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improved readme

This commit is contained in:
Peter Doak 2018-06-16 18:48:08 -04:00
parent 9ae0d9222e
commit 001afba76a
1 changed files with 11 additions and 2 deletions
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examples/profiling/README.md
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@ -7,7 +7,7 @@ With CUDA:
* Running: With the performance tests set up. * Running: With the performance tests set up.
``` shell ``` shell
[epd@oxygen ]$ export QMCPACK_APP=/path/to/your/instrumented/bin/qmcpack [epd@oxygen ]$ export QMCPACK_APP=/path/to/your/instrumented/bin/qmcpack
[epd@oxygen ]$ cd /performace/NiO/sample/dmc-a4-e48-gpu [epd@oxygen ]$ cd /your_scratch/performace/NiO/sample/dmc-a4-e48-gpu
[epd@oxygen ]$ OMP_NUM_THREADS=12 XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic" nvprof -o simul.nvprof $QMCPACK_APP NiO-fcc-S1-dmc.xml [epd@oxygen ]$ OMP_NUM_THREADS=12 XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic" nvprof -o simul.nvprof $QMCPACK_APP NiO-fcc-S1-dmc.xml
[epd@oxygen ]$ llvm-xray account xray-log.qmcpack.yrxHG1 -instr_map=$QMCPACK_APP -sort=med -top=10 -sortorder=dsc [epd@oxygen ]$ llvm-xray account xray-log.qmcpack.yrxHG1 -instr_map=$QMCPACK_APP -sort=med -top=10 -sortorder=dsc
@ -33,8 +33,17 @@ If you also have a new version of llvm installed you can use the newer xray tool
Then convert into chrome viewable html doc using the [catapult](https://github.com/catapult-project/catapult) tool. Then convert into chrome viewable html doc using the [catapult](https://github.com/catapult-project/catapult) tool.
``` ``` shell
~/codes/catapult/tracing/bin/trace2html dmc-a4-e48-gpu.trace -o dmc-a4-e48-gpu.html ~/codes/catapult/tracing/bin/trace2html dmc-a4-e48-gpu.trace -o dmc-a4-e48-gpu.html
``` ```
[example -- only works with chrome](http://cdash-minimal.ornl.gov/profiling/dmc-a4-e48-gpu.html) [example -- only works with chrome](http://cdash-minimal.ornl.gov/profiling/dmc-a4-e48-gpu.html)
You can then download the nvprof trace:
``` shell
$ scp /your_scratch/performace/NiO/sample/dmc-a4-e48-gpu/simul.nvprof ./
$ nvvp
```
You'll need to import simul.nvprof to a new session in nvvp.
Then you'll be able look at the traces from the CPU and GPU point of view at the same time.