VictorMylle/Kohya-ss-sd-scripts
1
0
Fork 1
mirror of https://github.com/kohya-ss/sd-scripts.git synced 2026-04-08 22:35:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

Disable IPEX attention if the GPU supports 64 bit

Browse Source
This commit is contained in:
Disty0
2023-12-05 19:40:16 +03:00
parent bce9a081db
commit 3d70137d31
4 changed files with 24 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
library/ipex/gradscaler.py
View File

@@ -5,6 +5,7 @@ import intel_extension_for_pytorch._C as core # pylint: disable=import-error, un
# pylint: disable=protected-access, missing-function-docstring, line-too-long
device_supports_fp64 = torch.xpu.has_fp64_dtype()
OptState = ipex.cpu.autocast._grad_scaler.OptState
_MultiDeviceReplicator = ipex.cpu.autocast._grad_scaler._MultiDeviceReplicator
_refresh_per_optimizer_state = ipex.cpu.autocast._grad_scaler._refresh_per_optimizer_state
@@ -96,7 +97,10 @@ def unscale_(self, optimizer):
# FP32 division can be imprecise for certain compile options, so we carry out the reciprocal in FP64.
assert self._scale is not None
inv_scale = self._scale.to("cpu").double().reciprocal().float().to(self._scale.device)
if device_supports_fp64:
inv_scale = self._scale.double().reciprocal().float()
else:
inv_scale = self._scale.to("cpu").double().reciprocal().float().to(self._scale.device)
found_inf = torch.full(
(1,), 0.0, dtype=torch.float32, device=self._scale.device
)