GPU Cost Optimization Without Sacrificing Reliability
Reduce GPU spend with workload sizing, backpressure, checkpointing, lifecycle controls, and measured model choices.
Hostnot GPU engineering
GPU, AI, and infrastructure guides
Practical notes for choosing hardware, connecting safely, and building dependable AI workloads. Every guide reflects what the platform actually does today.
Showing 1–18 of 45 published articles
GPU Cloud Security Guide
A practical security baseline for SSH keys, API credentials, network exposure, images, logs, and lifecycle cleanup.
Tensor Parallelism Explained for Multi-GPU Inference
Learn what tensor parallelism splits, when it helps memory fit, and why topology and communication matter.
Featured Guides
Explore practical guides for GPU selection, deployment, infrastructure and AI workloads.
Choosing a GPU
Cloud operations
Local AI workflows
FP16 vs BF16 vs FP8 for AI Workloads
Choose a reduced-precision format by hardware support, model stability, framework support, and measured workload behavior.
CUDA Toolkit vs NVIDIA Driver Explained
Understand what the host driver, CUDA toolkit, runtime libraries, and framework packages each do.
vLLM Installation and First Deployment
Prepare a GPU environment, install a compatible vLLM release, serve a documented model, and verify the API without exposing credentials.
Installing PyTorch with CUDA on a GPU Instance
Install PyTorch from the official selector, verify the driver and CUDA runtime, and diagnose common import and device errors.
Complete SSH Key Guide for GPU Cloud
Create, protect, register, use, rotate, and revoke SSH keys for remote GPU instances.
Wallet and Billing Troubleshooting
Understand wallet reservations, captured usage, failed deployments, refunds, and how to investigate unexpected charges.
GPU Performance Degradation Troubleshooting
A measurement-first workflow for slower inference, lower utilization, memory pressure, and changing throughput.
Docker GPU Troubleshooting
Fix the most common container GPU failures by checking runtime registration, driver visibility, permissions, and CUDA compatibility.
SSH Connection Troubleshooting
Diagnose cloud GPU SSH failures with key, port, host, firewall, and instance-state checks.
GPU Driver Crash Recovery
A safe recovery sequence for driver failures, Xid errors, lost devices, and mismatched CUDA environments.
GPU Overheating Troubleshooting
Diagnose sustained GPU temperature, throttling, airflow, workload, and monitoring problems without making unsafe changes.
Serverless GPU Streaming Chat Inference
How to determine whether a serverless endpoint supports streaming and how to design a safe non-streaming fallback.
Serverless GPU Errors and Rate Limits
A practical error-handling guide for validation failures, authentication errors, rate limits, timeouts, and provider failures.
Serverless Model Catalog: Available Models and Capabilities
How to discover customer-visible serverless models and validate capabilities before sending requests.
Serverless GPU Rate Limits and Quotas
How request limits, concurrency, timeouts, and wallet controls affect reliable serverless GPU integrations.