Apache OpenWhisk + Kubernetes: A Perfect Match for Your Serverless Platform Ying Chun Guo guoyingc@cn.ibm.com Zhou Xing xingzhou@qiyi.com Agenda • What is serverless? • Kubernetes + Apache

making it possible to forward it by means of std::forward. CppCon 2023 | Forwarding References Perfect Forwarding 33Forwarding references preserve the value category of a function argument, making it lvalue\n"; } void f(int&&) { std::cout << "rvalue\n"; } CppCon 2023 | Forwarding References Perfect Forwarding 33Forwarding references preserve the value category of a function argument, making it wrapper(T&& v) { do_something(); f(std::forward(v)); } CppCon 2023 | Forwarding References Perfect Forwarding 33Forwarding references preserve the value category of a function argument, making it

josuttis | eckstein err 3 下Tcommunication C++ Move Semantics Perfect Forwarding ES josuttis | eckstein Ci C++ Move Semantics Motivation for Perfect Forwarding 1/2 *， Overloading for constinon-const lvalues and rvalues: class c 1 用 void foo(const eckstein err Tcommunication Motivation for Perfect Forwarding 2/2 *。 Forward move semantics in helper func: class c 1 用 void foo(const ci); Jread-only

of algorithms can often be good at finding good enough solutions, that is solutions which arent perfect, yet still good. In this paper the problem which will be explored is how proficient it will be at removed from. 1 class PerfectPlayer : 2 #This method applies the deterministic algorithm for making perfect moves in Nim , and returns the index of the move and the amoiunt of counters removed. 3 def makeMove(self the program(which also runs the training), taking the time it uses for this. (b) Play against the perfect player(which uses the deterministic algorithm), for each state the program can win(that is those

contract with zero additional overhead.0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Properties of a Signal Tree Perfect Binary Tree: ● Internal nodes have two children ● Leaf nodes all at the same level Leaf Nodes Internal nodes are sum of children0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Properties of a Signal Tree Perfect Binary Tree: ● Internal nodes have two children ● Leaf nodes all at the same level Leaf Nodes Internal nodes are sum of children0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Properties of a Signal Tree Perfect Binary Tree: ● Internal nodes have two children ● Leaf nodes all at the same level Leaf Nodes

pub fn is_perfect_number(num: usize) -> bool { let mut sum = 0; for i in 1..num - 1 { if num % i == 0 { sum += i; } } num == sum } pub fn perfect_numbers(max: Vec::new(); // It is not known if there are any odd perfect numbers, so we go around all the numbers. for i in 1..max + 1 { if is_perfect_number(i) { result.push(i); } { assert_eq!(is_perfect_number(6), true); assert_eq!(is_perfect_number(28), true); assert_eq!(is_perfect_number(496), true); assert_eq!(is_perfect_number(8128), true);

by value - passing by (const) reference - can change the referenced value 103Perfect forwarding 104 “In C++, perfect forwarding is the act of passing a function’s parameters to another function while return std::unique_ptr( new T(std::forward(args)...)); }Perfect forwarding is not perfect! 105 “In C++, perfect forwarding is the act of passing a function’s parameters to another function new T(std::forward(args)...)); } breaks RVOPerfect forwarding is not perfect! 106 “In C++, perfect forwarding is the act of passing a function’s parameters to another function while

leave behind if migrating. Stragglers can always be recovered. • Iterate. Prefer the good over the perfect Your documentation should be as good as possible within a reasonable time frame. The standards for “Good Over Perfect Rule”. It’s preferable to allow authors to quickly submit changes that improve the document, instead of forcing rounds of review until it’s “perfect”. Docs are never perfect, and tend

compressed using the LZW algorithm may be 4, 8 or 24 bits per pixel. This is a high quality file format, perfect for images you want to import to other programs like FrameMaker or CorelDRAW. • URL (Uniform Resource the center, you must use the Ctrl and Shift keys: • The Shift key constricts the selections to perfect squares and circles. The selection starts from the corner and continues in the drag direction. • white to gray selection instead of a black to gray one if you are not careful.) The wand is the perfect tool to select sharp-edged objects in an image. The wand is easy and fun to use, so the beginner

cyclic references), objects with shared ownership may 27 never be deleted. • Smart pointers are not perfect substitutes for plain pointers. If dynamic allocation is necessary, prefer to keep ownership with errors. cpplint.py is a tool that reads a source file and identifies many style errors. It is not perfect, and has both false positives and false negatives, but it is still a valuable tool. False positives References Use rvalue references only to define move constructors and move assignment operators, or for perfect forwarding. Rvalue references are a type of reference that can only bind to temporary ob- jects