Could you maybe also give some examples for the input expected by your program?

Also, the residual DataSet contains several Vectors while the sum (or
old_sum) DataSet is always only contains 1 Vector. Correct?

On Tue, Oct 14, 2014 at 6:04 PM, Stephan Ewen <[email protected]> wrote:
> BTW: The current master allows you to not join with the solution set, and
> only use it to accumulate data.
>
> On Tue, Oct 14, 2014 at 5:29 PM, Maximilian Alber
> <[email protected]> wrote:
>>
>> Ok, that's possible too.
>>
>> VectorDataSet is just scala magic to ease my life (See below). If you want
>> to take a look, I appended the package. The main code is in BumpBoost.scala.
>> In util.scala is the vector stuff.
>> Thanks!
>>
>> class VectorDataSet(X: DataSet[Vector]){
>> def + (Y: DataSet[Vector]) = VectorDataSet.add(X, Y)
>> def - (Y: DataSet[Vector]) = VectorDataSet.subt(X, Y)
>> def * (Y: DataSet[Vector]) = VectorDataSet.mult(X, Y)
>> def / (Y: DataSet[Vector]) = VectorDataSet.div(X, Y)
>>
>> def zip(Y: DataSet[Vector]) = VectorDataSet.zip(X, Y)
>> def dot(Y: DataSet[Vector]) = VectorDataSet.dot(X, Y)
>> def sumV() = VectorDataSet.sumV(X)
>> }
>> object VectorDataSet {
>> def add(X1: DataSet[Vector], X2: DataSet[Vector]) = X1 zip X2 map {x =>
>> x._1 + x._2}
>> def subt(X1: DataSet[Vector], X2: DataSet[Vector]) = X1 zip X2 map {x =>
>> x._1 - x._2}
>> def mult(X1: DataSet[Vector], X2: DataSet[Vector]) = X1 zip X2 map {x =>
>> x._1 * x._2}
>> def div(X1: DataSet[Vector], X2: DataSet[Vector]) = X1 zip X2 map {x =>
>> x._1 / x._2}
>>
>> def zip(X1: DataSet[Vector], X2: DataSet[Vector]) = X1 join X2 where "id"
>> equalTo "id"
>> def dot(X1: DataSet[Vector], X2: DataSet[Vector]) = X1 * X2 sumV
>> def sumV(X1: DataSet[Vector]) = X1 reduce {_ + _}
>>
>> implicit def vectorDataSetWrapper(ds: DataSet[Vector]) = new
>> VectorDataSet(ds)
>> }
>>
>>
>> On Tue, Oct 14, 2014 at 5:21 PM, Aljoscha Krettek <[email protected]>
>> wrote:
>>>
>>> Maybe you could use the residual_2 data set as a broadcast dataset.
>>> i.e. make in available in the operation that adds the residual for the
>>> current iteration number to the old_sum. (I'm not sure what the
>>> VectorDataSet.add() method does here). If you gave me the complete
>>> code I could try finding an elegant solution to that problem.
>>>
>>> On Tue, Oct 14, 2014 at 5:15 PM, Stephan Ewen <[email protected]> wrote:
>>> > That is an interesting case. Everything that is loop invariant is
>>> > computed
>>> > once outside the loop. You are looking for a way to make this part of
>>> > the
>>> > loop.
>>> >
>>> > Can you try making the filter part of the "VectorDataSet.add(old_sum,
>>> > current)" operation?
>>> >
>>> > On Tue, Oct 14, 2014 at 5:05 PM, Maximilian Alber
>>> > <[email protected]> wrote:
>>> >>
>>> >> The deltaiteration calculates the cumulative sum (prefix sum) of
>>> >> residual_2.
>>> >>
>>> >> I'm not sure if got you idea. I could add residual_2 to the workset.
>>> >> But
>>> >> in that case I need to separate the "old_sum"(the sum up to now) and
>>> >> residual_2 each iteration. Actually I had that before, then I tried
>>> >> the
>>> >> Scala closure to clean up the code.
>>> >>
>>> >> On Tue, Oct 14, 2014 at 4:57 PM, Fabian Hueske <[email protected]>
>>> >> wrote:
>>> >>>
>>> >>> Jep, I see you point.
>>> >>> Conceptually, all data that changes and affects the result of an
>>> >>> iteration should be part of the workset.
>>> >>> Hence, the model kind of assumes that the datum "superStepNumber"
>>> >>> should
>>> >>> be part of the workset.
>>> >>>
>>> >>> I am not familiar with your application, but would it make sense to
>>> >>> add
>>> >>> the number as an additional attribute to the workset data set and
>>> >>> increase
>>> >>> it manually?
