Workload-Specific Optimization
Tailoring Your Setup
Section titled “Tailoring Your Setup”Different deep learning workloads have different requirements. This section helps you optimize your system for your specific use case.
Why Workload Optimization Matters
Section titled “Why Workload Optimization Matters”A system optimized for computer vision may waste resources on NLP tasks, and vice versa. Understanding your workload helps you:
- Maximize performance - 20-50% faster training
- Reduce costs - Don’t overspend on unnecessary hardware
- Avoid bottlenecks - Identify limiting factors early
- Scale efficiently - Know when to add GPUs vs RAM vs storage
Workload Categories
Section titled “Workload Categories”Computer Vision
Section titled “Computer Vision”- Image classification
- Object detection (YOLO, Faster R-CNN)
- Semantic segmentation
- Instance segmentation
- Image generation (Stable Diffusion, GANs)
Characteristics:
- Heavy GPU memory usage
- Data loading bottlenecks common
- Benefits from fast storage
- Multi-GPU scales well
Natural Language Processing
Section titled “Natural Language Processing”- Language models (BERT, GPT)
- Fine-tuning LLMs
- Text classification
- Machine translation
- Text generation
Characteristics:
- Long sequence lengths = high memory
- Attention mechanism compute-heavy
- Model parallelism often needed
- Less data loading overhead
Reinforcement Learning
Section titled “Reinforcement Learning”- Game playing (Atari, Go)
- Robotics simulation
- Optimization problems
- Multi-agent systems
Characteristics:
- High CPU usage for simulation
- GPU for policy networks
- Memory for replay buffers
- Asynchronous training common
Multi-GPU Training
Section titled “Multi-GPU Training”- Large models that don’t fit on one GPU
- Faster training via parallelism
- Data parallel vs model parallel
- Distributed training across nodes
Characteristics:
- Network bandwidth critical
- Synchronization overhead
- Memory management complex
- Scaling efficiency varies
Hardware Recommendations by Workload
Section titled “Hardware Recommendations by Workload”Computer Vision
Section titled “Computer Vision”| Component | Recommendation | Why |
|---|---|---|
| GPU | High VRAM (24GB+) | Large batches, high-res images |
| CPU | 8-16 cores | Data augmentation |
| RAM | 32-64GB | Dataset caching |
| Storage | Fast NVMe SSD | Loading images quickly |
Recommended systems: See TensorRigs Systems
NLP/LLMs
Section titled “NLP/LLMs”| Component | Recommendation | Why |
|---|---|---|
| GPU | Maximum VRAM possible | Long sequences, large models |
| CPU | 16+ cores (if multi-GPU) | Less critical than CV |
| RAM | 64-128GB | Model weights in RAM |
| Storage | Moderate SSD | Datasets smaller than CV |
Reinforcement Learning
Section titled “Reinforcement Learning”| Component | Recommendation | Why |
|---|---|---|
| GPU | Mid-range is fine | Policy networks smaller |
| CPU | High core count | Parallel environments |
| RAM | 32-64GB | Replay buffers |
| Storage | Standard SSD | Minimal data loading |
Multi-GPU Training
Section titled “Multi-GPU Training”| Component | Recommendation | Why |
|---|---|---|
| GPU | Multiple identical GPUs | Balanced communication |
| CPU | PCIe lanes important | GPU bandwidth |
| RAM | 32GB per GPU | Proportional scaling |
| Storage | Fast shared storage | Parallel data access |
Quick Decision Guide
Section titled “Quick Decision Guide”I’m working on:
Image Classification
Section titled “Image Classification”- Small datasets (ImageNet-size): Single GPU (RTX 4090, RTX 4080)
- Large datasets (100M+ images): Multi-GPU setup
- High resolution (512x512+): 24GB+ VRAM
→ See GPU Memory Management
Object Detection (YOLO, etc.)
Section titled “Object Detection (YOLO, etc.)”- Real-time inference: Optimize for FP16/INT8
- Training: High VRAM for large batch sizes
- Small objects: Higher resolution = more VRAM
→ See Training Optimization
Language Model Fine-tuning
Section titled “Language Model Fine-tuning”- Small models (under 1B params): Single GPU
- Medium models (7B params): 24GB+ GPU
- Large models (70B+ params): Multi-GPU + model parallelism
→ See Multi-GPU Guide
From-Scratch LLM Training
Section titled “From-Scratch LLM Training”- Small scale: Multi-GPU workstation
- Production scale: Cluster required
Reinforcement Learning
Section titled “Reinforcement Learning”- Simple envs (Atari): Moderate GPU + good CPU
- Complex envs (robotics): High CPU count
- Multi-agent: Consider distributed setup
→ See HPC Integration for distributed setups
Software Optimization by Workload
Section titled “Software Optimization by Workload”Libraries & Frameworks
Section titled “Libraries & Frameworks”Computer Vision:
# Optimized for CV
- PyTorch + torchvision + albumentations
- NVIDIA DALI for data loading
- Mixed precision training (AMP)
- Efficient data augmentationNLP:
# Optimized for NLP
- Hugging Face Transformers
- DeepSpeed / FSDP for large models
- Flash Attention for long contexts
- Gradient checkpointingReinforcement Learning:
# Optimized for RL
- Stable Baselines3
- Ray/RLlib for distributed
- Fast simulators (MuJoCo, Isaac Gym)
- Vectorized environmentsBenchmarking Your Workload
Section titled “Benchmarking Your Workload”Before committing to a setup:
-
Run representative experiments
- Use actual model architectures
- Use realistic dataset sizes
- Measure end-to-end training time
-
Identify bottlenecks
- Monitor GPU utilization
- Check data loading times
- Profile memory usage
-
Scale testing
- Test batch size scaling
- Verify multi-GPU speedup
- Check memory limits
Cost Optimization
Section titled “Cost Optimization”When to Use Cloud vs On-Premise
Section titled “When to Use Cloud vs On-Premise”Cloud makes sense for:
- Exploratory research (uncertain compute needs)
- Burst workloads (occasional large experiments)
- Trying different GPU types
- Short-term projects
On-premise makes sense for:
- Continuous training workloads
- Long-term projects (>6 months)
- Sensitive data (can’t leave premises)
- Known compute requirements
Cloud GPU providers: See TensorRigs Cloud Comparison
Next Steps
Section titled “Next Steps”- Identify your workload from the categories above
- Read the specific guide for optimization tips
- Benchmark your setup to verify performance
- Iterate and optimize based on results