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model : add grok-2 support (#15539)

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* add grok-2 support

* type fix

* type fix

* type fix

* "fix" vocab for invalid sequences

* fix expert tensor mapping and spaces in vocab

* add chat template

* fix norm tensor mapping

* rename layer_out_norm to ffn_post_norm

* ensure ffn_post_norm is mapped

* fix experts merging

* remove erroneous FFN_GATE entry

* concatenate split tensors and add more metadata

* process all expert layers and try cat instead of hstack

* add support for community BPE vocab

* fix expert feed forward length and ffn_down concat

* commit this too

* add ffn_up/gate/down, unsure if sequence is right

* add ffn_gate/down/up to tensor names

* correct residual moe (still not working)

* mess--

* fix embedding scale being applied twice

* add built in chat template

* change beta fast for grok if default value

* remove spm vocab in favor of community bpe vocab

* change attention temp length metadata type to integer

* update attention temp length metadata

* remove comment

* replace M_SQRT2 with std::sqrt(2)

* add yarn metadata, move defaults to hparams
This commit is contained in:
Sigbjørn Skjæret
2025-09-14 23:00:59 +02:00
committed by GitHub
parent 6c019cb04e
commit b8e09f08b9
16 changed files with 281 additions and 96 deletions
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6
common/common.h
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@@ -288,9 +288,9 @@ struct common_params {
float rope_freq_base = 0.0f; // RoPE base frequency
float rope_freq_scale = 0.0f; // RoPE frequency scaling factor
float yarn_ext_factor = -1.0f; // YaRN extrapolation mix factor
float yarn_attn_factor = 1.0f; // YaRN magnitude scaling factor
float yarn_beta_fast = 32.0f; // YaRN low correction dim
float yarn_beta_slow = 1.0f; // YaRN high correction dim
float yarn_attn_factor = -1.0f; // YaRN magnitude scaling factor
float yarn_beta_fast = -1.0f; // YaRN low correction dim
float yarn_beta_slow = -1.0f; // YaRN high correction dim
int32_t yarn_orig_ctx = 0; // YaRN original context length
// offload params