>>> >>>
>>> >>> 2014-10-14 16:45 GMT+02:00 Maximilian Alber
>>> >>> <[email protected]>:
>>> >>>>
>>> >>>> Ok, sounds true, but somehow I would like to execute it inside of
>>> >>>> it. So
>>> >>>> I probably need to do some nonsense work to make it part of it?
>>> >>>>
>>> >>>> On Tue, Oct 14, 2014 at 4:36 PM, Aljoscha Krettek
>>> >>>> <[email protected]>
>>> >>>> wrote:
>>> >>>>>
>>> >>>>> Dammit you beat me to it. But yes, this is exactly what I was just
>>> >>>>> writing.
>>> >>>>>
>>> >>>>> On Tue, Oct 14, 2014 at 4:35 PM, Fabian Hueske <[email protected]>
>>> >>>>> wrote:
>>> >>>>> > Hi,
>>> >>>>> >
>>> >>>>> > I'm not super familiar with the iterations, but my guess would be
>>> >>>>> > that the
>>> >>>>> > filter is not evaluated as part of the iteration.
>>> >>>>> > Since it is not connect to the workset, the filter is not part of
>>> >>>>> > the
>>> >>>>> > loop
>>> >>>>> > and evaluated once outside where no superset number is available.
>>> >>>>> > I guess, moving the filter outside of the loop gives the same
>>> >>>>> > error.
>>> >>>>> >
>>> >>>>> > Cheers, Fabian
>>> >>>>> >
>>> >>>>> >
>>> >>>>> >
>>> >>>>> > 2014-10-14 16:18 GMT+02:00 Maximilian Alber
>>> >>>>> > <[email protected]>:
>>> >>>>> >>
>>> >>>>> >> Hmm or maybe not. With this code I get some strange error:
>>> >>>>> >>
>>> >>>>> >> def createPlan_find_center(env: ExecutionEnvironment) = {
>>> >>>>> >> val X = env readTextFile config.xFile map
>>> >>>>> >> {Vector.parseFromString(config.dimensions, _)};
>>> >>>>> >> val residual = env readTextFile config.yFile map
>>> >>>>> >> {Vector.parseFromString(_)};
>>> >>>>> >> val randoms = env readTextFile config.randomFile map
>>> >>>>> >> {Vector.parseFromString(_)}
>>> >>>>> >>
>>> >>>>> >> val residual_2 = residual * residual
>>> >>>>> >> val ys = (residual_2 sumV) * (randoms filter {_.id == 0})
>>> >>>>> >>
>>> >>>>> >> val emptyDataSet = env.fromCollection[Vector](Seq())
>>> >>>>> >> val sumVector =
>>> >>>>> >> env.fromCollection(Seq(Vector.zeros(config.dimensions)))
>>> >>>>> >> val cumSum = emptyDataSet.iterateDelta(sumVector, config.N,
>>> >>>>> >> Array("id")) {
>>> >>>>> >>     (solutionset, old_sum) =>
>>> >>>>> >>     val current = residual_2 filter (new
>>> >>>>> >> RichFilterFunction[Vector]{
>>> >>>>> >>       def filter(x: Vector) = x.id ==
>>> >>>>> >> (getIterationRuntimeContext.getSuperstepNumber)
>>> >>>>> >>     })
>>> >>>>> >>     val sum = VectorDataSet.add(old_sum, current)
>>> >>>>> >>
>>> >>>>> >>     (sum map (new RichMapFunction[Vector, Vector]{
>>> >>>>> >>       def map(x: Vector) = new
>>> >>>>> >> Vector(getIterationRuntimeContext.getSuperstepNumber, x.values)
>>> >>>>> >>     }),
>>> >>>>> >>     sum)
>>> >>>>> >> }
>>> >>>>> >>
>>> >>>>> >> Error:
>>> >>>>> >> 10/14/2014 15:57:35: Job execution switched to status RUNNING
>>> >>>>> >> 10/14/2014 15:57:35: DataSource ([-1 0.0]) (1/1) switched to
>>> >>>>> >> SCHEDULED
>>> >>>>> >> 10/14/2014 15:57:35: DataSource ([-1 0.0]) (1/1) switched to
>>> >>>>> >> DEPLOYING
>>> >>>>> >> 10/14/2014 15:57:35: DataSource ([]) (1/1) switched to SCHEDULED
>>> >>>>> >> 10/14/2014 15:57:35: DataSource ([]) (1/1) switched to DEPLOYING
>>> >>>>> >> 10/14/2014 15:57:35: CHAIN DataSource (TextInputFormat
>>> >>>>> >> (/tmp/tmpBhOsLd) -
>>> >>>>> >> UTF-8) -> Map (org.apache.flink.api.scala.DataSet$$anon$1) (1/1)
>>> >>>>> >> switched to
>>> >>>>> >> SCHEDULED
>>> >>>>> >> 10/14/2014 15:57:35: CHAIN DataSource (TextInputFormat
>>> >>>>> >> (/tmp/tmpBhOsLd) -
>>> >>>>> >> UTF-8) -> Map (org.apache.flink.api.scala.DataSet$$anon$1) (1/1)
>>> >>>>> >> switched to
>>> >>>>> >> DEPLOYING
>>> >>>>> >> 10/14/2014 15:57:35: DataSource ([-1 0.0]) (1/1) switched to
>>> >>>>> >> RUNNING
>>> >>>>> >> 10/14/2014 15:57:35: IterationHead(WorksetIteration (Unnamed
>>> >>>>> >> Delta
>>> >>>>> >> Iteration)) (1/1) switched to SCHEDULED
