US2004215924A1PendingUtilityA1

Analyzing stored data

45
Priority: Apr 28, 2003Filed: Apr 28, 2003Published: Oct 28, 2004
Est. expiryApr 28, 2023(expired)· nominal 20-yr term from priority
Inventors:Jean-Francois Collard
G06F 9/30036G06F 9/30021G06F 9/30109
45
PatentIndex Score
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Cited by
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Claims

Abstract

A method of locating a target value includes loading the target value into elements of a first register. The first register includes N elements (N>0). The method also includes indicating in elements of a second register, which includes N elements corresponding to the first register, whether a corresponding element from data storage matches a corresponding element of the first register.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A method of locating a target value, comprising: 
 loading the target value into elements of a first register, the first register comprising N elements (N>0); and    indicating in elements of a second register, comprising N elements corresponding to the first register, whether a corresponding element from data storage matches a corresponding element of the first register.    
     
     
         2 . The method of  claim 1 , further comprising: 
 indicating a position of at least one element in the data storage containing the target value based on the contents of the second register.    
     
     
         3 . The method of  claim 1 , further comprising: 
 indicating a position of a least significant element containing the target value.    
     
     
         4 . The method of  claim 1 , further comprising: 
 taking a complement of the second register; and    loading the complement of the second register into a third register comprising corresponding N elements.    
     
     
         5 . The method of  claim 1 , further comprising: 
 overwriting the second register with its complement.    
     
     
         6 . A method of verifying if an initial extrema value is valid, comprising: 
 loading the initial extrema value into elements of a first register, the first register comprising N elements (N>0); and    indicating in a second register, comprising N elements, the extrema values between corresponding elements in data storage and corresponding elements in the first register.    
     
     
         7 . The method of  claim 6 , further comprising: 
 indicating when an initial extrema value is invalid.    
     
     
         8 . The method of  claim 7 , wherein the extrema value comprises a maximum; and 
 wherein indicating comprises determining if an element in the second register is greater than the initial extrema value.    
     
     
         9 . The method of  claim 6 , wherein the initial extrema value is determined by a user.  
     
     
         10 . The method of  claim 6 , wherein the initial extrema value is determined by a compiler.  
     
     
         11 . An apparatus comprising: 
 circuitry, for locating a value, to:    load the target value into elements of a first register, the first register comprising N elements (N>0); and    indicate in elements of a second register, comprising N elements corresponding to the first register, whether a corresponding element from data storage matches a corresponding element of the first register.    
     
     
         12 . The apparatus of  claim 11 , further comprising circuitry to: 
 indicate a position of at least one element in the data storage containing the target value based on the contents of the second register.    
     
     
         13 . The apparatus of  claim 11 , further comprising circuitry to: 
 indicate a position of a least significant element containing the target value.    
     
     
         14 . The apparatus of  claim 11 , further comprising circuitry to: 
 take a complement of the second register; and    load the complement of the second register into a third register comprising corresponding N elements.    
     
     
         15 . The apparatus of  claim 11 , further comprising circuitry to: 
 overwrite the second register with its complement.    
     
     
         16 . An apparatus comprising: 
 circuitry, for locating a value, to:    load the initial extrema value into elements of a first register, the first register comprising N elements (N>0); and    indicate in a second register, comprising N elements, the extrema values between corresponding elements in data storage and corresponding elements in the first register.    
     
     
         17 . The apparatus of  claim 16 , further comprising circuitry to: 
 indicate when an initial extrema value is invalid.    
     
     
         18 . The apparatus of  claim 17 , wherein the extrema value comprises a maximum; and 
 wherein indicating comprises determining if an element in the second register is greater than the initial extrema value.    
     
     
         19 . The apparatus of  claim 16 , wherein the initial extrema value is determined by a user.  
     
     
         20 . The apparatus of  claim 16 , wherein the initial extrema value is determined by a compiler.  
     
     
         21 . An article comprising a machine-readable medium that stores executable instructions for locating data, the instructions causing a machine to: 
 load the target value into elements of a first register, the first register comprising N elements (N>0); and    indicate in elements of a second register, comprising N elements corresponding to the first register, whether a corresponding element from data storage matches a corresponding element of the first register.    
     
     
         22 . The article of  claim 21 , further comprising instructions causing a machine to: 
 indicate a position of at least one element in the data storage containing the target value based on the contents of the second register.    
     
     
         23 . The article of  claim 21 , further comprising instructions causing a machine to: 
 indicate a position of a least significant element containing the target value.    
     
     
         24 . The article of  claim 21 , further comprising instructions causing a machine to: 
 take a complement of the second register; and    load the complement of the second register into a third register comprising corresponding N elements.    
     
     
         25 . The article of  claim 21 , further comprising instructions causing a machine to: 
 overwrite the second register with its complement.    
     
     
         26 . An article comprising a machine-readable medium that stores executable instructions for locating data, the instructions causing a machine to: 
 load the initial extrema value into elements of a first register, the first register comprising N elements (N>0); and    indicate in a second register, comprising N elements, the extrema values between corresponding elements in data storage and corresponding elements in the first register.    
     
     
         27 . The article of  claim 26 , further comprising instructions causing a machine to: 
 indicate when an initial extrema value is invalid.    
     
     
         28 . The article of  claim 27 , wherein the extrema value comprises a maximum; and 
 wherein indicating comprises determining if an element in the second register is greater than the initial extrema value.    
     
     
         29 . The article of  claim 26 , wherein the initial extrema value is determined by a user.  
     
     
         30 . The article of  claim 26 , wherein the initial extrema value is determined by a compiler.  
     
     
         31 . A system, comprising: 
 at least one processor;    memory; and    logic coupled to the processing device and the memory, usable by the at least one processor to:    load a target value into elements of a first register, the first register comprising N elements (N>);    indicate in elements of a second register, comprising N elements corresponding to the first register, whether a corresponding element from data storage matches a corresponding element of the first register;    load the initial extrema value into elements of a third register, the third register comprising N elements (N>0); and    indicate in a fourth register, comprising N elements, the extrema values between corresponding elements in data storage and corresponding elements in the third register.    
     
     
         32 . The system of  claim 31  wherein the first register is the third register and the second register is the fourth register.  
     
     
         33 . The system of  claim 31 , further comprising logic to: 
 indicate a position of at least one element in the data storage containing the target value based on the contents of the second register.    
     
     
         34 . The system of  claim 31 , further comprising logic to: 
 indicate when an initial extrema value is invalid.

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