_unit
 # clean up
 clean:
 	rm -fr json_unit json_benchmarks fuzz fuzz-testing *.dSYM
+	rm -fr benchmarks/files/numbers/*.json
 	$(MAKE) clean -Cdoc
 
 
@@ -85,6 +86,7 @@ pretty:
 
 # benchmarks
 json_benchmarks: benchmarks/benchmarks.cpp benchmarks/benchpress.hpp benchmarks/cxxopts.hpp src/json.hpp
+	cd benchmarks/files/numbers ; python generate.py
 	$(CXX) -std=c++11 $(CXXFLAGS) -O3 -flto -I src -I benchmarks $< $(LDFLAGS) -o $@
 	./json_benchmarks
 
diff --git a/benchmarks/benchmarks.cpp b/benchmarks/benchmarks.cpp
index 1f5eb5e3..ec6b462c 100644
--- a/benchmarks/benchmarks.cpp
+++ b/benchmarks/benchmarks.cpp
@@ -44,6 +44,36 @@ BENCHMARK("parse twitter.json", [](benchpress::context* ctx)
     }
 })
 
+BENCHMARK("parse numbers/floats.json", [](benchpress::context* ctx)
+{
+    for (size_t i = 0; i < ctx->num_iterations(); ++i)
+    {
+        std::ifstream input_file("benchmarks/files/numbers/floats.json");
+        nlohmann::json j;
+        j << input_file;
+    }
+})
+
+BENCHMARK("parse numbers/signed_ints.json", [](benchpress::context* ctx)
+{
+    for (size_t i = 0; i < ctx->num_iterations(); ++i)
+    {
+        std::ifstream input_file("benchmarks/files/numbers/signed_ints.json");
+        nlohmann::json j;
+        j << input_file;
+    }
+})
+
+BENCHMARK("parse numbers/unsigned_ints.json", [](benchpress::context* ctx)
+{
+    for (size_t i = 0; i < ctx->num_iterations(); ++i)
+    {
+        std::ifstream input_file("benchmarks/files/numbers/unsigned_ints.json");
+        nlohmann::json j;
+        j << input_file;
+    }
+})
+
 BENCHMARK("dump jeopardy.json", [](benchpress::context* ctx)
 {
     std::ifstream input_file("benchmarks/files/jeopardy/jeopardy.json");
diff --git a/benchmarks/files/numbers/generate.py b/benchmarks/files/numbers/generate.py
new file mode 100755
index 00000000..714ee3a1
--- /dev/null
+++ b/benchmarks/files/numbers/generate.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+
+import json
+import random
+import sys
+
+random.seed(0)
+
+# floats
+result_floats = []
+for x in range(0, 1000000):
+	result_floats.append(random.uniform(-100000000.0, 100000000.0))
+json.dump(result_floats, open("floats.json", "w"), indent=2)
+
+# unsigned integers
+result_uints = []
+for x in range(0, 1000000):
+	result_uints.append(random.randint(0, 18446744073709551615))
+json.dump(result_uints, open("unsigned_ints.json", "w"), indent=2)
+
+# signed integers
+result_sints = []
+for x in range(0, 1000000):
+	result_sints.append(random.randint(-9223372036854775808, 9223372036854775807))
+json.dump(result_sints, open("signed_ints.json", "w"), indent=2)