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@@ -17,7 +17,7 @@ Please cite this paper in any work which leverages our library. Here's the BibTe
17} 17}
18``` 18```
19 19
20Please see [the paper](https://www.cs.unc.edu/~jbakita/rtas23.pdf) and libsmctrl.h for details and examples of how to use this library. 20Please see [the paper](https://www.cs.unc.edu/~jbakita/rtas23.pdf) and `libsmctrl.h` for details and examples of how to use this library.
21We strongly encourage consulting those resources first; the below comments serve merely as an appendum. 21We strongly encourage consulting those resources first; the below comments serve merely as an appendum.
22 22
23## Run-time Dependencies 23## Run-time Dependencies
@@ -104,6 +104,7 @@ make tests
104 - Only relevant on GPUs with over 128 TPCs, such as the RTX 6000 Ada 104 - Only relevant on GPUs with over 128 TPCs, such as the RTX 6000 Ada
105- Untested on H100 (compute capability 9.0) 105- Untested on H100 (compute capability 9.0)
106- Untested on non-Jetson `aarch64` platforms 106- Untested on non-Jetson `aarch64` platforms
107- Untested on CUDA 11.8, 12.0, and 12.1 on Jetson `aarch64`
107 108
108## Important Limitations 109## Important Limitations
109 110
@@ -113,7 +114,7 @@ make tests
1132. No aspect of this system prevents implicit synchronization on the GPU. 1142. No aspect of this system prevents implicit synchronization on the GPU.
114 See prior work, particularly that of Amert et al. (perhaps the CUPiD^RT paper), for ways to avoid this. 115 See prior work, particularly that of Amert et al. (perhaps the CUPiD^RT paper), for ways to avoid this.
115 116
116## Porting to New Architectures 117## Porting Stream Masking to Newer CUDA Versions
117 118
118Build the tests with `make tests`. And then run the following: 119Build the tests with `make tests`. And then run the following:
119``` 120```
@@ -124,7 +125,7 @@ How this works:
124 125
1251. If `MASK_OFF` is set, `libsmctrl` applies this as a byte offset to a base address for the location 1261. If `MASK_OFF` is set, `libsmctrl` applies this as a byte offset to a base address for the location
126 of the SM mask fields in CUDA's stream data structure. 127 of the SM mask fields in CUDA's stream data structure.
127 - That base address is the one for CUDA 12.2 at time of writing 128 - That base address is the one for CUDA 12.2 at time of writing.
1282. The stream masking test is run. 1292. The stream masking test is run.
1293. If the test succeeded (returned zero) the loop aborts, otherwise it increments the offset to attempt and repeats. 1303. If the test succeeded (returned zero) the loop aborts, otherwise it increments the offset to attempt and repeats.
130 131