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2025-07-15Implements Virtualization overhead modelling (#357)Niels Thiele
2025-07-15Add configurable resource distribution at host level (#355)Niels Thiele
2025-07-15multi gpu support (#351)Niels Thiele
2025-06-22Implemented Single GPU Support & outline of host-level allocation policies ↵Niels Thiele
(#342) * renamed performance counter to distinguish different resource types * added GPU, modelled similar to CPU * added GPUs to machine model * list of GPUs instead of single instance * renamed memory speed to bandwidth * enabled parsing of GPU resources * split powermodel into cpu and GPU powermodel * added gpu parsing tests * added idea of host level scheduling * added tests for multi gpu parsing * renamed powermodel to cpupowermodel * clarified naming of cpu and gpu components * added resource type to flow suplier and edge * added resourcetype * added GPU components and resource type to fragments * added GPU to workload and updated resource usage retrieval * implemented first version of multi resource * added name to workload * renamed perfomance counters * removed commented out code * removed deprecated comments * included demand and supply into calculations * resolving rebase mismatches * moved resource type from flowedge class to common package * added available resources to machinees * cleaner separation if workload is started of simmachine or vm * Replaced exception with dedicated enum * Only looping over resources that are actually used * using hashmaps to handle resourcetype instead of arrays for readability * fixed condition * tracking finished workloads per resource type * removed resource type from flowedge * made supply and demand distribution resource specific * added power model for GPU * removed unused test setup * removed depracated comments * removed unused parameter * added ID for GPU * added GPUs and GPU performance counters (naively) * implemented capturing of GPU statistics * added reminders for future implementations * renamed properties for better identification * added capturing GPU statistics * implemented first tests for GPUs * unified access to performance counters * added interface for general compute resource handling * implemented multi resource support in simmachine * added individual edge to VM per resource * extended compute resource interface * implemented multi-resource support in PSU * implemented generic retrieval of computeresources * implemented mult-resource suppport in vm * made method use more resource specific * implemented simple GPU tests * rolled back frquency and demand use * made naming independent of used resource * using workloads resources instead of VMs to determine available resource * implemented determination of used resources in workload * removed logging statements * implemented reading from workload * fixed naming for host-level allocation * fixed next deadline calculation * fixed forwarding supply * reduced memory footprint * made GPU powermodel nullable * maded Gpu powermodel configurable in topology * implemented tests for basic gpu scheduler * added gpu properties * implemented weights, filter and simple cpu-gpu scheduler * spotless apply * spotless apply pt. 2 * fixed capitalization * spotless kotlin run * implemented coloumn export * todo update * removed code comments * Merged PerformanceCounter classes into one & removed interface * removed GPU specific powermodel * Rebase master: kept both versions of TopologyFactories * renamed CpuPowermodel to resource independent Powermodel Moved it from Cpu package to power package * implementated default of getResourceType & removed overrides if possible * split getResourceType into Consumer and Supplier * added power as resource type * reduced supply demand from arrayList to single value * combining GPUs into one large GPU, until full multi-gpu support * merged distribution policy enum with corresponding factory * added comment * post-rebase fixes * aligned naming * Added GPU metrics to task output * Updates power resource type to uppercase. Standardizes the `ResourceType.Power` enum to `ResourceType.POWER` for consistency with other resource types and improved readability. * Removes deprecated test assertions Removes commented-out assertions in GPU tests. These assertions are no longer needed and clutter the test code. * Renames MaxMinFairnessStrategy to Policy Renames MaxMinFairnessStrategy to MaxMinFairnessPolicy for clarity and consistency with naming conventions. This change affects the factory and distributor to use the updated name. * applies spotless * nulls GPUs as it is not used
2025-06-20Task now saves the hostName of connected host, until a new Host is selected. ↵Dante Niewenhuis
(#347)
2025-06-16integrated M3SA, updated with tests and CpuPowerModelsRadu Nicolae
2025-05-20Fixed bug when not providing a Carbon Model (#339)Dante Niewenhuis
2025-05-16Updated website documentation (#334)Dante Niewenhuis
* Updated website documentation * Updated some documentation and fixed links * small updates * small updates
2025-04-02Separate timeshift into an interface and add it to memorizing (#329)Sacheendra Talluri
* Separate timeshift into an interface and add it to memorizing * Run spotless apply * Remove random from memorizing sched test * Record time on task termination * spotless apply
