allow for single token prompt processing (actual batch size 1)

This commit is contained in:
Concedo
2025-04-25 16:54:46 +08:00
24 changed files with 413 additions and 846 deletions
-2
View File
@@ -95,8 +95,6 @@
#define TN_GLM_ADAPTER_D_H_2_4H "adapter.linear.dense_h_to_4h.%s"
#define TN_GLM_ADAPTER_GATE "adapter.linear.gate.%s"
#define TN_GLM_ADAPTER_D_4H_2_H "adapter.linear.dense_4h_to_h.%s"
#define TN_GLM_BOI_W "adapter.boi"
#define TN_GLM_EOI_W "adapter.eoi"
enum projector_type {
PROJECTOR_TYPE_MLP,
+1 -16
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@@ -263,8 +263,6 @@ struct clip_vision_model {
//GLMV-Edge projection
struct ggml_tensor * mm_model_adapter_conv_w = nullptr;
struct ggml_tensor * mm_model_adapter_conv_b = nullptr;
struct ggml_tensor * boi_w = nullptr;
struct ggml_tensor * eoi_w = nullptr;
// MobileVLM projection
struct ggml_tensor * mm_model_mlp_1_w = nullptr;
@@ -1822,8 +1820,6 @@ struct clip_model_loader {
vision_model.mm_model_mlp_1_w = get_tensor(string_format(TN_GLM_ADAPTER_D_H_2_4H,"weight"));
vision_model.mm_model_mlp_2_w = get_tensor(string_format(TN_GLM_ADAPTER_GATE,"weight"));
vision_model.mm_model_mlp_3_w = get_tensor(string_format(TN_GLM_ADAPTER_D_4H_2_H,"weight"));
vision_model.boi_w = get_tensor(TN_GLM_BOI_W);
vision_model.eoi_w = get_tensor(TN_GLM_EOI_W);
} break;
case PROJECTOR_TYPE_MERGER:
{
@@ -2805,8 +2801,7 @@ void clip_free(clip_ctx * ctx) {
}
size_t clip_embd_nbytes(const struct clip_ctx * ctx) {
int extra_tokens = ctx->has_glm_projector ? 2 : 0;
return (clip_n_patches(ctx) + extra_tokens) * clip_n_mmproj_embd(ctx) * sizeof(float);
return clip_n_patches(ctx) * clip_n_mmproj_embd(ctx) * sizeof(float);
}
size_t clip_embd_nbytes_by_img(const struct clip_ctx * ctx, int img_h, int img_w) {
@@ -3006,9 +3001,6 @@ bool clip_image_batch_encode(clip_ctx * ctx, const int n_threads, const clip_ima
}
if (ctx->has_glm_projector) {
GGML_ASSERT(batch_size == 1);
ggml_tensor * boi = ctx->vision_model.boi_w;
ggml_backend_tensor_get(boi,vec,0,ggml_nbytes(boi));
vec = (float*)(vec+ggml_nelements(boi)); //offset for boi
}
// build the inference graph
@@ -3341,13 +3333,6 @@ bool clip_image_batch_encode(clip_ctx * ctx, const int n_threads, const clip_ima
// copy the embeddings to the location passed by the user
ggml_backend_tensor_get(embeddings, vec, 0, ggml_nbytes(embeddings));
if (ctx->has_glm_projector) {
//eoi
ggml_tensor * eoi = ctx->vision_model.eoi_w;
int offset = ggml_nelements(embeddings);
ggml_backend_tensor_get(eoi, vec+offset, 0, ggml_nbytes(eoi));
}
return true;
}
+5 -3
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@@ -40,7 +40,8 @@ static void show_additional_info(int /*argc*/, char ** argv) {
"Usage: %s [options] -m <model> --mmproj <mmproj> --image <image> -p <prompt>\n\n"
" -m and --mmproj are required\n"
" -hf user/repo can replace both -m and --mmproj in most cases\n"
" --image and -p are optional, if NOT provided, the CLI will run in chat mode\n",
" --image and -p are optional, if NOT provided, the CLI will run in chat mode\n"
" to disable using GPU for mmproj model, add --no-mmproj-offload\n",
argv[0]
);
}
@@ -112,10 +113,10 @@ struct mtmd_cli_context {
void init_vision_context(common_params & params) {
const char * clip_path = params.mmproj.path.c_str();
ctx_vision.reset(mtmd_init_from_file(clip_path, model, mtmd_context_params{
/* use_gpu */ true,
/* use_gpu */ params.mmproj_use_gpu,
/* timings */ true,
/* n_threads */ params.cpuparams.n_threads,
/* verbosity */ GGML_LOG_LEVEL_INFO,
/* verbosity */ params.verbosity > 0 ? GGML_LOG_LEVEL_DEBUG : GGML_LOG_LEVEL_INFO,
}));
if (!ctx_vision.get()) {
LOG_ERR("Failed to load vision model from %s\n", clip_path);
@@ -261,6 +262,7 @@ int main(int argc, char ** argv) {
if (params.mmproj.path.empty()) {
show_additional_info(argc, argv);
LOG_ERR("ERR: Missing --mmproj argument\n");
return 1;
}
+5
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@@ -186,6 +186,11 @@ int32_t mtmd_tokenize(mtmd_context * ctx,
marker_modified = "<start_of_image>" + ctx->image_marker + "<end_of_image>";
string_replace_all(prompt_modified, ctx->image_marker, marker_modified);
} else if (proj_type == PROJECTOR_TYPE_GLM_EDGE) {
// <|begin_of_image|> ... (image embeddings) ... <|end_of_image|>
marker_modified = "<|begin_of_image|>" + ctx->image_marker + "<|end_of_image|>";
string_replace_all(prompt_modified, ctx->image_marker, marker_modified);
} else if (proj_type == PROJECTOR_TYPE_IDEFICS3) {
// https://github.com/huggingface/transformers/blob/a42ba80fa520c784c8f11a973ca9034e5f859b79/src/transformers/models/idefics3/processing_idefics3.py#L192-L215
marker_modified = "<fake_token_around_image><global-img>" + ctx->image_marker + "<fake_token_around_image>";