HHVM for PHP and Hack - Speaker Deck

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HHVM HACK PHP + + Mariusz Gil

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BE FAST AT SCALE

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IS SLOW

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ISN’T FAST

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CODE INTERPRET TO OPCODE OPCODE EXECUTION OPCODE CACHE

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SOLUTION NEEDED

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2008

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2010

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2010

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SUCCESS 50% CPU USAGE REDUCTION

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CODE TRANSFORM CODE TO C++ COMPILE WITH G++ EXECUTE NATIVE CODE

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FAILURE?

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2010

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2013

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HHVM OPEN SOURCE VIRTUAL MACHINE FOR PHP

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HHVM OPEN SOURCE VIRTUAL MACHINE FOR PHP PHP5 SUPPORT* HACK SUPPORT JIT COMPILATION HHVM NATIVE INTERFACE FAST CGI SUPPORT CLI SUPPORT HPHPD

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CODE TRANSFORM CODE HHBC OPTIMIZE TRANSLATE HHBC TO X86-64 CODE EXECUTE NATIVE CODE

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cat ./phpversion.php

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cd/var/www/webapp; ! hhvm --mode server -vServer.Type=fastcgi -vServer.FileSocket=/var/run/hhvm/hhvm.sock -vAdminServer.Port=9001 ! ! root /var/www/webapp; fastcgi_pass unix:/var/run/hhvm/hhvm.sock; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params;

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alias composer="hhvm -v ResourceLimit.SocketDefaultTimeout=30 -v Http.SlowQueryThreshold=30000 /usr/local/bin/composer”

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JIT OPTIMIZATIONS

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EXTENSIONS API

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HACK LANGUAGE FOR HHVM THAT INTEROPERATE SEAMLESSLY WITH PHP

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HACK LANGUAGE FOR HHVM THAT INTEROPERATE SEAMLESSLY WITH PHP TYPE ANNOTATIONS TYPE ALIASING GENERICS NULLABLE TYPES COLLECTIONS CONTINUATIONS LAMBDAS ASYNC PROGRAMMING SHAPES TUPLES

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{ private ?T $data; ! public function __construct() { $this->data = null; } ! public function put(T $mail): void { $this->data = $mail; } ! public function check(): ?T { if ($this->data !== null) { return $this->data; } return null; } }

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cat ./test.hh { return 'not an Vector'; } ! ! hh_client /home/vagrant/test.hh:3:22,22: You probably forgot to bind this type parameter right? Add somewhere (after the function name definition, or after the class name) Examples: function foo or class A /home/vagrant/test.hh:4:10,27: Invalid return type /home/vagrant/test.hh:3:15,20: This is an object of type Vector /home/vagrant/test.hh:4:10,27: It is incompatible with a string

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PHP NG

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CODE TRANSLATE ZEND BYTECODE TO LLVM COMPILE TO MACHINE CODE EXECUTE MACHINE CODE