: struct_alignment.cpp more
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@@ -23,6 +23,29 @@ struct B {
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bool b;
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};
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struct alignas(16) Ba {
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bool b;
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};
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struct alignas(16) BBa {
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bool b;
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bool b2;
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};
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struct alignas(16) BBaa {
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alignas(16) bool b;
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alignas(16) bool b2;
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};
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struct I128 {
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__int128 i128;
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};
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struct I128i {
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__int128 i128;
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int i;
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};
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int main ( void )
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{try{
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auto begin = std::chrono::high_resolution_clock::now();
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@@ -31,11 +54,21 @@ int main ( void )
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L l;
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C c;
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B b;
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Ba ba;
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BBa bba;
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BBaa bbaa;
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I128 i128;
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I128i i128i;
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std::cout << "sizeof(A)=" << sizeof(A) << " &a=" << &a <<std::endl;
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std::cout << "sizeof(L)=" << sizeof(L) << " &l=" << &l <<std::endl;
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std::cout << "sizeof(C)=" << sizeof(C) << " &c=" << &c <<std::endl;
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std::cout << "sizeof(B)=" << sizeof(B) << " &b=" << &b <<std::endl;
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std::cout << "sizeof(Ba)=" << sizeof(Ba) << " &ba=" << &ba <<std::endl;
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std::cout << "sizeof(BBa)=" << sizeof(BBa) << " &bba=" << &bba <<std::endl;
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std::cout << "sizeof(BBaa)=" << sizeof(BBaa) << " &bbaa=" << &bbaa <<std::endl;
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std::cout << "sizeof(I128)=" << sizeof(I128) << " &i128=" << &i128 <<std::endl;
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std::cout << "sizeof(I128i)=" << sizeof(I128i) << " &i128i=" << &i128i <<std::endl;
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//......
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auto end = std::chrono::high_resolution_clock::now();
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@@ -1,10 +1,6 @@
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/*
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VIM: let b:lcppflags="-std=c++14 -O2 -pthread -I."
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VIM: let b:wcppflags="/O2 /EHsc /DWIN32"
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VIM-: let b:cppflags=g:Iboost.g:Itbb
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VIM-: let b:ldflags=g:Lboost.g:Ltbb
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VIM-: let b:ldlibpath=g:Bboost.g:Btbb
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VIM-: let b:argv=""
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VIM: let b:cf5build="clang -std=c++14 -O2 -pthread -lstdc++ -I. {SRC} -o {OUT}"
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VIM: let b:cf5run="{OUT}"
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*/
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#include <iostream>
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#include <exception>
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