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ex-ert
These examples executes microkernels (with and without using Kokkos respectively) with varying workload (working set sizes and float/double types) to demonstrate the usage of empirical roofline toolkit (ERT) component for generation of performance data for roofline analysis.
Build
See examples. Further, the ex-ert-kokkos example requires kokkos support enabled by enabling -DTIMEMORY_BUILD_KOKKOS_TOOLS=ON flag.
Expected Output
$ ./ex_ert
#------------------------- tim::manager initialized [id=0][pid=8418] -------------------------#
[ert-example]> Executing run_ert_float_cpu_1_threads_64_min-ws_31457280_max-size...
[ert::executor]> working-set = 64, max-size = 31457280, num-thread = 1, num-stream = 0, grid-size = 0, block-size = 0, align-size = 32, data-type = float
|0>>> run_ert_float_cpu_1_threads_64_min-ws_31457280_max-size : 11.325 sec wall, 0.030 sec sys, 11.300 sec user, 100.0 % cpu_util, 62.084 MB peak_rss, [laps: 1]
[ert-example]> Executing run_ert_float_cpu_2_threads_64_min-ws_31457280_max-size...
[ert::executor]> working-set = 64, max-size = 31457280, num-thread = 2, num-stream = 0, grid-size = 0, block-size = 0, align-size = 32, data-type = float
|0>>> run_ert_float_cpu_2_threads_64_min-ws_31457280_max-size : 5.413 sec wall, 0.020 sec sys, 10.800 sec user, 199.9 % cpu_util, 31.352 MB peak_rss, [laps: 1]
[ert-example]> Executing run_ert_double_cpu_1_threads_64_min-ws_31457280_max-size...
[ert::executor]> working-set = 64, max-size = 31457280, num-thread = 1, num-stream = 0, grid-size = 0, block-size = 0, align-size = 64, data-type = double
|0>>> run_ert_double_cpu_1_threads_64_min-ws_31457280_max-size : 2.325 sec wall, 0.020 sec sys, 2.300 sec user, 99.8 % cpu_util, 92.136 MB peak_rss, [laps: 1]
[ert-example]> Executing run_ert_double_cpu_2_threads_64_min-ws_31457280_max-size...
[ert::executor]> working-set = 64, max-size = 31457280, num-thread = 2, num-stream = 0, grid-size = 0, block-size = 0, align-size = 64, data-type = double
|0>>> run_ert_double_cpu_2_threads_64_min-ws_31457280_max-size : 1.217 sec wall, 0.000 sec sys, 2.440 sec user, 200.5 % cpu_util, 0.692 MB peak_rss, [laps: 1]
[0]> Outputting 'timemory-ex-ert-output/ert_results.json'...
[peak_rss]|0> Outputting 'timemory-ex-ert-output/peak_rss.json'...
[peak_rss]|0> Outputting 'timemory-ex-ert-output/peak_rss.txt'...
Opening 'timemory-ex-ert-output/peak_rss.jpeg' for output...
Closed 'timemory-ex-ert-output/peak_rss.jpeg'...
|----------------------------------------------------------------------------------------------------------------------------------------------------------------|
| MEASURES CHANGES IN THE HIGH-WATER MARK FOR THE AMOUNT OF MEMORY ALLOCATED IN RAM. MAY FLUCTUATE IF SWAP IS ENABLED |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------|
| LABEL | COUNT | DEPTH | METRIC | UNITS | SUM | MEAN | MIN | MAX | STDDEV | % SELF |
|----------------------------------------------------------------|--------|--------|----------|--------|---------|---------|---------|---------|--------|--------|
| >>> run_ert | 1 | 0 | peak_rss | MB | 186.596 | 186.596 | 186.596 | 186.596 | 0.000 | 0.2 |
| >>> |_run_ert_float_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | peak_rss | MB | 62.084 | 62.084 | 62.084 | 62.084 | 0.000 | 100.0 |
| >>> |_run_ert_float_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | peak_rss | MB | 31.352 | 31.352 | 31.352 | 31.352 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | peak_rss | MB | 92.136 | 92.136 | 92.136 | 92.136 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | peak_rss | MB | 0.692 | 0.692 | 0.692 | 0.692 | 0.000 | 100.0 |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------|
[cpu_util]|0> Outputting 'timemory-ex-ert-output/cpu_util.json'...
