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1. 发明申请

US20050144386A1 Mechanism to store reordered data with compression 失效
标题翻译：通过压缩来存储重新排序的数据的机制
公开(公告)号：US20050144386A1
公开(公告)日：2005-06-30
申请号：US10747470
申请日：2003-12-29
申请人： Ali-Reza Adl-Tabatabai , Anwar Ghuloum , Guei-Yuan Lueh , Victor Ying
发明人： Ali-Reza Adl-Tabatabai , Anwar Ghuloum , Guei-Yuan Lueh , Victor Ying
IPC分类号： G06F12/08 , H03M7/30 , G06F12/00
CPC分类号： G06F12/0802 , G06F12/0862 , G06F2212/401 , H03M7/30
摘要： According to one embodiment a computer system is disclosed. The computer system includes a central processing unit (CPU), a cache memory coupled to the CPU and a cache controller, coupled to the cache memory. The cache memory includes a plurality of compressible cache lines to store additional data. The cache controller reorders a cache line after each access to the cache line prior to the compression of the cache line into a compressed cache line.
摘要翻译：根据一个实施例，公开了一种计算机系统。计算机系统包括中央处理单元（CPU），耦合到CPU的高速缓冲存储器和耦合到高速缓冲存储器的高速缓存控制器。高速缓冲存储器包括多个可压缩的高速缓存线以存储附加数据。在将高速缓存行压缩到压缩高速缓存行之前，高速缓存控制器在对高速缓存行进行每次访问之后重新排序高速缓存行。

2. 发明授权

US07243191B2 Compressing data in a cache memory 有权
标题翻译：压缩缓存中的数据
公开(公告)号：US07243191B2
公开(公告)日：2007-07-10
申请号：US10930882
申请日：2004-08-31
申请人： Zhiwei Ying , Guei-Yuan Lueh , Jinzhan Peng , Anwar Ghuloum , Ali-Reza Adl-Tabatabai
发明人： Zhiwei Ying , Guei-Yuan Lueh , Jinzhan Peng , Anwar Ghuloum , Ali-Reza Adl-Tabatabai
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F12/0802 , G06F12/123 , G06F2212/401
摘要： In one embodiment, the present invention includes a cache memory having a plurality of cache lines to store data, in which at least some of the cache lines are adapted to store data in a compressed state. The cache memory also may include a first tag corresponding to each of the cache lines to indicate whether data in the corresponding cache line is compressible.
摘要翻译：在一个实施例中，本发明包括具有多条高速缓存行以存储数据的高速缓存存储器，其中至少一些高速缓存行适于以压缩状态存储数据。高速缓冲存储器还可以包括对应于每个高速缓存行的第一标签，以指示对应的高速缓存行中的数据是否是可压缩的。

3. 发明申请

US20060047916A1 Compressing data in a cache memory 有权
标题翻译：压缩缓存中的数据
公开(公告)号：US20060047916A1
公开(公告)日：2006-03-02
申请号：US10930882
申请日：2004-08-31
申请人： Zhiwei Ying , Guei-Yuan Lueh , Jinzhan Peng , Anwar Ghuloum , Ali-Reza Adl-Tabatabai
发明人： Zhiwei Ying , Guei-Yuan Lueh , Jinzhan Peng , Anwar Ghuloum , Ali-Reza Adl-Tabatabai
IPC分类号： G06F12/00
CPC分类号： G06F12/0802 , G06F12/123 , G06F2212/401
摘要： In one embodiment, the present invention includes a cache memory having a plurality of cache lines to store data, in which at least some of the cache lines are adapted to store data in a compressed state. The cache memory also may include a first tag corresponding to each of the cache lines to indicate whether data in the corresponding cache line is compressible.
摘要翻译：在一个实施例中，本发明包括具有多条高速缓存行以存储数据的高速缓存存储器，其中至少一些高速缓存行适于以压缩状态存储数据。高速缓冲存储器还可以包括对应于每个高速缓存行的第一标签，以指示对应的高速缓存行中的数据是否是可压缩的。

