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1.d. Profiling & Debugging · Changes

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Update 1.d. Profiling & Debugging authored by Okke van Eck's avatar Okke van Eck
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1.d.-Profiling-&-Debugging.md
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...@@ -141,6 +141,7 @@ There are also environment variables that can be set for extra information durin ...@@ -141,6 +141,7 @@ There are also environment variables that can be set for extra information durin
|:----------------------:|:---------------:|:-----------:|:------------------:| |:----------------------:|:---------------:|:-----------:|:------------------:|
| NCPUS | [N] | 1 | Sets the number of processes or threads used in parallel regions. *NOTE: Same as OMP_NUM_THREADS, kept for historical reasons.* | | NCPUS | [N] | 1 | Sets the number of processes or threads used in parallel regions. *NOTE: Same as OMP_NUM_THREADS, kept for historical reasons.* |
| NVCOMPILER_ACC_NOTIFY | <ul><li>`1`: Kernel launches only</li><li>`2`: Data transfers only</li><li>`3`: Kernel launches and data transfers</li><li>`4`: region entry/exits only</li><li>`5`: region entry/exits and kernel launches</li><li>`8`: wait operations, synchronizatoins</li><li>`16`: (de)allocation of device memory</li></ul> | 3 | Print information for GPU-related events. | | NVCOMPILER_ACC_NOTIFY | <ul><li>`1`: Kernel launches only</li><li>`2`: Data transfers only</li><li>`3`: Kernel launches and data transfers</li><li>`4`: region entry/exits only</li><li>`5`: region entry/exits and kernel launches</li><li>`8`: wait operations, synchronizatoins</li><li>`16`: (de)allocation of device memory</li></ul> | 3 | Print information for GPU-related events. |
| NV_ACC_DEBUG | [0\|1] | 1 | Info on devices, launches, function arguments. |
### Hardware independent ### Hardware independent
There are also hardware independent environment variables that gives us runtime information. There are also hardware independent environment variables that gives us runtime information.
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