2025-03-29Fixed a small problem with getForeCast (#328)Dante Niewenhuis
* Fixed a small problem with carbon forecasts that would cause problems when the simulation would leave the coverage of the carbon Trace * Fixed a small problem with carbon forecasts that would cause problems when the simulation would leave the coverage of the carbon Trace * Fixed a bug * spotless applied
2025-03-27Support carbon forecasting in timeshift (#327)Sacheendra Talluri
* Remove task from scheduler bookkeeping after failure * Support carbon forecasting in timeshift * Register scheduler and carbonmodel in context * Preliminary working task stopping; carbon intensity bug * Working carbon based stop. Two timeshift thresholds * Add a pause state task and guest * Move task stopper to allocation spec * Start tracking num pauses
2025-03-24Added embodied carbon to hosts (#326)Dante Niewenhuis
2025-03-24Updated AllocationPolicy input (#324)Dante Niewenhuis
2025-03-22Shift task execution to the valley of carbon emissions (#323)Sacheendra Talluri
* Move shifted task execution to the valley of carbon emissions * Remove error from compute service * spotless apply * Run scheduling cycle everytime carbon intensity updates
2025-03-21WorkloadLoader fix (#321)Dante Niewenhuis
2025-03-20Renamed SimChainWorkload to VirtualMachine (#320)Dante Niewenhuis
* Renamed SimChainWorkload.java to VirtualMachine.java * Renamed SimChainWorkload.java to VirtualMachine.java * Renamed SimChainWorkload.java to VirtualMachine.java * Renamed SimChainWorkload.java to VirtualMachine.java * Renamed SimChainWorkload.java to VirtualMachine.java
2025-03-20Adds load shifting over time (#319)Sacheendra Talluri
* Start time shifting * Existing experiments work with new columns * Remove unused traces dir * Update java to 21 LTS and jacoco to be compatible * Minimal working timeshifting * Timeshift scheduler linked as carbon receiver * Add basic tests for timeshift scheduler * Run spotless apply * Modify tarce format tests to support new fields * Change all mentions of java 19 to 21 * Add a deferAll option to workload to make all tasks deferrable * Run spotless apply * Copy traces from resources in web dockerfile
2025-03-18Made some changes to improve RAM of OpenDC (#318)Dante Niewenhuis
2025-03-18Fixed memorizing scheduler with correct last elem check (#317)Sacheendra Talluri
* Fixed memorizing scheduler with correct last elem check * Fix spotless complaints
2025-03-18Performance updates (#314)Dante Niewenhuis
2025-03-14Added more battery policies (#312)Dante Niewenhuis
* some updates * Updates * Added comments and renamed variables * Ran Spotless
2025-02-18Added the option to select which files to export. (#307)Dante Niewenhuis
* Added the option to select which files to export. * Updated documentation
2025-02-10added embodied carbon (#303)Dante Niewenhuis
2025-02-06updated logging and added logging for batteries (#301)Dante Niewenhuis
* Updated logging * removed DoubleThresholdBatteryPolicy.java
2025-02-03Added Batteries (#300)Dante Niewenhuis
* Batteries are implemented. Small problem with the deletion when running larger workloads. Added mock files for the Battery implementation. Updated the Carbon Model to allow for multiple receivers of CarbonIntensity * Implemented batteries in OpenDC. * Spotless applied
2025-01-24Added Fragment scaling (#296)Dante Niewenhuis
* Added maxCpuDemand to TraceWorkload, don't know if this will be needed so might remove later. Updated SimTraceWorkload to properly handle creating checkpoints Fixed a bug with the updatedConsumers in the FlowDistributor Implemented a first version of scaling the runtime of fragments. * small update * updated tests to reflect the changes in the checkpointing model * Updated the checkpointing tests to reflect the changes made * updated wrapper-validation-action * Applied spotless
2025-01-23Added sampleFraction and submissionTime to the workloadSpec (#295)Dante Niewenhuis
* Added sampleFraction and submissionTime to the workloadSpec * Removed commented code
2025-01-22Simplified the WorkloadLoader into a single class that can be extended when ↵Dante Niewenhuis
new workload types are added (#294)
2025-01-16Add support for schedulers which can receive task state change updates (#290)Sacheendra Talluri
* Change scheduler API to include task removal and add tests * Check if memorizing schduler works with the whole system * Spotless apply * Expand function name and improve documentation
2025-01-10Restructured Testing files (#287)Dante Niewenhuis
2025-01-07Updated the FlowDistributor (#285)Dante Niewenhuis
* Updated the FlowDistributor to work in more cases and be more performant. * Removed old FlowDistributor
2024-12-06Renamed Multiplexer to FlowDistributor (#282)Dante Niewenhuis
* Restructured opendc-simulator-flow. Renamed Multiplexer to FlowDistributor. * spotless applied * Added FlowDistributor topologies back
2024-11-29Multiplexer update (#278)Dante Niewenhuis
* Fixed the Multiplexer.java to properly divide the supply over the different consumers. Fixed a bug where fragments were being loaded in reversed order. * Optimized the Multiplexer.java, by only updating the supply of the consumer that updated its demand when possible.
