diff options
| -rw-r--r-- | cmso-optimizer/etc/config/optimizer.properties | 7 | ||||
| -rw-r--r-- | cmso-optimizer/pom.xml | 5 | ||||
| -rw-r--r-- | cmso-optimizer/scripts/minizinc/generic_attributes.mzn | 199 |
3 files changed, 210 insertions, 1 deletions
diff --git a/cmso-optimizer/etc/config/optimizer.properties b/cmso-optimizer/etc/config/optimizer.properties index ac39ec8..641bbeb 100644 --- a/cmso-optimizer/etc/config/optimizer.properties +++ b/cmso-optimizer/etc/config/optimizer.properties @@ -46,4 +46,9 @@ logging.level.org.hibernate=TRACE cmso.topology.create.request.url=http://127.0.0.1:7998/topology/v1/current cmso.ticket.create.request.url=http://127.0.0.1:7999/ticketmgt/v1/activetickets -cmso.local.policy.folder=data/policies
\ No newline at end of file +cmso.local.policy.folder=data/policies + +cmso.minizinc.command.exe="C:/Program Files/MiniZinc IDE (bundled)/minizinc.exe" +cmso.minizinc.command.solver=OSICBC +cmso.minizinc.command.timelimit=60000 +cmso.minizinc.command.mzn=scripts/minizinc/generic_attributes.mzn diff --git a/cmso-optimizer/pom.xml b/cmso-optimizer/pom.xml index b609de5..2ede9e7 100644 --- a/cmso-optimizer/pom.xml +++ b/cmso-optimizer/pom.xml @@ -141,6 +141,11 @@ <artifactId>httpclient</artifactId> </dependency> <dependency> + <groupId>commons-io</groupId> + <artifactId>commons-io</artifactId> + <version>2.6</version> + </dependency> + <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <scope>test</scope> diff --git a/cmso-optimizer/scripts/minizinc/generic_attributes.mzn b/cmso-optimizer/scripts/minizinc/generic_attributes.mzn new file mode 100644 index 0000000..af38df9 --- /dev/null +++ b/cmso-optimizer/scripts/minizinc/generic_attributes.mzn @@ -0,0 +1,199 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% element scheduling problem +%% Modified on Mar 08, 2019 +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Required (core) parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% Number of elements. +int: numElements; + +% Number of loaders/engineers. +int: numLoaders; + +% Index of last possible time-slot for scheduling These time slots can be +% minutes, hours, or nights. E.g., if scheduling happens at the granularity of +% nights, 1st night is counted as 1, 2nd night counted as 2, and so on. OTOH, +% if we have 6 hours each night and we are scheduling at the granularity of +% hours, 1st hour of 1st night is 1, 1st hour of 2nd night is 7, and so on. +int: maxTime; + +% TRUE, if i-th element does NOT have a conflict on j-th timeslot/night. +array[1..numElements, 1..maxTime] of bool: noConflict; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Optional parameters (defined via policy) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Each attribute is composed of 3 parameters that must be supplied. When an +% attribute is selected, all parameters related to it must be given. + +%%%%%%%%%%%%%%%%%%%% +% Timeslots / nights capacities +%%%%%%%%%%%%%%%%%%%% + +% Maximum number of elements that can be scheduled on j-th timeslot/night. +array[1..maxTime] of 0..numElements: elementSlotCapacity; + +%%%%%%%%%%%%%%%%%%%% +% Loader capacities +%%%%%%%%%%%%%%%%%%%% + +% Maximum number of elements that can be assigned to the j-th loader per +% timeslot/night. +array[1..numLoaders, 1..maxTime] of 0..numElements: loaderCapacity; + +%%%%%%%%%%%%%%%%%%%% +% Attribute matrix +%%%%%%%%%%%%%%%%%%%% + +% Number of attributes for wach node, e.g., hardware, software, oss, market, +% pool, etc. +int: numAttributes; + +% Assume that i-th attribute has a range 0..attribute_range[i]. +% Assume that 0 indicates NA. E.g, we may have pools and a node +% that does not belong to any pools will have 'pool attribute = 0 +% when we write constraints, we only consider attribute values >= 1. +array[1..numAttributes] of int: attributesRange; + +% The attribute matrix that holds values of each attribute for a element. +array[1..numElements, 1..numAttributes] of int: attributes; + +% Maximum number of nodes per time-slot that match on a given attribute. +array[1..numAttributes, 1..maxTime] of int: attributeConcurrencyLimit; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Variables +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% TRUE, if i-th