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Matthias Boehm edited comment on SYSTEMML-2403 at 6/22/18 7:20 PM: ------------------------------------------------------------------- I just ran this scenario several times with different numbers of workers but was not able to reproduce this (I always get {{Val Accuracy: 0.8915}}). Maybe a previous change fixed some side effect? Let's keep this task open for now - if we don't encounter this issue again in the next weeks, we can close it. was (Author: mboehm7): I just ran this scenario several times with different numbers of workers but was not able to reproduce this (I always get {{Val Accuracy: 0.8915}}). Maybe a previous change fixes some side effect? Let's keep this task open for now - if we don't encounter this issue again in the next weeks, we can close it. > Paramserv low accuracy sometimes occurred > ----------------------------------------- > > Key: SYSTEMML-2403 > URL: https://issues.apache.org/jira/browse/SYSTEMML-2403 > Project: SystemML > Issue Type: Bug > Reporter: LI Guobao > Assignee: LI Guobao > Priority: Major > > We could observe that the low accuracy will sometimes occurred. Here is the > scenario: _BSP, BATCH, DISJOINT_CONTIGUOUS (or DISJOINT_RANDOM)_ with _1 > epoch, 4 workers (I have 4 vcores in my machine) and batchSize 16_ using 60k > minist. > {code:java} > Val Loss: 2.3006845853187783 > Val Accuracy: 0.11183333333333334 > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)