DarthAffe/stable-diffusion.cpp
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sync: update ggml and revert vulkan workarounds for Anima and Ernie (#1710)

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Daniele 2026-06-26 18:52:32 +02:00 committed by GitHub
parent 9ee77fc227
commit 3973015ed7
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3 changed files with 4 additions and 9 deletions
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2
ggml

@ -1 +1 @@
Subproject commit 3af5f5760e19a96427f5f7a93b79cbdf3d4b265b
Subproject commit eced84c86f8b012c752c016f7fe789adea168e1e

7
src/model/diffusion/anima.hpp
View File

@ -227,7 +227,6 @@ namespace Anima {
k4 = k_norm->forward(ctx, k4);
ggml_tensor* attn_out = nullptr;
float scale = (sd_backend_is(ctx->backend, "Vulkan") && ctx->flash_attn_enabled) ? 1.0f / 32.0f : 1.0f;
if (pe_q != nullptr || pe_k != nullptr) {
if (pe_q == nullptr) {
pe_q = pe_k;
@ -245,8 +244,7 @@ namespace Anima {
num_heads,
nullptr,
true,
ctx->flash_attn_enabled,
scale);
ctx->flash_attn_enabled);
} else {
auto q_flat = ggml_reshape_3d(ctx->ggml_ctx, q4, head_dim * num_heads, L_q, N);
auto k_flat = ggml_reshape_3d(ctx->ggml_ctx, k4, head_dim * num_heads, L_k, N);
@ -258,8 +256,7 @@ namespace Anima {
num_heads,
nullptr,
false,
ctx->flash_attn_enabled,
scale);
ctx->flash_attn_enabled);
}
return out_proj->forward(ctx, attn_out);

4
src/model/diffusion/ernie_image.hpp
View File

@ -162,8 +162,6 @@ namespace ErnieImage {
int64_t S = x->ne[1];
int64_t N = x->ne[2];
float scale = (sd_backend_is(ctx->backend, "Vulkan") && ctx->flash_attn_enabled) ? 1.0f / 32.0f : 1.0f;
auto q = to_q->forward(ctx, x);
auto k = to_k->forward(ctx, x);
auto v = to_v->forward(ctx, x);
@ -184,7 +182,7 @@ namespace ErnieImage {
k = ggml_cont(ctx->ggml_ctx, ggml_permute(ctx->ggml_ctx, k, 0, 2, 1, 3)); // [N, heads, S, head_dim]
k = ggml_reshape_3d(ctx->ggml_ctx, k, k->ne[0], k->ne[1], k->ne[2] * k->ne[3]);
x = ggml_ext_attention_ext(ctx->ggml_ctx, ctx->backend, q, k, v, num_heads, attention_mask, true, ctx->flash_attn_enabled, scale); // [N, S, hidden_size]
x = ggml_ext_attention_ext(ctx->ggml_ctx, ctx->backend, q, k, v, num_heads, attention_mask, true, ctx->flash_attn_enabled); // [N, S, hidden_size]
x = to_out_0->forward(ctx, x);
return x;
}