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Model: Warn users if diffusion-model tensors names are already prefixed #435

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Model: Warn users if diffusion-model tensors names are already prefixed #435

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0f71589
Model: Warn user if wrong model type option is used
stduhpf Oct 7, 2024
971592f
Fix printf
stduhpf Oct 7, 2024
9ecddc1
do not warn for empty prefix
stduhpf Oct 7, 2024
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25 changes: 25 additions & 0 deletions model.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -820,11 +820,20 @@ bool ModelLoader::init_from_gguf_file(const std::string& file_path, const std::s

size_t total_size = 0;
size_t data_offset = gguf_get_data_offset(ctx_gguf_);

for (int i = 0; i < n_tensors; i++) {
std::string name = gguf_get_tensor_name(ctx_gguf_, i);
struct ggml_tensor* dummy = ggml_get_tensor(ctx_meta_, name.c_str());
size_t offset = data_offset + gguf_get_tensor_offset(ctx_gguf_, i);

if (!prefix.empty() && i == 0 && starts_with(name, prefix)) {
LOG_WARN("Tensors have built-in \"%s\" prefix.\n", prefix.c_str());
if (prefix == "model.diffusion_model.") {
// the user probably used `--diffusion-model` instead of `-m`
LOG_WARN("Try using `-m`or `--model` instead of `--diffusion-model`\n");
}
}

// LOG_DEBUG("%s", name.c_str());

TensorStorage tensor_storage(prefix + name, dummy->type, dummy->ne, ggml_n_dims(dummy), file_index, offset);
Expand Down Expand Up @@ -903,6 +912,7 @@ bool ModelLoader::init_from_safetensors_file(const std::string& file_path, const

nlohmann::json header_ = nlohmann::json::parse(header_buf.data());

int i = 0;
for (auto& item : header_.items()) {
std::string name = item.key();
nlohmann::json tensor_info = item.value();
Expand Down Expand Up @@ -953,6 +963,14 @@ bool ModelLoader::init_from_safetensors_file(const std::string& file_path, const
n_dims = 1;
}

if (!prefix.empty() && i++ == 0 && starts_with(name, prefix)) {
LOG_WARN("Tensors have built-in \"%s\" prefix.\n", prefix.c_str());
if (prefix == "model.diffusion_model.") {
// the user probably used `--diffusion-model` instead of `-m`
LOG_WARN("Try using `-m`or `--model` instead of `--diffusion-model`\n");
}
}

TensorStorage tensor_storage(prefix + name, type, ne, n_dims, file_index, ST_HEADER_SIZE_LEN + header_size_ + begin);
tensor_storage.reverse_ne();

Expand Down Expand Up @@ -1332,6 +1350,13 @@ bool ModelLoader::init_from_ckpt_file(const std::string& file_path, const std::s
{
std::string name = zip_entry_name(zip);
size_t pos = name.find("data.pkl");
if (!prefix.empty() && i == 0 && starts_with(name, prefix)) {
LOG_WARN("Tensors have built-in \"%s\" prefix.\n", prefix.c_str());
if (prefix == "model.diffusion_model.") {
// the user probably used `--diffusion-model` instead of `-m`
LOG_WARN("Try using `-m`or `--model` instead of `--diffusion-model`\n");
}
}
if (pos != std::string::npos) {
std::string dir = name.substr(0, pos);
void* pkl_data = NULL;
Expand Down
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