Newer GPUGRID Tasks Keep GPU Really Hot

Recent GPUGRID tasks, like I60R2-NATHAN_KIDKIXc22 or 27x0-SANTI_RAP74wtCUBIC really keep my NVidia GTX 560 hot, i.e., as warm as 70° Celsius or higher.

Fri Sep  6 17:16:38 2013       
+------------------------------------------------------+                       
| NVIDIA-SMI 5.325.15   Driver Version: 325.15         |                       
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GeForce GTX 560     Off  | 0000:01:00.0     N/A |                  N/A |
| 92%   76C  N/A     N/A /  N/A |      866MB /  1023MB |     N/A      Default |
+-------------------------------+----------------------+----------------------+
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