OpenNMT / OpenNMT/CTranslate2

FP16 support for CPU devices

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Dominant language
C++
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Description

Most modern CPUs support FP16 type now. But FP16 and BF16 is disabled for CPU devices in CTranslate2. Any reason for this?
When will this be supported?

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue does not name files, tests, or an entry point. Start by locating CTranslate2's CPU device handling and the code that disables FP16 and BF16, then review the existing CPU support and validation paths. Done means CPU devices support the requested types with appropriate validation.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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