metal : add NVFP4 quantization support#20456
Open
richarddd wants to merge 5 commits intoggml-org:masterfrom
Open
metal : add NVFP4 quantization support#20456richarddd wants to merge 5 commits intoggml-org:masterfrom
richarddd wants to merge 5 commits intoggml-org:masterfrom
Conversation
github-actions
bot
added
ggml
ggerganov
approved these changes
Mar 12, 2026
Comment on lines
+29
to
+30
| #define N_R0_NVFP4 2 | ||
| #define N_SG_NVFP4 2 |
Member
There was a problem hiding this comment.
Want to double check this on my Mac Studio to confirm no register spill (#20399)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Basic Metal GPU support for NVFP4 (E2M1 + UE4M3 scales) quantization type with optimized mul_mv/mul_mm/get_rows kernels and precomputed scale LUTs, achieving ~11x prompt and ~25x generation speedup over CPU on Apple Silicon.