mirror of
https://github.com/leejet/stable-diffusion.cpp.git
synced 2026-11-11 19:36:33 +00:00
reworked pmid lora
This commit is contained in:
1 parent
b0579ec460
commit
753231a7b4
3 files changed
+39
-230
No files matched your search
@@ -548,237 +548,35 @@ struct PhotoMakerLoraModel : public GGMLModule {
|
||||
float multiplier = 1.0f;
|
||||
std::map<std::string, struct ggml_tensor*> lora_tensors;
|
||||
std::string file_path;
|
||||
int in_channels = 4;
|
||||
// ModelLoader model_loader;
|
||||
int in_channels = 4;
|
||||
ModelLoader model_loader;
|
||||
bool load_failed = false;
|
||||
int model_channels = 320; // only for SDXL
|
||||
int num_heads = -1; // only for SDXL
|
||||
int num_head_channels = 64; // only for SDXL
|
||||
int context_dim = 2048; // only for SDXL
|
||||
|
||||
std::vector<int> transformer_depth = {1, 2, 10}; // only for SDXL
|
||||
std::vector<int> channel_mult = {1, 2, 4}; // only for SDXL
|
||||
|
||||
struct SpatialTransformerLora{
|
||||
int in_channels; // mult * model_channels
|
||||
int n_head; // num_heads
|
||||
int d_head; // in_channels // n_heads
|
||||
int depth = 1; // 1
|
||||
int context_dim = 768; // hidden_size, 1024 for VERSION_2_x
|
||||
|
||||
|
||||
struct TransformerLora {
|
||||
|
||||
// attn1
|
||||
struct ggml_tensor* attn1_q_w_up; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn1_q_w_dn; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn1_k_w_up; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn1_k_w_dn; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn1_v_w_up; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn1_v_w_dn; // [in_channels, in_channels]
|
||||
|
||||
struct ggml_tensor* attn1_out_w_up; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn1_out_w_dn; // [in_channels, in_channels]
|
||||
|
||||
// attn2
|
||||
struct ggml_tensor* attn2_q_w_up; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn2_q_w_dn; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn2_k_w_up; // [in_channels, context_dim]
|
||||
struct ggml_tensor* attn2_k_w_dn; // [in_channels, context_dim]
|
||||
struct ggml_tensor* attn2_v_w_up; // [in_channels, context_dim]
|
||||
struct ggml_tensor* attn2_v_w_dn; // [in_channels, context_dim]
|
||||
|
||||
struct ggml_tensor* attn2_out_w_up; // [in_channels, in_channels]
|
||||
struct ggml_tensor* attn2_out_w_dn; // [in_channels, in_channels]
|
||||
|
||||
|
||||
|
||||
};
|
||||
|
||||
std::vector<TransformerLora> transformers;
|
||||
|
||||
SpatialTransformerLora(int depth = -1)
|
||||
: depth(depth) {
|
||||
if(depth > 0)
|
||||
transformers.resize(depth);
|
||||
}
|
||||
|
||||
int get_num_tensors() {
|
||||
return depth * 16;
|
||||
}
|
||||
|
||||
size_t calculate_mem_size(ggml_type wtype) {
|
||||
size_t mem_size = 0;
|
||||
// transformer
|
||||
for (auto& transformer : transformers) {
|
||||
mem_size += 12 * ggml_row_size(wtype, in_channels * in_channels); // attn1_q/k/v/out_w attn2_q/out_w
|
||||
mem_size += 4 * ggml_row_size(wtype, in_channels * context_dim); // attn2_k/v_w
|
||||
}
|
||||
return mem_size;
|
||||
}
|
||||
|
||||
void init_params(struct ggml_context* ctx, ggml_type wtype) {
|
||||
// transformer
|
||||
for (auto& transformer : transformers) {
|
||||
|
||||