>>> >>>>> >> 10/14/2014 15:57:35: IterationHead(WorksetIteration (Unnamed
>>> >>>>> >> Delta
>>> >>>>> >> Iteration)) (1/1) switched to DEPLOYING
>>> >>>>> >> 10/14/2014 15:57:35: CHAIN DataSource (TextInputFormat
>>> >>>>> >> (/tmp/tmpBhOsLd) -
>>> >>>>> >> UTF-8) -> Map (org.apache.flink.api.scala.DataSet$$anon$1) (1/1)
>>> >>>>> >> switched to
>>> >>>>> >> RUNNING
>>> >>>>> >> 10/14/2014 15:57:35: DataSource ([]) (1/1) switched to RUNNING
>>> >>>>> >> 10/14/2014 15:57:35: IterationHead(WorksetIteration (Unnamed
>>> >>>>> >> Delta
>>> >>>>> >> Iteration)) (1/1) switched to RUNNING
>>> >>>>> >> 10/14/2014 15:57:35: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) -> Filter
>>> >>>>> >> (bumpboost.BumpBoost$$anonfun$8$$anon$1) (1/1) switched to
>>> >>>>> >> SCHEDULED
>>> >>>>> >> 10/14/2014 15:57:35: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) -> Filter
>>> >>>>> >> (bumpboost.BumpBoost$$anonfun$8$$anon$1) (1/1) switched to
>>> >>>>> >> DEPLOYING
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) (1/1) switched to
>>> >>>>> >> SCHEDULED
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) (1/1) switched to
>>> >>>>> >> DEPLOYING
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) -> Filter
>>> >>>>> >> (bumpboost.BumpBoost$$anonfun$8$$anon$1) (1/1) switched to
>>> >>>>> >> RUNNING
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) (1/1) switched to
>>> >>>>> >> RUNNING
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) -> Filter
>>> >>>>> >> (bumpboost.BumpBoost$$anonfun$8$$anon$1) (1/1) switched to
>>> >>>>> >> FAILED
>>> >>>>> >> java.lang.IllegalStateException: This stub is not part of an
>>> >>>>> >> iteration
>>> >>>>> >> step function.
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.api.common.functions.AbstractRichFunction.getIterationRuntimeContext(AbstractRichFunction.java:59)
>>> >>>>> >> at
>>> >>>>> >> bumpboost.BumpBoost$$anonfun$8$$anon$1.filter(BumpBoost.scala:40)
>>> >>>>> >> at
>>> >>>>> >> bumpboost.BumpBoost$$anonfun$8$$anon$1.filter(BumpBoost.scala:39)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.api.java.operators.translation.PlanFilterOperator$FlatMapFilter.flatMap(PlanFilterOperator.java:47)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.chaining.ChainedFlatMapDriver.collect(ChainedFlatMapDriver.java:79)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.chaining.ChainedMapDriver.collect(ChainedMapDriver.java:78)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5.join(joinDataSet.scala:184)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.hash.BuildFirstHashMatchIterator.callWithNextKey(BuildFirstHashMatchIterator.java:140)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.MatchDriver.run(MatchDriver.java:148)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:484)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:359)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:235)
>>> >>>>> >> at java.lang.Thread.run(Thread.java:745)
>>> >>>>> >>
>>> >>>>> >> 10/14/2014 15:57:36: Job execution switched to status FAILING
>>> >>>>> >> 10/14/2014 15:57:36: DataSource ([]) (1/1) switched to CANCELING
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN DataSource (TextInputFormat
>>> >>>>> >> (/tmp/tmpBhOsLd) -
>>> >>>>> >> UTF-8) -> Map (org.apache.flink.api.scala.DataSet$$anon$1) (1/1)
>>> >>>>> >> switched to
>>> >>>>> >> CANCELING
>>> >>>>> >> 10/14/2014 15:57:36: DataSource ([-1 0.0]) (1/1) switched to
>>> >>>>> >> CANCELING
>>> >>>>> >> 10/14/2014 15:57:36: IterationHead(WorksetIteration (Unnamed
>>> >>>>> >> Delta
>>> >>>>> >> Iteration)) (1/1) switched to CANCELING
>>> >>>>> >> 10/14/2014 15:57:36: Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1)
>>> >>>>> >> (1/1) switched to CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: DataSink(TextOutputFormat (/tmp/tmplSYJ7S)
