What is data parallelism in distributed training?

Updated May 17, 2026

Short answer

Data parallelism splits data across multiple GPUs with replicated models.

Deep explanation

Each GPU processes different mini-batches, gradients are synchronized via all-reduce operations.

Unlock with a Pro subscription to view this section.

View pricing

Real-world example

No real-world example available yet.

Unlock with a Pro subscription to view this section.

Upgrade to Pro

Common mistakes

No common mistakes listed yet.

Unlock with a Pro subscription to view this section.

Upgrade to Pro

Follow-up questions

No follow-up questions available yet.

Unlock with a Pro subscription to view this section.

Upgrade to Pro

More Neural Networks interview questions

View all →