[jira] [Work logged] (MAHOUT-878) Provide better examples for the parallel ALS recommender code

[ASF GitHub Bot (Jira)]

     [ 
https://issues.apache.org/jira/browse/MAHOUT-878?focusedWorklogId=1000943&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1000943
 ]

ASF GitHub Bot logged work on MAHOUT-878:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 20/Jan/26 10:13
            Start Date: 20/Jan/26 10:13
    Worklog Time Spent: 10m 
      Work Description: ryankert01 commented on PR #881:
URL: https://github.com/apache/mahout/pull/881#issuecomment-3772075605

   ```
     ⎿  ============================================================            
                                                             
        CUDA Tensor Encoding Speed Comparison                                   
                                                             
        ============================================================            
                                                             
        Batch=  100, Features=  64 | CPU:    0.30ms | CUDA:    0.12ms | 
Speedup: 2.45x                                                       
        Batch=  100, Features= 256 | CPU:    0.21ms | CUDA:    0.46ms | 
Speedup: 0.45x                                                       
        Batch=  100, Features=1024 | CPU:    0.67ms | CUDA:    0.17ms | 
Speedup: 3.94x                                                       
        Batch= 1000, Features=  64 | CPU:    3.82ms | CUDA:    0.48ms | 
Speedup: 7.93x                                                       
        Batch= 1000, Features= 256 | CPU:    2.90ms | CUDA:    0.26ms | 
Speedup: 11.18x                                                      
        Batch= 1000, Features=1024 | CPU:    6.11ms | CUDA:    0.57ms | 
Speedup: 10.78x                                                      
        Batch=10000, Features=  64 | CPU:    4.26ms | CUDA:    2.03ms | 
Speedup: 2.10x                                                       
        Batch=10000, Features= 256 | CPU:   10.09ms | CUDA:    4.78ms | 
Speedup: 2.11x                                                       
        Batch=10000, Features=1024 | CPU:   27.10ms | CUDA:   10.42ms | 
Speedup: 2.60x                                                       
        ============================================================   
   ```




Issue Time Tracking
-------------------

    Worklog Id:     (was: 1000943)
    Time Spent: 0.5h  (was: 20m)

> Provide better examples for the parallel ALS recommender code
> -------------------------------------------------------------
>
>                 Key: MAHOUT-878
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-878
>             Project: Mahout
>          Issue Type: Task
>    Affects Versions: 1.0.0
>            Reporter: Sebastian Schelter
>            Assignee: Sebastian Schelter
>            Priority: Major
>             Fix For: 0.6
>
>         Attachments: MAHOUT-878.patch
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> We should provide examples that show how to apply the parallel ALS 
> recommender to the Netflix or KDD2011 datasets.



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