transformer.attn1_q_w_up = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn1_q_w_dn = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn1_k_w_up = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn1_k_w_dn = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn1_v_w_up = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn1_v_w_dn = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
|
||||
transformer.attn1_out_w_up = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn1_out_w_dn = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
|
||||
|
||||
|
||||
transformer.attn2_q_w_up = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn2_q_w_dn = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn2_k_w_up = ggml_new_tensor_2d(ctx, wtype, context_dim, in_channels);
|
||||
transformer.attn2_k_w_dn = ggml_new_tensor_2d(ctx, wtype, context_dim, in_channels);
|
||||
transformer.attn2_v_w_up = ggml_new_tensor_2d(ctx, wtype, context_dim, in_channels);
|
||||
transformer.attn2_v_w_dn = ggml_new_tensor_2d(ctx, wtype, context_dim, in_channels);
|
||||
|
||||
transformer.attn2_out_w_up = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
transformer.attn2_out_w_dn = ggml_new_tensor_2d(ctx, wtype, in_channels, in_channels);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
};
|
||||
|
||||
|
||||
SpatialTransformerLora down_blocks[3][2];
|
||||
SpatialTransformerLora mid_block;
|
||||
SpatialTransformerLora up_blocks[3][3];
|
||||
|
||||
|
||||
|
||||
|
||||
PhotoMakerLoraModel(const std::string file_path = "")
|
||||
: file_path(file_path) {
|
||||
name = "photomaker lora";
|
||||
// if (!model_loader.init_from_file(file_path)) {
|
||||
// load_failed = true;
|
||||
// }
|
||||
int ch = model_channels;
|
||||
for(int i = 0; i < 3; i++){
|
||||
int mult = channel_mult[i];
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++){
|
||||
ch = mult * model_channels;
|
||||
int n_head = num_heads;
|
||||
int d_head = ch / num_heads;
|
||||
if (num_head_channels != -1) {
|
||||
d_head = num_head_channels;
|
||||
n_head = ch / d_head;
|
||||
}
|
||||
down_blocks[i][j] = SpatialTransformerLora(transformer_depth[i]);
|
||||
down_blocks[i][j].in_channels = ch;
|
||||
down_blocks[i][j].n_head = n_head;
|
||||
down_blocks[i][j].d_head = d_head;
|
||||
down_blocks[i][j].context_dim = context_dim;
|
||||
}
|
||||
if (!model_loader.init_from_file(file_path, "pmid.")) {
|
||||
load_failed = true;
|
||||
}
|
||||
int n_head = num_heads;
|
||||
int d_head = ch / num_heads;
|
||||
if (num_head_channels != -1) {
|
||||
d_head = num_head_channels;
|
||||
n_head = ch / d_head;
|
||||
}
|
||||
mid_block = SpatialTransformerLora(transformer_depth[transformer_depth.size()-1]);
|
||||
mid_block.in_channels = ch;
|
||||
mid_block.n_head = n_head;
|
||||
mid_block.d_head = d_head;
|
||||
mid_block.context_dim = context_dim;
|
||||
|
||||
|
||||
for(int i = 2; i >= 0 ; i--){
|
||||
int mult = channel_mult[i];
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++){
|
||||
ch = mult * model_channels;
|
||||
int n_head = num_heads;
|
||||
int d_head = ch / num_heads;
|
||||
if (num_head_channels != -1) {
|
||||
d_head = num_head_channels;
|
||||
n_head = ch / d_head;
|
||||
}
|
||||
up_blocks[i][j] = SpatialTransformerLora(transformer_depth[i]);
|
||||
up_blocks[i][j].in_channels = ch;
|
||||
up_blocks[i][j].n_head = n_head;
|
||||
up_blocks[i][j].d_head = d_head;
