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1. 发明授权

US08984542B2 Method and system for binding objects in dynamic programming languages using caching techniques 有权
标题翻译：使用缓存技术在动态编程语言中绑定对象的方法和系统
公开(公告)号：US08984542B2
公开(公告)日：2015-03-17
申请号：US13691664
申请日：2012-11-30
申请人： Facebook, Inc.
发明人： Keith Adams , Andrew John Paroski , Jason Owen Evans
IPC分类号： G06F9/45 , G06F9/445
CPC分类号： G06F9/44521 , G06F8/41 , G06F9/449
摘要： Disclosed are a method and system for binding a program object in a source code to one of a number of implementations of the program object, using caching techniques. Binding a program object to a particular implementation includes performing the binding process at compile time and runtime of the source code. During compilation phase, the program objects in the source code are identified, and each of the program objects is assigned a slot in a target cache. The slot is configured to store a pointer that points to a particular implementation of a program object to which the slot is assigned. During execution phase, the particular implementation of the program object is determined based on execution flow of the source code. After the particular implementation is determined, the program object is bound to the particular implementation by updating the assigned target cache slot with a pointer pointing to the particular implementation.
摘要翻译：公开了一种使用高速缓存技术将源代码中的程序对象绑定到程序对象的多个实现之一的方法和系统。将程序对象绑定到特定实现包括在源代码的编译时和运行时执行绑定过程。在编译阶段，识别源代码中的程序对象，并在目标高速缓存中为每个程序对象分配一个插槽。该时隙被配置为存储指向分配了该时隙的节目对象的特定实现的指针。在执行阶段，程序对象的特定实现是基于源代码的执行流程来确定的。在确定了特定实现之后，通过用指向特定实现的指针来更新所分配的目标高速缓存槽，程序对象被绑定到特定实现。

2. 发明授权

US09697022B2 Run time incremental compilation of script code 有权
公开(公告)号：US09697022B2
公开(公告)日：2017-07-04
申请号：US14724329
申请日：2015-05-28
申请人： Facebook, Inc.
发明人： Keith Adams , Andrew John Paroski , Jason Owen Evans
IPC分类号： G06F15/18 , G06F9/455 , G06F9/30 , G06F9/45 , G06F9/38
CPC分类号： G06F9/45516 , G06F8/437 , G06F8/443 , G06F8/48 , G06F9/30192 , G06F9/3836
摘要： Scripts are incrementally compiled at runtime to generate executable code. The incremental compilation generates executable code corresponding to a basic block of the script. The executable code for a basic block of script is generated for a set of types of variables of the basic block resulting from execution of the script in response to a request. The generated executable code is stored and executed for subsequent requests if these requests result in the same types of variables for the basic block. The incremental compilation of the script is performed in a lazy fashion, such that executable code is not generated for combinations of types of variables of the script code that are not obtained from requests received at runtime. The script may dynamically generate portions of a web page that is returned in response to a request for execution of the script.

3. 发明申请

US20140156708A1 METHOD AND SYSTEM FOR IMPLEMENTING AN ARRAY USING DIFFERENT DATA STRUCTURES 有权
标题翻译：使用不同数据结构实现阵列的方法和系统
公开(公告)号：US20140156708A1
公开(公告)日：2014-06-05
申请号：US13691622
申请日：2012-11-30
申请人： Facebook, Inc.
发明人： Keith Adams , Andrew John Paroski , Jason Owen Evans
IPC分类号： G06F17/30
CPC分类号： G06F17/30312 , G06F9/34 , G06F17/30126 , G06F17/3033
摘要： Disclosed are a method and system for implementing an array data type of a programming language using various data structures. The disclosed method includes a plurality of implementations in which the array data type may be implemented. The implementations provide an efficient way to retrieve elements from the array, especially in the order they are inserted into the array. The data structures also minimize the computing resources required to manage and access the array. The disclosed technique also selects one of the many implementations based on criteria such as access pattern or size of the array.
摘要翻译：公开了一种使用各种数据结构实现编程语言的阵列数据类型的方法和系统。所公开的方法包括其中可以实现阵列数据类型的多个实现。这些实现提供了一种从数组中检索元素的有效方法，特别是按照它们插入数组的顺序。数据结构还将管理和访问阵列所需的计算资源最小化。所公开的技术还基于诸如访问模式或阵列的大小的标准来选择许多实现之一。