>>> >>>>> >> -
>>> >>>>> >> UTF-8)
>>> >>>>> >> (1/1) switched to CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: Sync (WorksetIteration (Unnamed Delta
>>> >>>>> >> Iteration))
>>> >>>>> >> (1/1) switched to CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) (1/1) switched to
>>> >>>>> >> CANCELING
>>> >>>>> >> 10/14/2014 15:57:36: Map
>>> >>>>> >> (bumpboost.BumpBoost$$anonfun$8$$anon$2)
>>> >>>>> >> (1/1)
>>> >>>>> >> switched to CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: SolutionSet Delta (1/1) switched to
>>> >>>>> >> CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: DataSource ([]) (1/1) switched to CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN DataSource (TextInputFormat
>>> >>>>> >> (/tmp/tmpBhOsLd) -
>>> >>>>> >> UTF-8) -> Map (org.apache.flink.api.scala.DataSet$$anon$1) (1/1)
>>> >>>>> >> switched to
>>> >>>>> >> CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: DataSource ([-1 0.0]) (1/1) switched to
>>> >>>>> >> CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: CHAIN
>>> >>>>> >> Join(org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5)
>>> >>>>> >> ->
>>> >>>>> >> Map
>>> >>>>> >> (org.apache.flink.api.scala.DataSet$$anon$1) (1/1) switched to
>>> >>>>> >> CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: IterationHead(WorksetIteration (Unnamed
>>> >>>>> >> Delta
>>> >>>>> >> Iteration)) (1/1) switched to CANCELED
>>> >>>>> >> 10/14/2014 15:57:36: Job execution switched to status FAILED
>>> >>>>> >> Error: The program execution failed:
>>> >>>>> >> java.lang.IllegalStateException: This
>>> >>>>> >> stub is not part of an iteration step function.
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.api.common.functions.AbstractRichFunction.getIterationRuntimeContext(AbstractRichFunction.java:59)
>>> >>>>> >> at
>>> >>>>> >> bumpboost.BumpBoost$$anonfun$8$$anon$1.filter(BumpBoost.scala:40)
>>> >>>>> >> at
>>> >>>>> >> bumpboost.BumpBoost$$anonfun$8$$anon$1.filter(BumpBoost.scala:39)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.api.java.operators.translation.PlanFilterOperator$FlatMapFilter.flatMap(PlanFilterOperator.java:47)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.chaining.ChainedFlatMapDriver.collect(ChainedFlatMapDriver.java:79)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.chaining.ChainedMapDriver.collect(ChainedMapDriver.java:78)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.api.scala.UnfinishedJoinOperation$$anon$5.join(joinDataSet.scala:184)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.hash.BuildFirstHashMatchIterator.callWithNextKey(BuildFirstHashMatchIterator.java:140)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.MatchDriver.run(MatchDriver.java:148)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:484)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:359)
>>> >>>>> >> at
>>> >>>>> >>
>>> >>>>> >>
>>> >>>>> >> org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:235)
>>> >>>>> >> at java.lang.Thread.run(Thread.java:745)
>>> >>>>> >>
>>> >>>>> >> On Tue, Oct 14, 2014 at 3:32 PM, Maximilian Alber
>>> >>>>> >> <[email protected]> wrote:
>>> >>>>> >>>
>>> >>>>> >>> Should work now.
>>> >>>>> >>> Cheers
>>> >>>>> >>>
>>> >>>>> >>> On Fri, Oct 10, 2014 at 3:38 PM, Maximilian Alber
>>> >>>>> >>> <[email protected]> wrote:
>>> >>>>> >>>>
>>> >>>>> >>>> Ok, thanks.
>>> >>>>> >>>> Please let me know when it is fixed.
>>> >>>>> >>>>
>>> >>>>> >>>> Cheers
>>> >>>>> >>>> Max
>>> >>>>> >>>>
>>> >>>>> >>>> On Fri, Oct 10, 2014 at 1:34 PM, Stephan Ewen
>>> >>>>> >>>> <[email protected]>
>>> >>>>> >>>> wrote:
>>> >>>>> >>>>>
>>> >>>>> >>>>> Thank you, I will look into that...
>>> >>>>> >>>>
>>> >>>>> >>>>
>>> >>>>> >>>
>>> >>>>> >>
>>> >>>>> >
>>> >>>>
>>> >>>>
>>> >>>
>>> >>
>>> >
>>
>>
>

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