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llama.cpp
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sam warmup working

This commit is contained in:
Saba Fallah 2025-11-17 15:27:00 +01:00
parent b32bb5e7da
commit 790bbb97d8
2 changed files with 13 additions and 20 deletions
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2
tools/mtmd/clip-impl.h
View File

@ -133,7 +133,7 @@
#define TN_SAM_POS_EMBD "v.sam.pos_embd"
#define TN_SAM_PATCH_EMBD "v.sam.patch_embd.%s"
#define TN_SAM_PRE_NORM "v.sam.blk.%d.pre_ln.%s"
#define TN_SAM_POST_NORM "v.sam.blk.%d.post_ln"
#define TN_SAM_POST_NORM "v.sam.blk.%d.post_ln.%s"
#define TN_SAM_ATTN_POS_H "v.sam.blk.%d.attn.pos_h"
#define TN_SAM_ATTN_POS_W "v.sam.blk.%d.attn.pos_w"
#define TN_SAM_ATTN_QKV "v.sam.blk.%d.attn.qkv.%s"

31
tools/mtmd/clip.cpp
View File

@ -225,17 +225,7 @@ struct clip_hparams {
// sam vit deepseek-ocr
std::vector<int32_t> global_attn_indices() const {
switch (n_embd) {
case 768: return { 2, 5, 8, 11 };
case 1024: return { 5, 11, 17, 23 };
case 1280: return { 7, 15, 23, 31 };
default:
{
fprintf(stderr, "%s: unsupported n_enc_state = %d\n", __func__, n_embd);
} break;
};
return {};
return { 2, 5, 8, 11 };
}
bool is_global_attn(int32_t layer) const {
@ -455,7 +445,7 @@ struct clip_model {
ggml_tensor * net_2;
ggml_tensor * net_3;
int32_t n_sam_layers = 0; // used by deepseek-ocr sam encoder
int32_t n_sam_layers = 12; // used by deepseek-ocr sam encoder
std::vector<clip_layer> sam_layers;
@ -721,7 +711,7 @@ struct clip_graph {
Qcur = ggml_reshape_3d(ctx0, Qcur, enc_d_heads, W * H, B * enc_n_heads);
ggml_tensor * Kcur =
ggml_view_3d(ctx0, cur, enc_n_embd, W * H, B, cur->nb[1], cur->nb[2], 1 * cur->nb[3]);
ggml_view_3d(ctx0, cur, enc_n_embd, W * H, B, cur->nb[1], cur->nb[2], cur->nb[3]);
Kcur = ggml_reshape_4d(ctx0, Kcur, enc_d_heads, enc_n_heads, W * H, B);
Kcur = ggml_cont(ctx0, ggml_permute(ctx0, Kcur, 0, 2, 1, 3));
Kcur = ggml_reshape_3d(ctx0, Kcur, enc_d_heads, W * H, B * enc_n_heads);
@ -740,12 +730,12 @@ struct clip_graph {
struct ggml_tensor * KQ = ggml_mul_mat(ctx0, Kcur, Qcur);
struct ggml_tensor * KQ_scaled = ggml_scale_inplace(ctx0, KQ, 1.0f / sqrtf(enc_n_heads));
struct ggml_tensor * KQ_scaled = ggml_scale_inplace(ctx0, KQ, 1.0f / sqrtf(enc_d_heads));
struct ggml_tensor * rw = ggml_get_rel_pos(ctx0, layer.rel_pos_w, W, W);
struct ggml_tensor * rh = ggml_get_rel_pos(ctx0, layer.rel_pos_h, H, H);
struct ggml_tensor * q_r = ggml_reshape_4d(ctx0, Qcur, enc_n_heads, W, H, B * enc_n_embd);
struct ggml_tensor * q_r = ggml_reshape_4d(ctx0, Qcur, enc_d_heads, W, H, B * enc_n_heads);
struct ggml_tensor * rel_w = ggml_cont(
ctx0,
@ -763,7 +753,7 @@ struct clip_graph {
ctx0,
ggml_cont(ctx0, ggml_permute(ctx0, ggml_reshape_4d(ctx0, KQV, enc_d_heads, W * H, enc_n_heads, B),
0, 2, 1, 3)),
n_embd, W, H, B);
enc_n_embd, W, H, B);
cur = ggml_mul_mat(ctx0, layer.o_w, cur);
cur = ggml_add_inplace(ctx0, cur, layer.o_b);
@ -2492,9 +2482,11 @@ private:
// patch_embed_proj_w shape = [768, 3, 16, 16]
ggml_tensor * inp = ggml_conv_2d(ctx0, model.patch_embed_proj_w, inp_raw, enc_patch_size, enc_patch_size, 0, 0,
1, 1); // [64, 64, 768]
inp = ggml_reshape_2d(ctx0, inp, enc_n_patches, enc_n_embd); // [4096, 768]
inp = ggml_reshape_2d(ctx0, inp, enc_n_patches * enc_n_patches, enc_n_embd); // [4096, 768]
inp = ggml_cont(ctx0, ggml_transpose(ctx0, inp)); // [768, 4096]
inp = ggml_add(ctx0, inp, model.patch_embed_proj_b);
inp = ggml_cont(ctx0, inp);
inp = ggml_reshape_4d(ctx0, inp, enc_n_embd, enc_n_patches, enc_n_patches, 1);
cb(inp, "enc_patch_bias", -1);
return inp;
}
@ -3193,8 +3185,9 @@ struct clip_model_loader {
} break;
case PROJECTOR_TYPE_DEEPSEEKOCR:
{
hparams.set_limit_image_tokens(8, 1024);
hparams.set_warmup_n_tokens(256); // avoid OOM on warmup
hparams.patch_size = 16;
hparams.image_size = 1024;
hparams.warmup_image_size = 1024;
} break;
default:
break;