GitHub user mpjlu opened a pull request:
https://github.com/apache/spark/pull/19536
[SPARK-6685][ML]Use DSYRK to compute AtA in ALS
## What changes were proposed in this pull request?
This is a reopen of PR: https://github.com/apache/spark/pull/13891 with
mima fix.
Please reference PR13891 for the performance result and discussion.
## How was this patch tested?
(Please explain how this patch was tested. E.g. unit tests, integration
tests, manual tests)
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mpjlu/spark 6658
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19536.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #19536
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commit 8fb4a82be98588795454127f4281363d105146f0
Author: hqzizania <[email protected]>
Date: 2016-06-24T06:26:31Z
add dsyrk to ALS
commit 7e3d238c62269f923832e7cba237f750082450a9
Author: hqzizania <[email protected]>
Date: 2016-06-24T16:28:57Z
implicitprefs ut fails fix
commit 3607bdcd22cf03c068e777a1927ee3d5da49045a
Author: hqzizania <[email protected]>
Date: 2016-06-28T13:51:55Z
use "while" loop instead of "for"
set stack size > 128 and comments added
commit 56194eb8dc3ea8c233dbb362eeb83af5091abcba
Author: hqzizania <[email protected]>
Date: 2016-06-29T10:57:57Z
add unit test for dostack ALS
commit dc4f4badba26635aa95c6ade5a589d4bd50ae886
Author: hqzizania <[email protected]>
Date: 2016-10-21T05:34:51Z
reset threshold values for doStack and remove UT
commit d29fd67a2a24675b7be2f7f51ba170fda11a85d7
Author: hqzizania <[email protected]>
Date: 2016-10-24T01:58:18Z
add threshold param to ALS
commit 294164d839b0ce191fee341b0eb82b81d506d8c8
Author: hqzizania <[email protected]>
Date: 2016-10-24T02:47:50Z
nit fix
commit 513e7915ecb807bc04ed8a17fdaa121e9ac578b5
Author: hqzizania <[email protected]>
Date: 2016-10-24T02:56:39Z
nit
commit f56b586092a24c1010326ed7f94b6b1eb427d378
Author: hqzizania <[email protected]>
Date: 2016-10-24T04:41:14Z
Merge remote-tracking branch 'origin/master' into ALSdsyrk
commit 1081e64c3fbd31c3d35b987b3200eae8c8c688e2
Author: hqzizania <[email protected]>
Date: 2016-10-24T04:44:52Z
mima fix
commit a6b5a16cd78e4efe99fda40f92592c9712b04146
Author: hqzizania <[email protected]>
Date: 2016-10-24T05:04:39Z
oops
commit 20774575ad51d2a10e47c8f8ee7581a1519ace6b
Author: hqzizania <[email protected]>
Date: 2016-10-25T17:28:45Z
solve mima failure
commit 061df755c80bbb050dcc85605f382b11e974f872
Author: Peng Meng <[email protected]>
Date: 2017-10-19T11:22:21Z
reopen SPARK-6685
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