Issues

• [feat] Pluggable cost model for simulated runs

  enhancement
  Feature

  IBM/opal-sim#58 · Filter by author miqalvarez opened on Oct 8, 2026
  1

  

• gpu_memory_utilization config key is defined but never read

  IBM/opal-sim#55 · Filter by author animeshtrivedi opened on Sep 4, 2026
  

• [feat] energy and cost reporting

  IBM/opal-sim#54 · Filter by author animeshtrivedi opened on Sep 4, 2026

• [feat] P/D setup and dynamics

  IBM/opal-sim#53 · Filter by author animeshtrivedi opened on Sep 4, 2026

• [feat] network substrate

  IBM/opal-sim#52 · Filter by author animeshtrivedi opened on Sep 4, 2026

• [feat] remove numpy dependencies in the core code path

  IBM/opal-sim#42 · Filter by author animeshtrivedi opened on Aug 28, 2026

• Absence of KV Cache Eviction / Tier Management in Opal

  enhancement
  IBM/opal-sim#33 · Filter by author leipanhz opened on Aug 19, 2026
  2

  

• Print tier occupancy at the end with the prefix hit statistics

  IBM/opal-sim#30 · Filter by author animeshtrivedi opened on Aug 13, 2026
  

• [Package Restructure] Restructure opal/ into component-based subpackages (worker, router, kvcache, …)

  IBM/opal-sim#18 · Filter by author agrawal-nikita opened on Jul 17, 2026
  1

• [Worker] Improve request batch creation

  IBM/opal-sim#15 · Filter by author raduioanstoica opened on Jul 9, 2026

• [Observability] Provide analysis scripts to extract and plot relevant per-component metrics

  IBM/opal-sim#14 · Filter by author raduioanstoica opened on Jul 9, 2026

• [Docs] Lower-friction onboarding: example configs & docs

  IBM/opal-sim#13 · Filter by author raduioanstoica opened on Jul 9, 2026

• [Observability] Automatically produce per-component metrics at the end of each simulation

  IBM/opal-sim#12 · Filter by author raduioanstoica opened on Jul 9, 2026

• [Observability] Ensure consistent logging

  IBM/opal-sim#11 · Filter by author raduioanstoica opened on Jul 9, 2026
  1

• [Workload] Add more realistic synthetic workloads

  IBM/opal-sim#10 · Filter by author raduioanstoica opened on Jul 9, 2026

• [Workload] Replay real production traces as workloads

  IBM/opal-sim#9 · Filter by author raduioanstoica opened on Jul 9, 2026
  1

• [KVCache management] Multi-tier KV-cache storage (GPU HBM → host DRAM → distributed FS)

  IBM/opal-sim#8 · Filter by author raduioanstoica opened on Jul 9, 2026

• [KVCache management / Worker] Implement a GPU HBM KV cache tier

  IBM/opal-sim#7 · Filter by author raduioanstoica opened on Jul 9, 2026
  1

• [KVCache / Data collection] Generate KVCache per-tier KVC performance plot

  IBM/opal-sim#2 · Filter by author animeshtrivedi opened on May 26, 2026

• GPU APC implementation

  IBM/opal-sim#1 · Filter by author animeshtrivedi opened on May 11, 2026