element gets scheduled on j-th night. +array[1..numElements, 1..maxTime] of var bool: ELEMENT2TIMESLOT; + +% TRUE, if i-th element gets scheduled to j-th loader. +array[1..numElements, 1..numLoaders] of var bool: ELEMENT2LOADER; + +% Indicates the time slot (nigth) in which the elements were scheduled. +array[1..numElements] of var 0..maxTime: SCHEDULED_SLOT = + [sum(j in 1..maxTime)(j * bool2int(ELEMENT2TIMESLOT[i,j])) | i in 1..numElements]; + +% Indicates the loader for which the elements were scheduled. +array[1..numElements] of var 0..numLoaders: SCHEDULED_LOADER = + [sum(l in 1..numLoaders)(l * bool2int(ELEMENT2LOADER[i,l])) | i in 1..numElements]; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Constraints +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Required (core) constraints +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% Schedule only on noConclict nights. +constraint +forall(i in 1..numElements, j in 1..maxTime)( + ELEMENT2TIMESLOT[i,j] -> noConflict[i,j] +); + +% Schedule a element to a loader +constraint +forall(i in 1..numElements)( + sum(t in 1..maxTime)(bool2int(ELEMENT2TIMESLOT[i,t])) == + sum(l in 1..numLoaders)(bool2int(ELEMENT2LOADER[i,l])) +); + +% Schedule each element exactly one timeslot/night (or none). +constraint +forall(i in 1..numElements)( + sum(j in 1..maxTime)(bool2int(ELEMENT2TIMESLOT[i,j])) <= 1 +); + +% Schedule each element exactly one loader (or none). +constraint +forall(i in 1..numElements)( + sum(j in 1..numLoaders)(bool2int(ELEMENT2LOADER[i,j])) <= 1 +); + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Optional constraints (defined via policy) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%These constraints are defined via policy and require sets of parameters also +%defined via policy. They must be both available. + +%%%%%%%%%%%%%%%%%%%% +% General capacity constraints +%%%%%%%%%%%%%%%%%%%% + +% Satisfy element timeslot/nightly capacity. +constraint +forall(j in 1..maxTime)( + sum(i in 1..numElements)(bool2int(ELEMENT2TIMESLOT[i,j])) <= elementSlotCapacity[j] +); + +% Satisfy loader/timeslot capacity. +constraint +forall(l in 1..numLoaders, t in 1..maxTime)( + sum(i in 1..numElements)( + bool2int(ELEMENT2LOADER[i,l] /\ ELEMENT2TIMESLOT[i,t]) + ) <= loaderCapacity[l,t] +); + +%%%%%%%%%%%%%%%%%%%% +% Attribute capacity constraints +%%%%%%%%%%%%%%%%%%%% + +% For attribute a and timeslot/night t, limits the number of elements having +% the same value for attribute k, scheduled in the same timeslot/night t. +constraint +forall(t in 1..maxTime, a in 1..numAttributes)( + forall(m in 1..attributesRange[a])( + sum(i in 1..numElements)( + bool2int(attributes[i,a] == m /\ ELEMENT2TIMESLOT[i,t]) + ) <= attributeConcurrencyLimit[a,t] + ) +); + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Objective function +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% Computes the number of scheduled elements. +var int: NUM_SCHEDULED = sum(i in 1..numElements)(bool2int(SCHEDULED_SLOT[i] > 0)); + +% Computes the (average) completion time of all elements. Note that average is +% just a simple division by a constant, and it can be dropped from the model +% for robusteness. +var int: TOTAL_COMPLETION_TIME = sum(i in 1..numElements)(SCHEDULED_SLOT[i]); + +% First, maximize the number of scheduled elements (using a heavy weight) +% and then minimize the (average) completion time for all elements. +solve maximize maxTime * numElements * NUM_SCHEDULED - TOTAL_COMPLETION_TIME; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Output +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +output +["results:"] ++ +["\n -"] ++ +["\n num_scheduled: " ++ show(NUM_SCHEDULED)] ++ +["\n total_completion_time: " ++ show(TOTAL_COMPLETION_TIME)] ++ +["\n element_slot_loader: |"] ++ +[ + "\n " ++ show(element) ++ "," ++ show(SCHEDULED_SLOT[element]) ++ "," ++ + show(SCHEDULED_LOADER[element]) +| element in 1..numElements +] + +%output +%["\n - num_scheduled: " ++ show(NUM_SCHEDULED)] ++ +%["\n total_completion_time: " ++ show(TOTAL_COMPLETION_TIME)] ++ +%["\n elementSlotLoader |"] ++ +%[ "\n " ++ show(element) ++ "," ++ +%show(SCHEDULED_SLOT[element]) ++ "," ++ show(SCHEDULED_LOADER[element]) | element in +%1..numElements ] |