|
||||
up_blocks[i][j].context_dim = context_dim;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
size_t get_num_tensors() {
|
||||
size_t num_tensors = 0;
|
||||
// return model_loader.cal_mem_size(NULL);
|
||||
for(int i = 0; i < 3; i++){
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++)
|
||||
num_tensors += down_blocks[i][j].get_num_tensors();
|
||||
}
|
||||
for(int i = 2; i >= 0 ; i--){
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++)
|
||||
num_tensors += up_blocks[i][j].get_num_tensors();
|
||||
}
|
||||
num_tensors += mid_block.get_num_tensors();
|
||||
return num_tensors;
|
||||
|
||||
return PM_LORA_GRAPH_SIZE;
|
||||
}
|
||||
|
||||
size_t calculate_mem_size(ggml_type wtype) {
|
||||
size_t mem_size = 0;
|
||||
// return model_loader.cal_mem_size(NULL);
|
||||
for(int i = 0; i < 3; i++){
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++)
|
||||
mem_size += down_blocks[i][j].calculate_mem_size(wtype);
|
||||
}
|
||||
for(int i = 2; i >= 0 ; i--){
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++)
|
||||
mem_size += up_blocks[i][j].calculate_mem_size(wtype);
|
||||
|
||||
}
|
||||
mem_size += mid_block.calculate_mem_size(wtype);
|
||||
return mem_size;
|
||||
}
|
||||
|
||||
|
||||
void init_params(ggml_type wtype){
|
||||
ggml_allocr* alloc = ggml_allocr_new_from_buffer(params_buffer);
|
||||
|
||||
for(int i = 0; i < 3; i++){
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++)
|
||||
down_blocks[i][j].init_params(params_ctx, wtype);
|
||||
}
|
||||
for(int i = 2; i >= 0 ; i--){
|
||||
if(i == 0) continue;
|
||||
for(int j = 0; j < 2; j++)
|
||||
up_blocks[i][j].init_params(params_ctx, wtype);
|
||||
}
|
||||
|
||||
mid_block.init_params(params_ctx, wtype);
|
||||
|
||||
// alloc all tensors linked to this context
|
||||
for (struct ggml_tensor* t = ggml_get_first_tensor(params_ctx); t != NULL; t = ggml_get_next_tensor(params_ctx, t)) {
|
||||
if (t->data == NULL) {
|
||||
ggml_allocr_alloc(alloc, t);
|
||||
}
|
||||
}
|
||||
|
||||
ggml_allocr_free(alloc);
|
||||
|
||||
size_t calculate_mem_size() {
|
||||
return model_loader.cal_mem_size(NULL);
|
||||
}
|
||||
|
||||
|
||||
bool load_from_file(ggml_backend_t backend) {
|
||||
if (!alloc_params_buffer(backend)) {
|
||||
@@ -795,7 +593,14 @@ struct PhotoMakerLoraModel : public GGMLModule {
|
||||
|
||||
auto on_new_tensor_cb = [&](const TensorStorage& tensor_storage, ggml_tensor** dst_tensor) -> bool {
|
||||
const std::string& name = tensor_storage.name;
|
||||
// LOG_INFO("loading LoRA tesnor '%s'", name.c_str());
|
||||
if (!starts_with(name, "pmid.unet")){
|
||||
// LOG_INFO("skipping LoRA tesnor '%s'", name.c_str());
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
// LOG_INFO("loading LoRA tesnor '%s'", name.c_str());
|
||||
struct ggml_tensor* real = ggml_new_tensor(params_ctx, tensor_storage.type, tensor_storage.n_dims, tensor_storage.ne);
|
||||
ggml_allocr_alloc(alloc, real);
|
||||
|
||||
@@ -805,7 +610,7 @@ struct PhotoMakerLoraModel : public GGMLModule {
|
||||
return true;
|
||||
};
|
||||
|
||||
// model_loader.load_tensors(on_new_tensor_cb, backend);
|
||||
model_loader.load_tensors(on_new_tensor_cb, backend);
|
||||
|
||||
LOG_DEBUG("finished loaded lora");
|
||||
ggml_allocr_free(alloc);
|
||||
|
||||
Reference in new issue
Block a user