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lora: unapply current loras properly #590

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Merged
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Feb 22, 2025
Merged

lora: unapply current loras properly #590

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25 changes: 13 additions & 12 deletions stable-diffusion.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -673,19 +673,20 @@ class StableDiffusionGGML {
for (auto& kv : lora_state) {
const std::string& lora_name = kv.first;
float multiplier = kv.second;

if (curr_lora_state.find(lora_name) != curr_lora_state.end()) {
float curr_multiplier = curr_lora_state[lora_name];
float multiplier_diff = multiplier - curr_multiplier;
if (multiplier_diff != 0.f) {
lora_state_diff[lora_name] = multiplier_diff;
}
} else {
lora_state_diff[lora_name] = multiplier;
}
lora_state_diff[lora_name] += multiplier;
}
for (auto& kv : curr_lora_state) {
const std::string& lora_name = kv.first;
float curr_multiplier = kv.second;
lora_state_diff[lora_name] -= curr_multiplier;
}

size_t rm = lora_state_diff.size() - lora_state.size();
if (rm != 0) {
LOG_INFO("Attempting to apply %lu LoRAs (removing %lu applied LoRAs)", lora_state.size(), rm);
} else {
LOG_INFO("Attempting to apply %lu LoRAs", lora_state.size());
}

LOG_INFO("Attempting to apply %lu LoRAs", lora_state.size());

for (auto& kv : lora_state_diff) {
apply_lora(kv.first, kv.second);
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