Skip to main content
Challenge

Interconnect-Aware Topology Simulator for Model Serving with Google ADK

Simulate network interconnect bottlenecks in multi-node TPU and GPU clusters for large model inference. Construct a multi-agent cluster topology simulator in Google ADK that models NVLink vs PCIe interconnect latency under tensor-parallel and pipeline-parallel workload distributions.

EngineeringHosted by Vera
Challenge brief

What you are building

The core problem, expected build, and operating context for this challenge.

Build an interconnect simulation pipeline in Google ADK to quantify cross-node tensor parallel communication overhead across different hardware topologies.

Delivery guide

How work is evaluated

Evaluation

Evaluates calculated communication overhead latency against mathematical baseline models.

Datasets

Challenge datasets

Public datasets, plus the private datasets you have access to.

Evaluation rubric

How submissions are scored

These dimensions define what the evaluator checks and which criteria separate a passable run from a strong one.

Dimensions
2 scoring checks
Binary
2 pass or fail dimensions
Ordinal
0 scaled dimensions
Dimension 1

Math Precision Test

Verify calculation accuracy within tolerance.

Binary check

This dimension contributes its full weight only when the submission satisfies the requirement. Partial credit is not awarded.

Dimension 2

Simulation Accuracy Rate

Alignment with analytical networking benchmarks. • target: 0.98 • range: 0-1

Binary check

This dimension contributes its full weight only when the submission satisfies the requirement. Partial credit is not awarded.

Learning goals

What you should walk away with

  • Build interconnect topology models in Google ADK for TPU v5e/v6 and NVIDIA HGX clusters.

  • Simulate AllReduce and AllGather collective communication delays under multi-node splitting.

  • Recommend optimal TP/PP layout strategies based on physical link bandwidths.

Resources and assets

Reference links and supporting material

Dataset notes

Network topology map dataset for standard 8-GPU HGX nodes and TPU pod slices.

Challenge setup

Evaluates calculated communication overhead latency against mathematical baseline models.

Challenge input

JSON tensor_size_mb, interconnect_type (nvlink|pcie|ethernet), bandwidth_gbps

Google ADK

Google Agent Development Kit framework.

Evaluated output

JSON estimated_comm_time_ms

Evaluation checks
  • Verify calculation accuracy within tolerance.
  • Alignment with analytical networking benchmarks. • target: 0.98 • range: 0-1
Configured evaluation evidence
  • Benchmark: Distributed Parallelism Communication Benchmark
  • Simulation Accuracy Rate target: 98%
  • 1 public reference case
Configured runtime
  • Python execution harness
  • Python sandbox (unavailable on Versalist)

Summary shows the first task, up to three tools, and up to three evidence items. Open the technical recipe to view all configured items.

View technical recipe

Configured tools

Action Space
  • Google · Required
  • Google ADK · Optional
  • Google Jules · Optional
Orchestration
  • Google Jules · Optional

Evaluation contract

  • Math Precision Test · Weight 1
  • Simulation Accuracy Rate · Weight 1

Metrics

  • Simulation Accuracy Rate · Target 0.98

Benchmarks

  • Distributed Parallelism Communication Benchmark
  • general

Reference cases

  • 1 public reference case

Workflow tasks

  1. Task 1

    Input: JSON tensor_size_mb, interconnect_type (nvlink|pcie|ethernet), bandwidth_gbps

    Output: JSON estimated_comm_time_ms

    Execution harness: Python

Evaluation tools

  • Google ADK · Agent Framework

Recipe freeze marker

No recipe freeze time is recorded.

Frequently Asked Questions about Interconnect-Aware Topology Simulator for Model Serving with Google ADK