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公开(公告)号：US08635180B2
公开(公告)日：2014-01-21
申请号：US13021757
申请日：2011-02-06
IPC分类号： G06N5/04
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 定义模式上下文集的正则表达式集合被编译为生成由PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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公开(公告)号：US08495334B2
公开(公告)日：2013-07-23
申请号：US13021756
申请日：2011-02-06
IPC分类号： G06F12/10
CPC分类号： G06F17/30985 , G06F12/10
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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公开(公告)号：US20120204000A1
公开(公告)日：2012-08-09
申请号：US13021756
申请日：2011-02-06
IPC分类号： G06F12/10
CPC分类号： G06F17/30985 , G06F12/10
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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公开(公告)号：US20120203729A1
公开(公告)日：2012-08-09
申请号：US13021757
申请日：2011-02-06
IPC分类号： G06N5/02
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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5.发明授权公开(公告)号：US08402003B2
公开(公告)日：2013-03-19
申请号：US13022904
申请日：2011-02-08
IPC分类号： G06F17/30
CPC分类号： G06F17/30985
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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公开(公告)号：US08799188B2
公开(公告)日：2014-08-05
申请号：US13023003
申请日：2011-02-08
IPC分类号： G06F15/18
CPC分类号： G06N5/025
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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公开(公告)号：US08447749B2
公开(公告)日：2013-05-21
申请号：US13022967
申请日：2011-02-08
IPC分类号： G06F17/30
CPC分类号： G06F17/30985 , G06F11/1402
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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公开(公告)号：US20120203756A1
公开(公告)日：2012-08-09
申请号：US13022967
申请日：2011-02-08
IPC分类号： G06F17/30
CPC分类号： G06F17/30985 , G06F11/1402
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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9.发明申请公开(公告)号：US20120203754A1
公开(公告)日：2012-08-09
申请号：US13022904
申请日：2011-02-08
CPC分类号： G06F17/30985
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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公开(公告)号：US20120203761A1
公开(公告)日：2012-08-09
申请号：US13022850
申请日：2011-02-08
IPC分类号： G06F17/30
CPC分类号： G06F17/30985 , G06K9/00986
摘要： A pattern matching accelerator (PMA) for assisting software threads to find the presence and location of strings in an input data stream that match a given pattern. The patterns are defined using regular expressions that are compiled into a data structure comprised of rules subsequently processed by the PMA. The patterns to be searched in the input stream are defined by the user as a set of regular expressions. The patterns to be searched are grouped in pattern context sets. The sets of regular expressions which define the pattern context sets are compiled to generate a rules structure used by the PMA hardware. The rules are compiled before search run time and stored in main memory, in rule cache memory within the PMA or a combination thereof. For each input character, the PMA executes the search and returns the search results.
摘要翻译： 模式匹配加速器（PMA），用于帮助软件线程查找匹配给定模式的输入数据流中字符串的存在和位置。 使用正则表达式定义模式，该正则表达式被编译成由PMA随后处理的规则组成的数据结构。 在输入流中要搜索的模式由用户定义为一组正则表达式。 要搜索的模式分组在模式上下文集中。 编译定义模式上下文集的正则表达式集合，以生成PMA硬件使用的规则结构。 该规则在搜索运行时间之前被编译并存储在主存储器中，在PMA内的规则高速缓冲存储器中或其组合中。 对于每个输入字符，PMA执行搜索并返回搜索结果。
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