From 5639033c82b45290eb37b41c9af1a058e48c6278 Mon Sep 17 00:00:00 2001
From: e-maks <my@mmatantsev.ru>
Date: Sun, 8 Mar 2026 00:57:08 +0300
Subject: [PATCH] use fp16

---
 API-GUIDE.md      | 6 ++++++
 README.md         | 8 ++++----
 workflow_api.json | 2 +-
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/API-GUIDE.md b/API-GUIDE.md
index e1a9c9b..a61544e 100644
--- a/API-GUIDE.md
+++ b/API-GUIDE.md
@@ -475,6 +475,12 @@ if queue_size > 5:
 - Недостаточно VRAM
 - Workflow файл повреждён
 
+### Ошибка "Promotion for Float8 Types is not supported"
+
+- **Причина:** Lightspeed модели несовместимы с fp8 text encoder
+- **Решение:** Используй fp16 text encoder (`umt5_xxl_fp16.safetensors`)
+- Официальные WAN 2.2 модели работают с fp8, но кастомные Lightspeed файнтюны требуют fp16
+
 ### Медленная генерация
 
 - Проверьте загрузку GPU: `nvidia-smi`
diff --git a/README.md b/README.md
index e7ce5f0..1a99149 100644
--- a/README.md
+++ b/README.md
@@ -39,14 +39,14 @@ scp "DasiwaWAN22I2V14BLightspeed_synthseductionLowV9.safetensors" ${SERVER}:/Com
 # VAE (~335 MB)
 scp "wan_2.1_vae.safetensors" ${SERVER}:/ComfyUI/models/vae/
 
-# Text Encoder (~4.7 GB)
-scp "umt5_xxl_fp8_e4m3fn_scaled.safetensors" ${SERVER}:/ComfyUI/models/text_encoders/
+# Text Encoder (~9.4 GB, fp16 - required for Lightspeed models)
+scp "umt5_xxl_fp16.safetensors" ${SERVER}:/ComfyUI/models/text_encoders/
 ```
 
 **Скачать модели:**
 - **Checkpoints:** [DaSiWa WAN 2.2 i2v 14B (S) Lightspeed](https://civitai.com/models/1981116)
 - **VAE:** [wan_2.1_vae.safetensors](https://huggingface.co/Comfy-Org/Wan_2.2_ComfyUI_Repackaged/blob/main/split_files/vae/wan_2.1_vae.safetensors)
-- **Text Encoder:** [umt5_xxl_fp8_e4m3fn_scaled.safetensors](https://huggingface.co/Comfy-Org/Wan_2.2_ComfyUI_Repackaged/resolve/main/split_files/text_encoders/umt5_xxl_fp8_e4m3fn_scaled.safetensors)
+- **Text Encoder:** [umt5_xxl_fp16.safetensors](https://huggingface.co/Comfy-Org/Wan_2.2_ComfyUI_Repackaged/resolve/main/split_files/text_encoders/umt5_xxl_fp16.safetensors) (fp16 required for Lightspeed models)
 
 **Структура моделей на сервере:**
 ```
@@ -57,7 +57,7 @@ scp "umt5_xxl_fp8_e4m3fn_scaled.safetensors" ${SERVER}:/ComfyUI/models/text_enco
 ├── vae/
 │   └── wan_2.1_vae.safetensors
 └── text_encoders/
-    └── umt5_xxl_fp8_e4m3fn_scaled.safetensors
+    └── umt5_xxl_fp16.safetensors
 ```
 
 ### 2. Генерация ключей (на любом ПК с Python)
diff --git a/workflow_api.json b/workflow_api.json
index ed13c7d..863da64 100644
--- a/workflow_api.json
+++ b/workflow_api.json
@@ -28,7 +28,7 @@
   },
   "4": {
     "inputs": {
-      "clip_name": "umt5_xxl_fp8_e4m3fn_scaled.safetensors",
+      "clip_name": "umt5_xxl_fp16.safetensors",
       "type": "wan",
       "device": "default"
     },