4. 发明授权

US07162583B2 Mechanism to store reordered data with compression 失效
标题翻译：通过压缩来存储重新排序的数据的机制
公开(公告)号：US07162583B2
公开(公告)日：2007-01-09
申请号：US10747470
申请日：2003-12-29
申请人： Ali-Reza Adl-Tabatabai , Anwar M. Ghuloum , Guei-Yuan Lueh , Victor Ying
发明人： Ali-Reza Adl-Tabatabai , Anwar M. Ghuloum , Guei-Yuan Lueh , Victor Ying
IPC分类号： G06F12/00
CPC分类号： G06F12/0802 , G06F12/0862 , G06F2212/401 , H03M7/30
摘要： According to one embodiment a computer system is disclosed. The computer system includes a central processing unit (CPU), a cache memory coupled to the CPU and a cache controller, coupled to the cache memory. The cache memory includes a plurality of compressible cache lines to store additional data. The cache controller reorders a cache line after each access to the cache line prior to the compression of the cache line into a compressed cache line.
摘要翻译：根据一个实施例，公开了一种计算机系统。计算机系统包括中央处理单元（CPU），耦合到CPU的高速缓冲存储器和耦合到高速缓冲存储器的高速缓存控制器。高速缓冲存储器包括多个可压缩的高速缓存线以存储附加数据。在将高速缓存行压缩到压缩高速缓存行之前，高速缓存控制器在对高速缓存行进行每次访问之后重新排序高速缓存行。

5. 发明授权

US6158048A Method for eliminating common subexpressions from java byte codes 失效
标题翻译：从java字节码中消除公共子表达式的方法
公开(公告)号：US6158048A
公开(公告)日：2000-12-05
申请号：US87349
申请日：1998-05-29
申请人： Guei-Yuan Lueh , Ali-Reza Adl-Tabatabai
发明人： Guei-Yuan Lueh , Ali-Reza Adl-Tabatabai
IPC分类号： G06F9/45
CPC分类号： G06F8/443
摘要： Compilers are tools that generate efficient mappings from programs to machines. A Java "Just-In-Time" runs as part of an application, and as such, it must be fast and efficient in its use of memory. To achieve good performance and further optimize code generation, the present invention introduces a method for eliminating common subexpressions from Java bytecodes. The method of the present invention first loads a code stream containing sequences of computer code into computer memory. The expression value for a first expression of a first code sequence is computed and stored in a memory location. A tag is assigned to the memory location holding this expression value for tracking which expression sequences' values are held in memory locations. As code compilation continues, the code selector looks ahead in the code stream to see if any upcoming expression sequences already have expression values stored in a memory location. The code selector compares the expression of a second code sequence with the code sequences annotated by the tags of expression values currently stored in memory. If the second code sequence matches a sequence already associated with a memory location, then the value of the matched sequence is pushed from the memory location onto a stack, and the computations of the expression of the second code sequence is skipped. If the second expression does not match any of the expressions represented by the tags, the expression value of the second expression is calculated and stored in a memory location. This memory location is then annotated with its own expression tag for future comparisons with upcoming expressions in the code stream.
摘要翻译：编译器是从程序到机器生成高效映射的工具。 Java“Just-In-Time”作为应用程序的一部分运行，因此它在使用内存时必须快速高效。为了实现良好的性能并进一步优化代码生成，本发明引入了一种从Java字节码中消除公共子表达式的方法。本发明的方法首先将包含计算机代码序列的代码流加载到计算机存储器中。计算第一代码序列的第一表达式的表达式值并存储在存储器位置中。将标签分配给保存此表达式值的存储器位置，以跟踪哪些表达式序列的值保存在存储器位置。随着代码编译的继续，代码选择器在代码流中前进，以查看即将到来的表达式序列是否已经存储在内存位置中的表达式值。代码选择器将第二代码序列的表达式与由当前存储在存储器中的表达式值的标签注释的代码序列进行比较。如果第二代码序列与已经与存储器位置相关联的序列匹配，则将匹配序列的值从存储器位置推送到堆栈，并且跳过第二代码序列的表达式的计算。如果第二个表达式与标签表示的任何表达式不匹配，则计算第二个表达式的表达式值并将其存储在存储器中。然后使用其自己的表达式标签注释该存储器位置，以便将来与代码流中的即将到来的表达式进行比较。

