From fc7313c1a3d3ecd48b61e8a7e12c18c41b6173c6 Mon Sep 17 00:00:00 2001
From: anon <anon@anon.anon>
Date: Sat, 9 Sep 2023 18:14:57 +0200
Subject: [PATCH] benchmarking prototype

---
 benchmark/Makefile        | 19 +++++++++----------
 benchmark/gnu_racer.cpp   | 48 ++++++++++++++++++++++++++---------------------
 benchmark/jeger_racer.cpp |  4 ++++
 3 files changed, 40 insertions(+), 31 deletions(-)

diff --git a/benchmark/Makefile b/benchmark/Makefile
index da12428..866a111 100644
--- a/benchmark/Makefile
+++ b/benchmark/Makefile
@@ -1,20 +1,19 @@
-DEBUG := 0
-
+#CPPFLAGS := -DDEBUG
+#CXXFLAGS := -O0 -ggdb
+CXXFLAGS := -O2
 BUILD.cpp := ${CXX} ${CXXFLAGS} ${CPPFLAGS}
 
-.ONESHELL:
-
 test: build
-	for $$i i *.out;
-		do time $$i
-	done
+	export LD_LIBRARY_PATH=$$(realpath .):$$LD_LIBRARY_PATH
+	perf stat -r 10000 ./gnu_racer.out
+	perf stat -r 10000 ./jeger_racer.out
 
 build: jeger gnu
 
 jeger: ../source/vector.c ../source/jeger.c jeger_racer.cpp
-	gcc -shared ../source/vector.c -o vector.so
-	gcc -shared ../source/jeger.c -o jeger.so
-	${BUILD.cpp} -I../source/ vector.so jeger.so jeger_racer.cpp -o jeger_racer.out
+	g++ -shared ../source/vector.c -o vector.so
+	g++ -shared ../source/jeger.c -o jeger.so
+	${BUILD.cpp} -I../source/ jeger_racer.cpp vector.so jeger.so -o jeger_racer.out
 
 gnu: gnu_racer.cpp
 	${BUILD.cpp} gnu_racer.cpp -o gnu_racer.out
diff --git a/benchmark/gnu_racer.cpp b/benchmark/gnu_racer.cpp
index f8342e0..627668d 100644
--- a/benchmark/gnu_racer.cpp
+++ b/benchmark/gnu_racer.cpp
@@ -1,3 +1,8 @@
+#if DEBUG
+# include <assert.h>
+#endif
+
+#include <stddef.h>
 #include <regex.h>
 
 static
@@ -5,12 +10,13 @@ void TEST(const char * const   what,
           const char * const     on,
 	      const bool         expect){
 
-	regex_t * r = regcomp(&r, pattern, REG_EXTENDED | REG_NOSUB);
-	int result = regexec(regex, input, 0, NULL, 0);
-	regfree(r);
+	regex_t r;
+	regcomp(&r, what, REG_EXTENDED | REG_NOSUB);
+	int result = regexec(&r, on, 0, NULL, 0);
+	regfree(&r);
 
 #if DEBUG
-	assert((result != -1) && (expect == (bool)result));
+	assert((result != -1) && (expect == !((bool)result)));
 #endif
 }
 
@@ -21,17 +27,17 @@ signed main(){
 	TEST(  R"del(ss)del",  "sss", true);
 	TEST( R"del(sss)del",   "ss", false);
 
-	TEST( R"del(ab\+c)del",     "abc", true);
-	TEST(R"del(ef\+g1)del", "effffg1", true);
-	TEST(R"del(efg1\+)del",     "efg", false);
-	TEST(R"del(efg1\+)del",    "efg1", true);
-	TEST(R"del(efg1\+)del",   "efg11", true);
+	TEST( R"del(ab+c)del",     "abc", true);
+	TEST(R"del(ef+g1)del", "effffg1", true);
+	TEST(R"del(efg1+)del",     "efg", false);
+	TEST(R"del(efg1+)del",    "efg1", true);
+	TEST(R"del(efg1+)del",   "efg11", true);
 
-	TEST( R"del(a\+a)del", "aaa", true);
-	TEST( R"del(a\+a)del",  "aa", true);
-	TEST( R"del(a\+a)del",   "a", false);
-	TEST( R"del(a\+a)del", "aaa", true);
-	TEST(R"del(a\++)del", "aaa", false);
+	TEST( R"del(a+a)del", "aaa", true);
+	TEST( R"del(a+a)del",  "aa", true);
+	TEST( R"del(a+a)del",   "a", false);
+	TEST( R"del(a+a)del", "aaa", true);
+	TEST(R"del(a+\+)del", "aaa", false);
 
 	TEST( R"del(ab*c)del",     "abc", true);
 	TEST(R"del(ef*g1)del", "effffg1", true);
@@ -41,26 +47,26 @@ signed main(){
 
 	TEST( R"del(ne.)del",  "net", true);
 	TEST( R"del(ne.)del",   "ne", false);
-	TEST(R"del(ne.\+)del", "neoo", true);
+	TEST(R"del(ne.+)del", "neoo", true);
 	TEST(R"del(ne.*)del", "neoo", true);
 	TEST(R"del(ne.*)del",   "ne", true);
 
 	TEST( R"del(ne.o)del",   "neto", true);
-	TEST(R"del(ne.\+o)del", "nettto", true);
-	TEST(R"del(ne.\+o)del",    "neo", false);
-	TEST(R"del(ne.\+o)del",   "neoo", true);
+	TEST(R"del(ne.+o)del", "nettto", true);
+	TEST(R"del(ne.+o)del",    "neo", false);
+	TEST(R"del(ne.+o)del",   "neoo", true);
 	TEST(R"del(ne.*o)del",    "neo", true);
 
 	TEST(R"del(ne.)del",  "ne\t", true);
 	TEST(R"del(ne\t)del",   "ne", false);
-	TEST(R"del(ne\t)del", "ne\t", true);
-	TEST(R"del(ne\t)del",  "net", false);
+	TEST(         "ne\t", "ne\t", true); //XXX
+	TEST(R"del(ne	)del",  "net", false);
 	TEST(R"del(ne)del",   "ne\t", true);
 
 	TEST(R"del(\sa)del",  " a", true);
 	TEST(R"del(\sa)del", " a ", true);
 	TEST(R"del(\wi)del",  "hi", true);
-	TEST(R"del(\w\+)del", "asd", true);
+	TEST(R"del(\w+)del", "asd", true);
 	TEST(R"del(\w*)del",    "", true);
 
 	TEST( R"del([A-Za-z]+)del", "HelloWorld",  true);
diff --git a/benchmark/jeger_racer.cpp b/benchmark/jeger_racer.cpp
index 5584927..9fcc8b2 100644
--- a/benchmark/jeger_racer.cpp
+++ b/benchmark/jeger_racer.cpp
@@ -1,3 +1,7 @@
+#if DEBUG
+# include <assert.h>
+#endif
+
 #include <jeger.h>
 
 static