Files
ollama/convert/convert_mixtral.go
Daniel Hiltgen 33ee7168ba Add experimental MLX backend and engine with imagegen support (#13648)
* WIP - MLX backend with gemma3

* MLX: add cmake and go tag build toggles

To build the new MLX backend code:
  cmake --preset MLX
  cmake --build --preset MLX --parallel
  cmake --install build --component MLX
  go build -tags mlx .

Note: the main.go entrypoint for the MLX engine will change in a follow up commit.

* add experimental image generation runtime

* add experimental image generation runtime

* MLX: wire up cuda build for linux

* MLX: get dependencies correct and dedup

This is still too large for a unified github artifact, but is now "correct" for the mlx_cuda_v13
directory.

* fix relative link bug in dedup

* Add darwin build and readme

* add go build tag for mlx dependent code and wire up build_darwin.sh

* lint cleanup

* macos: build mlx for x86

This will be CPU only.

* cuda build instructions and fix drift from mlx bump

* stale comment

* Delete agent helper doc

* Clean up readme.md

* Revise README for tokenizer clarity and details

Updated README to clarify tokenizer functionality and removed correctness section.

---------

Co-authored-by: jmorganca <jmorganca@gmail.com>
2026-01-08 16:18:59 -08:00

65 lines
1.5 KiB
Go

package convert
import (
"fmt"
"github.com/ollama/ollama/fs/ggml"
)
type mixtralModel struct {
llamaModel
NumLocalExperts uint32 `json:"num_local_experts"`
NumExpertsPerToken uint32 `json:"num_experts_per_tok"`
}
func (p *mixtralModel) KV(t *Tokenizer) KV {
kv := p.llamaModel.KV(t)
if p.NumLocalExperts > 0 {
kv["llama.expert_count"] = p.NumLocalExperts
}
if p.NumExpertsPerToken > 0 {
kv["llama.expert_used_count"] = p.NumExpertsPerToken
}
return kv
}
func (p *mixtralModel) Tensors(ts []Tensor) []*ggml.Tensor {
merges := make([]merge, 0, p.NumHiddenLayers*6)
for i := range p.NumHiddenLayers {
merges = append(merges, merge{
fmt.Sprintf("blk.%d.*.w1.weight", i),
fmt.Sprintf("blk.%d.ffn_gate_exps.weight", i),
}, merge{
fmt.Sprintf("blk.%d.*.w1.bias", i),
fmt.Sprintf("blk.%d.ffn_gate_exps.bias", i),
}, merge{
fmt.Sprintf("blk.%d.*.w2.weight", i),
fmt.Sprintf("blk.%d.ffn_up_exps.weight", i),
}, merge{
fmt.Sprintf("blk.%d.*.w2.bias", i),
fmt.Sprintf("blk.%d.ffn_up_exps.bias", i),
}, merge{
fmt.Sprintf("blk.%d.*.w3.weight", i),
fmt.Sprintf("blk.%d.ffn_down_exps.weight", i),
}, merge{
fmt.Sprintf("blk.%d.*.w3.bias", i),
fmt.Sprintf("blk.%d.ffn_down_exps.bias", i),
})
}
out, ts := mergeTensors(ts, merges...)
return append(out, p.llamaModel.Tensors(ts)...)
}
func (p *mixtralModel) Replacements() []string {
return append(
p.llamaModel.Replacements(),
"model.layers", "blk",
"block_sparse_moe.gate", "ffn_gate_inp",
"block_sparse_moe.experts.", ".",
)
}