optimize piSwap and c++11 improvments

2020-07-16 12:48:20 +03:00
parent 835e6c7773
commit 32f16fdb64
8 changed files with 216 additions and 23 deletions
--- a/main.cpp
+++ b/main.cpp
@@ -110,27 +110,196 @@ private:
 	
 };
 */
+struct A {
+	double arr[1000];
+};


 //PIKbdListener kbd(0, 0, false);

+void swap(int & x, int & y) {int t = x; x = y; y = t;}
+void swap2(int & x, int & y) {int t(std::move(x)); x = y; y = t;}
+void swap(size_t & x, size_t & y) {size_t t = x; x = y; y = t;}
+void swap2(size_t & x, size_t & y) {size_t t{std::move(x)}; x = y; y = t;}
+void swap(double & x, double & y) {double t = x; x = y; y = t;}
+void swap2(double & x, double & y) {double t(std::move(x)); x = std::move(y); y = std::move(t);}
+void swap(float & x, float & y) {float t = x; x = y; y = t;}
+void swap2(float & x, float & y) {float t(std::move(x)); x = std::move(y); y = std::move(t);}
+void swap(PIString & x, PIString & y) {PIString t = x; x = y; y = t;}
+void swap2(PIString & x, PIString & y) {PIString t(std::move(x)); x = std::move(y); y = std::move(t);}
+void swap(std::string & x, std::string & y) {std::string t = x; x = y; y = t;}
+void swap2(std::string & x, std::string & y) {std::string t{std::move(x)}; x = std::move(y); y = std::move(t);}
+void swap(A & x, A & y) {A t = x; x = y; y = t;}
+void swap2(A & x, A & y) {A t{std::move(x)}; x = std::move(y); y = std::move(t);}
+void swap(PIObject & x, PIObject & y) {A t = x; x = y; y = t;}
+//void swap2(PIObject & x, PIObject & y) {A t(std::move(x)); x = std::move(y); y = std::move(t);}

-#include "pigpio.h"
 int main(int argc, char * argv[]) {
-	PIObject * o = PIIODevice::createFromFullPath("ser://COM1");
-	piCout << o;
-	piCout << o->cast<PIIODevice>();
-	piCout << o->cast<PISerial>();
-	piCout << o->scopeList();
-	piCout << "\n\n";
-	PIMap<uint, PIObject::__MetaData> & m(PIObject::__meta_data());
-	for (auto it = m.constBegin(); it != m.constEnd(); ++it) {
-		const PIObject::__MetaData & md(it.value());
-		piCout << it.key() << md.scope_list << md.scope_id << ":";
-		for (auto j = md.eh_func.constBegin(); j != md.eh_func.constEnd(); ++j) {
-			piCout << "   " << j.value().fullFormat();
-		}
-		piCout << "";
-	}/**/
+	PITimeMeasurer tm;
+	int m = 100000;
+	int a = 99, b = 77;
+	piCout << "int";
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(a,b);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(a,b);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwapBinary(a,b);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(a,b);
+	}
+	piCout << tm.elapsed_s();
+
+	piCout << "size_t";
+	size_t ta = 99, tb = 77;
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(ta,tb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(ta,tb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwapBinary(ta,tb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(ta,tb);
+	}
+	piCout << tm.elapsed_s();
+
+	piCout << "ullong";
+	ullong lla = 99, llb = 77;
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(lla,llb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(lla,llb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwapBinary(lla,llb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(lla,llb);
+	}
+	piCout << tm.elapsed_s();
+
+	piCout << "double";
+	double da = 0.99,db = 77.77;
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(da,db);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(da,db);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwapBinary(da,db);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(da,db);
+	}
+	piCout << tm.elapsed_s();
+
+	piCout << "float";
+	float fa = 0.99,fb = 77.77;
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(fa,fb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(fa,fb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwapBinary(fa,fb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(fa,fb);
+	}
+	piCout << tm.elapsed_s();
+
+	piCout << "A";
+	A aa,ab;
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(aa,ab);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(aa,ab);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwapBinary(aa,ab);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(aa,ab);
+	}
+	piCout << tm.elapsed_s();
+
+	piCout << "std::string";
+	std::string ia = "123456789012345678901vfsdvsd2345678",ib = "qwertyvsdfvvsdvfsuiopqwertyuikolsdfghjklsdfghjk";
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(ia,ib);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(ia,ib);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		ia.swap(ib);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(ia,ib);
+	}
+	piCout << tm.elapsed_s();
+
+
+	PIString sa = "123456789012345678901vfsdvsd2345678",sb = "qwertyvsdfvvsdvfsuiopqwertyuikolsdfghjklsdfghjk";
+	piCout << "PIString";
+	tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap(sa,sb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		swap2(sa, sb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		sa.swap(sb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwapBinary(sa, sb);
+	}
+	piCout << tm.elapsed_s(); tm.reset();
+	for (int i = 0; i < m; ++i) {
+		piSwap(sa, sb);
+	}
+	piCout << tm.elapsed_s();
 	return 0;
 }