From 7c128bbdac0da1767c239174e91af6f327845372 Mon Sep 17 00:00:00 2001
From: Kohaku-Blueleaf <59680068+KohakuBlueleaf@users.noreply.github.com>
Date: Thu, 19 Oct 2023 13:56:17 +0800
Subject: Add fp8 for sd unet

---
 modules/sd_models.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'modules/sd_models.py')

diff --git a/modules/sd_models.py b/modules/sd_models.py
index 3b6cdea1..3b8ff820 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -391,6 +391,9 @@ def load_model_weights(model, checkpoint_info: CheckpointInfo, state_dict, timer
 
         devices.dtype_unet = torch.float16
         timer.record("apply half()")
+        if shared.cmd_opts.opt_unet_fp8_storage:
+            model.model.diffusion_model = model.model.diffusion_model.to(torch.float8_e4m3fn)
+            timer.record("apply fp8 unet")
 
     devices.unet_needs_upcast = shared.cmd_opts.upcast_sampling and devices.dtype == torch.float16 and devices.dtype_unet == torch.float16
 
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