File size: 6,409 Bytes
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#include "models.h"
ggml_cgraph * clip_graph_exaone4_5::build() {
GGML_ASSERT(model.patch_bias == nullptr);
GGML_ASSERT(model.class_embedding == nullptr);
const int batch_size = 1;
const bool use_window_attn = hparams.n_wa_pattern > 0;
const int n_wa_pattern = hparams.n_wa_pattern;
const int n_pos = n_patches;
const int num_position_ids = n_pos * 4;
const norm_type norm_t = NORM_TYPE_RMS;
const int64_t n_kv_head = hparams.n_head_kv > 0 ? hparams.n_head_kv : n_head;
GGML_ASSERT(n_head % n_kv_head == 0);
int rope_sections[4] = { d_head / 4, d_head / 4, d_head / 4, d_head / 4 };
const float rope_freq_base = hparams.rope_theta > 0.0f ? hparams.rope_theta : 10000.0f;
ggml_tensor * inp_raw = build_inp_raw();
ggml_tensor * inp = ggml_conv_2d(ctx0, model.patch_embeddings_0, inp_raw, patch_size, patch_size, 0, 0, 1, 1);
GGML_ASSERT(img.nx() % (patch_size * 2) == 0);
GGML_ASSERT(img.ny() % (patch_size * 2) == 0);
{
ggml_tensor * inp_1 = ggml_conv_2d(ctx0, model.patch_embeddings_1, inp_raw, patch_size, patch_size, 0, 0, 1, 1);
inp = ggml_add(ctx0, inp, inp_1);
inp = ggml_permute(ctx0, inp, 1, 2, 0, 3);
inp = ggml_cont_4d(
ctx0, inp,
n_embd * 2, n_patches_x / 2, n_patches_y, batch_size);
inp = ggml_reshape_4d(
ctx0, inp,
n_embd * 2, n_patches_x / 2, 2, batch_size * (n_patches_y / 2));
inp = ggml_permute(ctx0, inp, 0, 2, 1, 3);
inp = ggml_cont_3d(
ctx0, inp,
n_embd, n_patches_x * n_patches_y, batch_size);
}
ggml_tensor * positions = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, num_position_ids);
ggml_set_name(positions, "positions");
ggml_set_input(positions);
ggml_tensor * window_mask = nullptr;
ggml_tensor * window_idx = nullptr;
ggml_tensor * inv_window_idx = nullptr;
if (use_window_attn) {
window_idx = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, n_pos / 4);
ggml_set_name(window_idx, "window_idx");
ggml_set_input(window_idx);
inv_window_idx = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, n_pos / 4);
ggml_set_name(inv_window_idx, "inv_window_idx");
ggml_set_input(inv_window_idx);
window_mask = ggml_new_tensor_2d(ctx0, GGML_TYPE_F32, n_pos, n_pos);
ggml_set_name(window_mask, "window_mask");
ggml_set_input(window_mask);
if (flash_attn_type == CLIP_FLASH_ATTN_TYPE_ENABLED) {
window_mask = ggml_cast(ctx0, window_mask, GGML_TYPE_F16);
}
}
ggml_tensor * inpL = inp;
if (use_window_attn) {
GGML_ASSERT(batch_size == 1);
inpL = ggml_reshape_2d(ctx0, inpL, n_embd * 4, n_patches_x * n_patches_y * batch_size / 4);
inpL = ggml_get_rows(ctx0, inpL, inv_window_idx);
inpL = ggml_reshape_3d(ctx0, inpL, n_embd, n_patches_x * n_patches_y, batch_size);
}
for (int il = 0; il < n_layer; il++) {
const auto & layer = model.layers[il];
const bool full_attn = use_window_attn ? (il + 1) % n_wa_pattern == 0 : true;
ggml_tensor * cur = inpL;
cur = build_norm(cur, layer.ln_1_w, layer.ln_1_b, norm_t, eps, il);
cb(cur, "ln1", il);
{
GGML_ASSERT(layer.qkv_w != nullptr);
cur = build_mm(layer.qkv_w, cur);
if (layer.qkv_b) {
cur = ggml_add(ctx0, cur, layer.qkv_b);
}
const int64_t n_embd_kv = d_head * n_kv_head;
ggml_tensor * Qcur = ggml_view_3d(ctx0, cur, d_head, n_head, n_patches,
ggml_row_size(cur->type, d_head),
cur->nb[1],
0);
ggml_tensor * Kcur = ggml_view_3d(ctx0, cur, d_head, n_kv_head, n_patches,
ggml_row_size(cur->type, d_head),
cur->nb[1],
ggml_row_size(cur->type, n_embd));
ggml_tensor * Vcur = ggml_view_3d(ctx0, cur, d_head, n_kv_head, n_patches,
ggml_row_size(cur->type, d_head),
cur->nb[1],
ggml_row_size(cur->type, n_embd + n_embd_kv));
cb(Qcur, "Qcur", il);
cb(Kcur, "Kcur", il);
cb(Vcur, "Vcur", il);
Qcur = ggml_rope_multi(
ctx0, Qcur, positions, nullptr,
d_head / 2, rope_sections, GGML_ROPE_TYPE_VISION, 32768, rope_freq_base, 1, 0, 1, 32, 1);
Kcur = ggml_rope_multi(
ctx0, Kcur, positions, nullptr,
d_head / 2, rope_sections, GGML_ROPE_TYPE_VISION, 32768, rope_freq_base, 1, 0, 1, 32, 1);
cb(Qcur, "Qcur_rope", il);
cb(Kcur, "Kcur_rope", il);
cb(Vcur, "Vcur", il);
ggml_tensor * attn_mask = full_attn ? nullptr : window_mask;
cur = build_attn(layer.o_w, layer.o_b, Qcur, Kcur, Vcur, attn_mask, kq_scale, il);
cb(cur, "attn_out", il);
}
cur = ggml_add(ctx0, cur, inpL);
inpL = cur;
cb(cur, "ffn_inp", il);
cur = build_norm(cur, layer.ln_2_w, layer.ln_2_b, norm_t, eps, il);
cb(cur, "ffn_inp_normed", il);
cur = build_ffn(cur,
layer.ff_up_w, layer.ff_up_b,
layer.ff_gate_w, layer.ff_gate_b,
layer.ff_down_w, layer.ff_down_b,
hparams.ffn_op, il);
cb(cur, "ffn_out", il);
cur = ggml_add(ctx0, inpL, cur);
cb(cur, "layer_out", il);
inpL = cur;
}
ggml_tensor * embeddings = inpL;
embeddings = build_norm(embeddings, model.post_ln_w, model.post_ln_b, norm_t, eps, n_layer);
embeddings = ggml_reshape_3d(ctx0, embeddings, n_embd * 4, n_pos / 4, batch_size);
embeddings = build_ffn(embeddings,
model.mm_0_w, model.mm_0_b,
nullptr, nullptr,
model.mm_1_w, model.mm_1_b,
FFN_GELU,
-1);
if (use_window_attn) {
GGML_ASSERT(batch_size == 1);
embeddings = ggml_reshape_2d(ctx0, embeddings, hparams.projection_dim, n_patches_x * n_patches_y / 4);
embeddings = ggml_get_rows(ctx0, embeddings, window_idx);
embeddings = ggml_reshape_3d(ctx0, embeddings, hparams.projection_dim, n_patches_x * n_patches_y / 4, batch_size);
}
ggml_build_forward_expand(gf, embeddings);
return gf;
}
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