MLA-C01 Deployment and Orchestration of ML Workflows Practice Question
A company is deploying a large NLP model on SageMaker for real-time inference. They want to reduce inference latency and cost by optimizing the model for the target hardware. The model is trained in PyTorch. Which SageMaker feature should they use to compile the model for best performance on the chosen instance?
⚠ Common exam trap
Watch out — candidates often confuse model compilation (Neo) with inference serving (Triton) or hardware acceleration (Elastic Inference), leading them to pick a service that addresses a different part of the inference pipeline.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SageMaker Neo
SageMaker Neo is the correct choice because it is specifically designed to compile trained models (including PyTorch models) into an optimized binary for a target hardware instance, reducing inference latency and improving throughput. Neo applies hardware-specific optimizations such as operator fusion, memory layout tuning, and quantization, which directly address the need for best performance on the chosen SageMaker instance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
SageMaker Neo
Why this is correct
Neo optimizes models for target hardware to improve inference speed and reduce cost.
- ✗
AWS Step Functions
Why it's wrong here
Step Functions is for orchestration, not model optimization.
- ✗
Amazon Elastic Inference
Why it's wrong here
Elastic Inference provides GPU acceleration but does not compile the model.
- ✗
SageMaker Triton Inference Server
Why it's wrong here
Triton is a serving container that supports multiple frameworks but does not compile models.
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