Robert Zieliński

Simulators

• computer science 13

  • databases 1
  • distributed systems 1
  • hardware 3
  • networking 2
  • radio frequency 1
  • security 1
  • systems 4

Recent

• 2026-05-27 JWT auth lifecycle — stateless verify, refresh, and the edge cases
• 2026-05-27 GB10 Grace Blackwell — heterogeneous CPU + GPU task distribution
• 2026-05-27 GPU SIMT execution — warps, latency hiding, divergence & coalescing
• 2026-05-19 PostgreSQL on-disk filesystem visualizer
• 2026-05-19 CQRS + event sourcing — plane tickets from multiple vendors
• 2026-05-19 mmWave 5G FR2 phased-array RF path — live 28 GHz beamformer
• 2026-05-19 Instagram — system-design tick-by-tick request flow
• 2026-05-19 LLM model scaling — VRAM · RAM · SSD spillover (Ollama vs vLLM)
• 2026-05-19 Scaling Web Servers — latency, throughput, bandwidth, concurrency & parallelism
• 2026-05-19 5G NR — end-to-end packet journey & loss anatomy