2024-11-26Connected the cpu power model given by the topology.json to SimCpu.java (#274)Dante Niewenhuis
* Connected the cpu power model given by the topology.json to SimCpu.java * ran spotless
2024-11-26Streamlined the FlowNetwork for better performance (#273)Dante Niewenhuis
2024-11-19Small update to trace-based failure models (#271)Dante Niewenhuis
* Added startPoint to TraceBasedFailureModel.kt, this decides where in the trace, the model should start. Added repeat to TraceBasedFailureModel.kt. This decides if the trace should be repeated when finished * spotless applied * Fixed some issues with the failure shuffling * applied spotless
2024-11-07Fixed power source bug (#265)Dante Niewenhuis
* Fixed a small bug making the power source not update energy usage properly * small update to the test
2024-11-06Fixed small problem with tasks that are too large to schedule never ↵Dante Niewenhuis
finishing. (#264)
2024-11-05Documentation update (#261)Dante Niewenhuis
* Updated a lot of documentation, added a new get-started tutorial. * Applied Spotless * Applied Spotless Java * Added bitbrains workload to site
2024-11-03Rewritten the Carbon model (#260)Dante Niewenhuis
2024-11-01Updated computeService to force the simulation to stop when all tasks are ↵Dante Niewenhuis
finished (#259)
2024-10-30Added power sources to OpenDC (#258)Dante Niewenhuis
* Added power sources to OpenDC. In the current form each Cluster has a single power source that is connected to all hosts in that cluster * Added power sources to OpenDC. In the current form each Cluster has a single power source that is connected to all hosts in that cluster * Ran spotless Kotlin and Java
2024-10-29Updated all floats to Doubles (#257)Dante Niewenhuis
* Updated tests Changed all floats into doubles to have consistency over the whole framework Made a small update to the multiplexer to better push through supply and demand Fixed small typo Updated M3SA paths. fixed merge conflicts Removed unused components. Updated tests. Improved checkpointing model Improved model, started with SimPowerSource implemented FailureModels and Checkpointing First working version midway commit first update All simulation are now run with a single CPU and single MemoryUnit. multi CPUs are combined into one. This is for performance and explainability. * Updated test memory
2024-10-25Rewrote the FlowEngine (#256)Dante Niewenhuis
* Removed unused components. Updated tests. Improved checkpointing model Improved model, started with SimPowerSource implemented FailureModels and Checkpointing First working version midway commit first update All simulation are now run with a single CPU and single MemoryUnit. multi CPUs are combined into one. This is for performance and explainability. * fixed merge conflicts * Updated M3SA paths. * Fixed small typo
2024-09-16All simulation are now run with a single CPU and single MemoryUnit. multi ↵Dante Niewenhuis
CPUs are combined into one. This is for performance and explainability. (#255)
2024-09-12Added max number of failures (#254)Dante Niewenhuis
* Added a max failure for tasks. If tasks fail more times, they get cancelled * Added maxNumFailures to the frontend * Updated tests
2024-09-10rewritten the checkpointing model (#250)Dante Niewenhuis
* Updated the checkpointing system to use SimTrace. The checkpoint model can now also scale, which means the interval between checkpoints can increase or decrease over time. * spotless kotlin * Fixed tests * spotless apply
2024-09-05Sim trace update (#249)Dante Niewenhuis
* Started on reimplementing the SimTrace implementation * updated trace format. Fragments now do not have a deadline, but a duration. The Fragments are executed in order.
2024-08-27Renamed input files and internally server is changed to task (#246)Dante Niewenhuis
* Updated SimTrace to use a single ArrayDeque instead of three separate lists for deadline, cpuUsage, and coreCount * Renamed input files to tasks.parquet and fragments.parquet. Renamed server to task. OpenDC nows exports tasks.parquet instead of server.parquet
2024-08-27Updated SimTrace to use a single ArrayDeque instead of three separate lists ↵Dante Niewenhuis
for deadline, cpuUsage, and coreCount (#245)
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