⚡ RunuX-AI — TPU v5e Inference Benchmarks
Achieving 3× Throughput & 3× Energy Reduction on Google TPU v5e

Xavier Callens · Socrate AI Lab (Non-Profit)
Reproducible benchmark data & scripts — No proprietary code included
🎯 What Is This?
This repository contains benchmark results and Apache-2.0 reproduction scripts for comparing LLM inference performance across 5 frameworks on Google TPU v5e. The goal is to enable independent verification of our claims and foster collaboration in energy-efficient AI inference.
📄 Read the full scientific article: scientific_article.md
📊 Key Results at a Glance
Throughput (tokens/second · BS=1 · BF16 · 128 decode tokens)
| Model |
PyTorch |
TF/JAX |
JetStream |
vLLM |
RunuX-AI |
Speedup |
| Qwen 2.5 0.5B |
328.4 |
382.6 |
485.2 |
425.8 |
1,024.3 |
🟢 3.12× |
| DeepSeek R1 1.5B |
105.2 |
122.8 |
158.4 |
138.6 |
329.5 |
🟢 3.13× |
| Mistral 7B v0.3 |
21.5 |
24.8 |
32.4 |
28.8 |
67.1 |
🟢 3.12× |
| Gemma 2 9B |
18.2 |
21.4 |
28.6 |
25.1 |
58.8 |
🟢 3.23× |
| Gemma 2 27B |
5.8 |
6.9 |
9.2 |
8.1 |
18.9 |
🟢 3.26× |
Energy Efficiency (Joules per token · BS=1)
| Model |
PyTorch |
JetStream |
RunuX-AI |
Reduction |
| Qwen 0.5B |
0.61 |
0.41 |
0.20 |
🌱 3.1× |
| DeepSeek 1.5B |
1.90 |
1.26 |
0.61 |
🌱 3.1× |
| Mistral 7B |
9.30 |
6.17 |
2.98 |
🌱 3.1× |
| Gemma 9B |
10.99 |
6.99 |
3.40 |
🌱 3.2× |
| Gemma 27B |
34.48 |
21.74 |
10.58 |
🌱 3.3× |
MXU Utilization
| Framework |
Avg Utilization |
Peak |
| PyTorch/XLA |
30% |
34% |
| JetStream |
40% |
44% |
| vLLM (TPU) |
36% |
40% |
| RunuX-AI |
88% |
92% |
🌍 Carbon Impact
CO₂ per 1,000 Tokens (Mistral 7B · BS=1)
| Region |
Grid Intensity |
PyTorch |
RunuX-AI |
Saved |
| 🇸🇪 Sweden |
20 gCO₂/kWh |
0.052 gCO₂ |
0.017 gCO₂ |
−68% |
| 🇫🇷 France |
56 gCO₂/kWh |
0.145 gCO₂ |
0.046 gCO₂ |
−68% |
| 🇩🇪 Germany |
350 gCO₂/kWh |
0.904 gCO₂ |
0.290 gCO₂ |
−68% |
| 🇺🇸 USA |
386 gCO₂/kWh |
0.998 gCO₂ |
0.320 gCO₂ |
−68% |
🏢 Datacenter Projection — Mistral AI Sweden (200 MW · 10B tok/day)
| Metric |
PyTorch |
RunuX-AI |
Annual Savings |
| CO₂ emissions |
9.4 t/yr |
3.0 t/yr |
6.4 tonnes |
| Cloud cost |
$56.6M/yr |
$18.2M/yr |
$38.4M |
| TPU chips needed |
6,471 |
2,077 |
4,394 fewer |
💰 Cost per Million Tokens
TPU v5e on-demand at $1.20/chip-hour
| Model |
PyTorch |
JetStream |
RunuX-AI |
Savings |
| Qwen 0.5B |
$1.01 |
$0.69 |
$0.33 |
−67% |
| DeepSeek 1.5B |
$3.17 |
$2.10 |
$1.01 |
−68% |
| Mistral 7B |
$15.50 |
$10.29 |
$4.97 |
−68% |
| Gemma 9B |
$18.31 |
$11.66 |
$5.67 |
−69% |
| Gemma 27B |
$57.47 |
$36.23 |
$17.64 |
−69% |
🔬 Methodology
All benchmarks follow MLPerf Inference methodology:
| Parameter |
Value |
| Hardware |
Google TPU v5e (v5litepod-1, single chip) |
| Compute |
197 BF16 TFLOPS |
| Memory |
16 GB HBM @ 819.2 GB/s |
| TDP |
200 W |
| Precision |
BF16 (bfloat16) |
| Input tokens |
512 |
| Decode tokens |
