upstream-archive/stable-diffusion.cpp
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fix: avoid layer splitting unet block paths (#1741)

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leejet
2026-07-05 15:43:12 +08:00
committed by GitHub
parent b11c95a41c
commit e790073e1c
1 changed files with 37 additions and 10 deletions
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47
src/core/layer_split_partition.cpp
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@@ -9,21 +9,48 @@
namespace sd {
static bool layer_split_path_segment_starts_at(const std::string& name, size_t pos) {
return pos == 0 || name[pos - 1] == '.';
}
static bool layer_split_has_path_segment(const std::string& name, const char* segment) {
size_t pos = name.find(segment);
while (pos != std::string::npos) {
if (layer_split_path_segment_starts_at(name, pos)) {
return true;
}
pos = name.find(segment, pos + 1);
}
return false;
}
int layer_split_tensor_block_index(const std::string& name) {
static const char* unet_block_segments[] = {"input_blocks.", "output_blocks.", "middle_block.",
"down_blocks.", "up_blocks.", "mid_block."};
for (const char* segment : unet_block_segments) {
if (layer_split_has_path_segment(name, segment)) {
return -1;
}
}
static const char* block_keywords[] = {"transformer_blocks.", "joint_blocks.", "double_blocks.",
"single_blocks.", "blocks.", "block.", "layers."};
for (const char* keyword : block_keywords) {
size_t pos = name.find(keyword);
if (pos == std::string::npos) {
continue;
}
pos += std::strlen(keyword);
size_t end = pos;
while (end < name.size() && name[end] >= '0' && name[end] <= '9') {
end++;
}
if (end > pos && (end == name.size() || name[end] == '.')) {
return std::atoi(name.substr(pos, end - pos).c_str());
while (pos != std::string::npos) {
if (!layer_split_path_segment_starts_at(name, pos)) {
pos = name.find(keyword, pos + 1);
continue;
}
pos += std::strlen(keyword);
size_t end = pos;
while (end < name.size() && name[end] >= '0' && name[end] <= '9') {
end++;
}
if (end > pos && (end == name.size() || name[end] == '.')) {
return std::atoi(name.substr(pos, end - pos).c_str());
}
break;
}
}
return -1;