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stridedmore about strided

strided


  2  definitions  found 
 
  From  Jargon  File  (4.2.3,  23  NOV  2000)  [jargon]: 
 
  strided  /stri:'d*d/  adj  [scientific  computing]  Said  of  a 
  sequence  of  memory  reads  and  writes  to  addresses,  each  of  which  is 
  separated  from  the  last  by  a  constant  interval  called  the  `stride  length'. 
  These  can  be  a  worst-case  access  pattern  for  the  standard  memory-caching 
  schemes  when  the  stride  length  is  a  multiple  of  the  cache  line  size. 
  Strided  references  are  often  generated  by  loops  through  an  array,  and 
  (if  your  data  is  large  enough  that  access-time  is  significant)  it  can 
  be  worthwhile  to  tune  for  better  locality  by  inverting  double  loops  or 
  by  partially  unrolling  the  outer  loop  of  a  loop  nest.  This  usage  is 
  borderline  techspeak  the  related  term  `memory  stride'  is  definitely 
  techspeak 
 
 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  strided 
 
  /str:'d*d/  (scientific  computing)  Said  of  a  sequence  of  memory 
  reads  and  writes  to  addresses,  each  of  which  is  separated  from 
  the  last  by  a  constant  interval  called  "the  stride  length",  or 
  just  "the  stride".  These  can  be  a  worst-case  access  pattern 
  for  {cache}  schemes  when  the  stride  length  is  a  multiple  of 
  the  {cache  line}  size. 
 
  Strided  references  are  often  generated  by  loops  through  an 
  {array},  and  (if  the  data  is  large  enough  that  access-time  is 
  significant)  it  can  be  worthwhile  to  tune  for  better  locality 
  by  inverting  double  loops  or  by  partially  unrolling  the  outer 
  loop  of  a  loop  nest. 
 
  [{Jargon  File}] 
 
  (1994-12-21) 
 
 




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