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https://issues.apache.org/jira/browse/UIMA-4685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018883#comment-15018883
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Richard Eckart de Castilho commented on UIMA-4685:
--------------------------------------------------

Ok, here the extended test including read and write performance (done on a 
Macbook Pro with SSD). 

{noformat}
=== performanceTest =====================
Generating test data... done
--------------------------------------------
Format S - no compression
  Measuring WRITE
  Measuring READ
               WRITE               READ
  Repeat         100 times        100 times
  Total          441 ms          1460 ms
  Mean             4 ms            15 ms
  Min              3 ms            11 ms
  Max             36 ms            55 ms
  Size        930190 bytes
--------------------------------------------
Format S+ - no compression
  Measuring WRITE
  Measuring READ
               WRITE               READ
  Repeat         100 times        100 times
  Total          450 ms          1198 ms
  Mean             5 ms            12 ms
  Min              3 ms            10 ms
  Max             16 ms            18 ms
  Size        947234 bytes
--------------------------------------------
Format 0 - no compression
  Measuring WRITE
  Measuring READ
               WRITE               READ
  Repeat         100 times        100 times
  Total       125725 ms           767 ms
  Mean          1257 ms             8 ms
  Min           1208 ms             6 ms
  Max           1310 ms            29 ms
  Size        920228 bytes
--------------------------------------------
Format 4 - no compression
  Measuring WRITE
  Measuring READ
               WRITE               READ
  Repeat         100 times        100 times
  Total         1781 ms          3113 ms
  Mean            18 ms            31 ms
  Min             14 ms            27 ms
  Max             63 ms            59 ms
  Size        146362 bytes
--------------------------------------------
Format 6 - no compression
  Measuring WRITE
  Measuring READ
               WRITE               READ
  Repeat         100 times        100 times
  Total         2197 ms          3293 ms
  Mean            22 ms            33 ms
  Min             19 ms            29 ms
  Max             87 ms            67 ms
  Size        146359 bytes
--------------------------------------------
Format 6+ - no compression
  Measuring WRITE
  Measuring READ
               WRITE               READ
  Repeat         100 times        100 times
  Total         2127 ms          3471 ms
  Mean            21 ms            35 ms
  Min             18 ms            31 ms
  Max             29 ms            41 ms
  Size        163300 bytes
-------------------------------------------- 
{noformat}

> Support different CAS serializations in CAS Editor
> --------------------------------------------------
>
>                 Key: UIMA-4685
>                 URL: https://issues.apache.org/jira/browse/UIMA-4685
>             Project: UIMA
>          Issue Type: New Feature
>          Components: CasEditor
>    Affects Versions: 2.8.1SDK
>            Reporter: Peter Klügl
>         Attachments: caseditor.csv, caseditor_bincas.csv
>
>
> Support different CAS serializations in CAS Editor. Some recent profiling 
> revealed that, when opening a 35MB xmiCAS, the CAS Editor spends about 70% of 
> its time for deserializing.



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