6. 发明授权

US07367022B2 Methods and apparatus for optimizing the operating speed and size of a computer program 有权
标题翻译：用于优化计算机程序的操作速度和大小的方法和装置
公开(公告)号：US07367022B2
公开(公告)日：2008-04-29
申请号：US10235468
申请日：2002-09-05
申请人： Guei-Yuan Lueh , Ali-Reza Adl-Tabatabai , Tatiana Shpeisman
发明人： Guei-Yuan Lueh , Ali-Reza Adl-Tabatabai , Tatiana Shpeisman
IPC分类号： G06F9/45 , G06F9/44
CPC分类号： G06F11/3419 , G06F11/3466 , G06F2201/81 , G06F2201/88
摘要： Apparatus and methods for optimizing an operating speed and size of a computer program are disclosed. In an example, an apparatus includes an execution module to run a computer program, an exception detector to detect throws to an exception handler and to detect locations from which the throws occur, a memory to store data developed by the exception detector and a code adjuster to at least one of inline and fold the exception handler with respect to at least one of the detected locations.
摘要翻译：公开了用于优化计算机程序的操作速度和大小的装置和方法。在一个示例中，一种装置包括用于运行计算机程序的执行模块，用于检测抛出异常处理程序并检测出现发生的位置的异常检测器，用于存储由异常检测器开发的数据的存储器和代码调整器涉及至少一个检测到的位置的内联和折叠异常处理程序中的至少一个。

7. 发明授权

US07080354B2 Method for implementing dynamic type checking 失效
标题翻译：实现动态类型检查的方法
公开(公告)号：US07080354B2
公开(公告)日：2006-07-18
申请号：US10109939
申请日：2002-03-29
申请人： Ali-Reza Adl-Tabatabai , Guei-Yuan Lueh , Tatiana Shpeisman
发明人： Ali-Reza Adl-Tabatabai , Guei-Yuan Lueh , Tatiana Shpeisman
IPC分类号： G06F9/44
CPC分类号： G06F8/437
摘要： Methods and apparatuses for dynamic type checking are described. For one embodiment runtime code generation is used to effect dynamic type checking by generating code specialized to different object types. For one embodiment a virtual dynamic type check (DTC) function is generated for each object at run time. The virtual DTC function contains a sequence of instructions to type check every element (type) within an object's type hierarchy. The virtual DTC function is tailored for a particular type and thus conducts dynamic type checking more efficiently for objects of the particular type. For one embodiment the DTC function can complete type checking of interface type hierarchies. For one embodiment a compiler may determine whether a type is a class type or interface type and may generate a virtual DTC function only for interface types.
摘要翻译：描述了用于动态类型检查的方法和装置。对于一个实施例，运行时代码生成用于通过生成专用于不同对象类型的代码来实现动态类型检查。对于一个实施例，在运行时为每个对象生成虚拟动态类型检查（DTC）功能。虚拟DTC功能包含一系列指令，用于键入检查对象类型层次结构中的每个元素（类型）。虚拟DTC功能是针对特定类型量身定制的，因此对特定类型的对象进行更有效的动态类型检查。对于一个实施例，DTC功能可以完成接口类型层次的类型检查。对于一个实施例，编译器可以确定类型是类型还是接口类型，并且可以仅针对接口类型生成虚拟DTC功能。