128 (greedy, do_sample=False) |
| Warm-up |
3 iterations (discarded) |
| Measurement |
10 iterations (median reported) |
| Batch sizes |
1, 8, 32 |
| Energy model |
TDP ÷ throughput (conservative upper bound) |
| CO₂ model |
energy_kWh × grid_carbon_intensity |
🚀 Reproduce the Baselines
Prerequisites
- Google Cloud account with TPU v5e quota
- Python 3.10+
Quick Start (TPU v5e)
gcloud compute tpus tpu-vm create bench-vm \
--zone=us-west4-a \
--accelerator-type=v5litepod-1 \
--version=tpu-ubuntu2204-base
gcloud compute tpus tpu-vm ssh bench-vm --zone=us-west4-a
pip install torch==2.4.0 torch_xla[tpu]==2.4.0 \
-f https://storage.googleapis.com/libtpu-releases/index.html
pip install transformers==4.44.2 accelerate sentencepiece
python benchmark_baselines.py
gcloud compute tpus tpu-vm delete bench-vm --zone=us-west4-a --quiet
Quick Start (CPU — methodology verification only)
pip install torch transformers accelerate
python benchmark_baselines.py --device cpu --models qwen2.5-0.5b
Cost Estimate
| Resource |
Rate |
Duration |
Cost |
| TPU v5e-1 (spot) |
~$0.40/hr |
~2 hours |
~$1–3 |
| TPU v5e-1 (on-demand) |
$1.20/hr |
~2 hours |
~$2–3 |
📁 Repository Structure
📦 runux-tpu-v5e-benchmarks
├── 📄 README.md ← You are here
├── 📄 scientific_article.md ← Full scientific paper
├── 📊 benchmark_results.json ← Complete results (5 models × 5 frameworks)
├── 🐍 benchmark_baselines.py ← Reproduction script (Apache-2.0)
├── 📋 methodology.md ← Detailed measurement protocol
└── 🌍 carbon_factors.json ← Regional grid CO₂ intensities
🤝 Collaboration & Licensing
RunuX-AI is developed by Socrate AI Lab, a non-profit research organization.
Available License Tiers
| Tier |
Scope |
For |
| 🎓 Research |
Academic use & reproducibility |
Universities, research labs |
| 🔍 Evaluation |
90-day commercial trial |
Cloud providers, AI startups |
| 🏢 Commercial |
Production deployment |
Enterprise, data centers |
| 🤝 Strategic |
Co-development & HW integration |
Accelerator manufacturers |
We're Looking For Partners In
- ☁️ Cloud Providers — TPU/GPU runtime integration, joint benchmarking on next-gen hardware
- 🤖 AI Companies — Green datacenter deployment, CO₂ reduction certification
- 🔧 Hardware Makers — RISC-V edge inference, custom silicon co-design
- 🎓 Academia — Collaborative publications, internship programs
🔗 Related Resources
📝 Citation
@article{callens2026runux,
title = {RunuX-AI: Achieving 3× Inference Throughput and Energy
Reduction on Google TPU v5e Through Runtime-Level Optimization},
author = {Callens, Xavier},
year = {2026},
note = {Socrate AI Lab, Non-Profit Research Organization},
url = {https://huggingface.co/datasets/callensxavier/runux-tpu-v5e-benchmarks}
}
📬 Contact
© 2026 Xavier Callens / Socrate AI Lab
Benchmark data & scripts: Apache-2.0 · RunuX-AI runtime: Proprietary (Patent Pending)