4. 发明申请

US20150261553A1 Run Time Incremental Compilation of Script Code 审中-公开
标题翻译：脚本代码的运行时增量编译
公开(公告)号：US20150261553A1
公开(公告)日：2015-09-17
申请号：US14724329
申请日：2015-05-28
申请人： Facebook, Inc.
发明人： Keith Adams , Andrew John Paroski , Jason Owen Evans
IPC分类号： G06F9/455 , G06F9/45
CPC分类号： G06F9/45516 , G06F8/437 , G06F8/443 , G06F8/48 , G06F9/30192 , G06F9/3836
摘要： Scripts are incrementally compiled at runtime to generate executable code. The incremental compilation generates executable code corresponding to a basic block of the script. The executable code for a basic block of script is generated for a set of types of variables of the basic block resulting from execution of the script in response to a request. The generated executable code is stored and executed for subsequent requests if these requests result in the same types of variables for the basic block. The incremental compilation of the script is performed in a lazy fashion, such that executable code is not generated for combinations of types of variables of the script code that are not obtained from requests received at runtime. The script may dynamically generate portions of a web page that is returned in response to a request for execution of the script.
摘要翻译：脚本在运行时增量编译以生成可执行代码。增量编译生成与脚本的基本块相对应的可执行代码。脚本的基本块的可执行代码是由响应于请求的脚本的执行导致的基本块的变量的一组类型而生成的。如果这些请求导致基本块的相同类型的变量，则生成的可执行代码被存储并执行用于后续请求。脚本的增量编译是以懒惰的方式执行的，这样就不会为脚本代码的变量类型的组合生成不能在运行时收到的请求中获取可执行代码。脚本可以动态地生成响应于脚本的执行请求返回的网页的部分。

5. 发明申请

US20140157291A1 METHOD AND SYSTEM FOR BINDING OBJECTS IN DYNAMIC PROGRAMMING LANGUAGES USING CACHING TECHNIQUES 有权
标题翻译：使用移动技术在动态编程语言中绑定对象的方法和系统
公开(公告)号：US20140157291A1
公开(公告)日：2014-06-05
申请号：US13691664
申请日：2012-11-30
申请人： Facebook, Inc.
发明人： Keith C. Adams , Andrew John Paroski , Jason Owen Evans
IPC分类号： G06F9/445
CPC分类号： G06F9/44521 , G06F8/41 , G06F9/449
摘要： Disclosed are a method and system for binding a program object in a source code to one of a number of implementations of the program object, using caching techniques. Binding a program object to a particular implementation includes performing the binding process at compile time and runtime of the source code. During compilation phase, the program objects in the source code are identified, and each of the program objects is assigned a slot in a target cache. The slot is configured to store a pointer that points to a particular implementation of a program object to which the slot is assigned. During execution phase, the particular implementation of the program object is determined based on execution flow of the source code. After the particular implementation is determined, the program object is bound to the particular implementation by updating the assigned target cache slot with a pointer pointing to the particular implementation.
摘要翻译：公开了一种使用高速缓存技术将源代码中的程序对象绑定到程序对象的多个实现之一的方法和系统。将程序对象绑定到特定实现包括在源代码的编译时和运行时执行绑定过程。在编译阶段，识别源代码中的程序对象，并在目标高速缓存中为每个程序对象分配一个插槽。该时隙被配置为存储指向分配了该时隙的节目对象的特定实现的指针。在执行阶段，程序对象的特定实现是基于源代码的执行流程来确定的。在确定了特定实现之后，通过用指向特定实现的指针来更新所分配的目标高速缓存槽，程序对象被绑定到特定实现。

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