8. 发明授权

US06292935B1 Method for fast translation of java byte codes into efficient native processor code 失效
标题翻译：将java字节代码快速转换为高效本机处理器代码的方法
公开(公告)号：US06292935B1
公开(公告)日：2001-09-18
申请号：US09087353
申请日：1998-05-29
申请人： Guei-Yuan Lueh , Ali-Reza Adl Tabatabai
发明人： Guei-Yuan Lueh , Ali-Reza Adl Tabatabai
IPC分类号： G06F945
CPC分类号： G06F9/45516
摘要： To efficient generate native processor code from operand stack based code, a mimic stack is introduced. The mimic stack is a compile time data structure that stores the location of operands pushed onto the operand stack. When an operation is detected that operates on operand stack values, the locations from the mimic stack are popped off and used to generate efficient code that directly accesses the operands.
摘要翻译：为了从基于操作数堆栈的代码生成本地处理器代码，引入了一个模拟堆栈。模拟堆栈是一种编译时数据结构，用于存储被压入操作数堆栈的操作数的位置。当检测到对操作数堆栈值进行操作的操作时，模拟堆栈的位置被弹出并用于生成直接访问操作数的有效代码。

9. 发明授权

US06928582B2 Method for fast exception handling 失效
标题翻译：快速异常处理的方法
公开(公告)号：US06928582B2
公开(公告)日：2005-08-09
申请号：US10039121
申请日：2002-01-04
申请人： Ali-Reza Adl-Tabatabai , Guei-Yuan Lueh , Tatiana Shpeisman
发明人： Ali-Reza Adl-Tabatabai , Guei-Yuan Lueh , Tatiana Shpeisman
IPC分类号： G06F9/318 , G06F9/38 , G06F9/48 , G06F11/00
CPC分类号： G06F9/4843 , G06F9/30181 , G06F9/3861 , G06F2209/481
摘要： A system and method for exception handling includes executing a first instruction. The first instruction then returns an exception. A program counter is used to determine the location of a second instruction. The second instruction includes a pointer to at least one exception handler.
摘要翻译：用于异常处理的系统和方法包括执行第一指令。第一条指令然后返回异常。程序计数器用于确定第二条指令的位置。第二条指令包括指向至少一个异常处理程序的指针。

10. 发明授权

US06317869B1 Method of run-time tracking of object references in Java programs 有权
标题翻译： Java程序中对象引用的运行时跟踪方法
公开(公告)号：US06317869B1
公开(公告)日：2001-11-13
申请号：US09587233
申请日：2000-06-02
申请人： Ali-Reza Adl-Tabatabai , Guei-Yuan Lueh
发明人： Ali-Reza Adl-Tabatabai , Guei-Yuan Lueh
IPC分类号： G06F944
CPC分类号： G06F9/45516 , G06F12/0253 , Y10S707/99953 , Y10S707/99957
摘要： Many programming languages utilize reference pointers in computer code. Furthermore, some of these programming languages perform memory management in the form of garbage collection. Once such language is Java. During the execution of a garbage collection routine, the computer may need to locate all the variables containing reference values. The present invention introduces a method for run-time tracking of object references in computer code and determining which variables contain references to objects at garbage collection sites. The method of the present invention first creates a bit vector in memory. The bit vector is then initialized. Second, each variable declared in the computer program that may be used to store a reference value is assigned a unique bit within this bit vector. Each bit is maintained to indicate whether the variable it is assigned to is currently storing a reference value. Specifically, when a variable is assigned a reference value, the corresponding bit in the bit vector is set. When a variable is assigned a non-reference value, the corresponding bit in the bit vector is cleared.
摘要翻译：许多编程语言都使用计算机代码中的参考指针。此外，这些编程语言中的一些以垃圾收集的形式执行内存管理。一旦这样的语言是Java。在执行垃圾回收程序期间，计算机可能需要定位包含引用值的所有变量。本发明引入了一种用于计算机代码中对象引用的运行时跟踪的方法，并且确定哪些变量包含对垃圾收集站点上的对象的引用。本发明的方法首先在存储器中产生位向量。然后初始化位向量。第二，在计算机程序中声明的可用于存储参考值的每个变量在该位向量中被分配一个唯一的位。维持每个位以指示其被分配的变量当前是否存储参考值。具体地说，当变量被赋予参考值时，位向量中的相应位被置位。当变量分配了非参考值时，位向量中的相应位将被清除。

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