[cpu_util]|0> Outputting 'timemory-ex-ert-output/cpu_util.txt'...
Opening 'timemory-ex-ert-output/cpu_util.jpeg' for output...
Closed 'timemory-ex-ert-output/cpu_util.jpeg'...
|-----------------------------------------------------------------------------------------------------------------------------------------------------|
| PERCENTAGE OF CPU-CLOCK TIME DIVIDED BY WALL-CLOCK TIME |
|-----------------------------------------------------------------------------------------------------------------------------------------------------|
| LABEL | COUNT | DEPTH | METRIC | UNITS | SUM | MEAN | MIN | MAX | STDDEV | % SELF |
|----------------------------------------------------------------|-------|-------|----------|-------|-------|-------|-------|-------|--------|--------|
| >>> run_ert | 1 | 0 | cpu_util | % | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| >>> |_run_ert_float_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | cpu_util | % | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| >>> |_run_ert_float_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | cpu_util | % | 199.9 | 199.9 | 199.9 | 199.9 | 0.0 | 100.0 |
| >>> |_run_ert_double_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | cpu_util | % | 99.8 | 99.8 | 99.8 | 99.8 | 0.0 | 100.0 |
| >>> |_run_ert_double_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | cpu_util | % | 200.5 | 200.5 | 200.5 | 200.5 | 0.0 | 100.0 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------|
[user]|0> Outputting 'timemory-ex-ert-output/user.flamegraph.json'...
[user]|0> Outputting 'timemory-ex-ert-output/user.json'...
[user]|0> Outputting 'timemory-ex-ert-output/user.txt'...
Opening 'timemory-ex-ert-output/user.jpeg' for output...
Closed 'timemory-ex-ert-output/user.jpeg'...
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| CPU TIME SPENT IN USER-MODE |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| LABEL | COUNT | DEPTH | METRIC | UNITS | SUM | MEAN | MIN | MAX | STDDEV | % SELF |
|----------------------------------------------------------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| >>> run_ert | 1 | 0 | user | sec | 27.810 | 27.810 | 27.810 | 27.810 | 0.000 | 3.5 |
| >>> |_run_ert_float_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | user | sec | 11.300 | 11.300 | 11.300 | 11.300 | 0.000 | 100.0 |
| >>> |_run_ert_float_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | user | sec | 10.800 | 10.800 | 10.800 | 10.800 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | user | sec | 2.300 | 2.300 | 2.300 | 2.300 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | user | sec | 2.440 | 2.440 | 2.440 | 2.440 | 0.000 | 100.0 |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
[sys]|0> Outputting 'timemory-ex-ert-output/sys.flamegraph.json'...
[sys]|0> Outputting 'timemory-ex-ert-output/sys.json'...
[sys]|0> Outputting 'timemory-ex-ert-output/sys.txt'...
Opening 'timemory-ex-ert-output/sys.jpeg' for output...
Closed 'timemory-ex-ert-output/sys.jpeg'...
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| CPU TIME SPENT IN KERNEL-MODE |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| LABEL | COUNT | DEPTH | METRIC | UNITS | SUM | MEAN | MIN | MAX | STDDEV | % SELF |
|----------------------------------------------------------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| >>> run_ert | 1 | 0 | sys | sec | 0.350 | 0.350 | 0.350 | 0.350 | 0.000 | 80.0 |
| >>> |_run_ert_float_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | sys | sec | 0.030 | 0.030 | 0.030 | 0.030 | 0.000 | 100.0 |
| >>> |_run_ert_float_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | sys | sec | 0.020 | 0.020 | 0.020 | 0.020 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | sys | sec | 0.020 | 0.020 | 0.020 | 0.020 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | sys | sec | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.0 |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
[wall]|0> Outputting 'timemory-ex-ert-output/wall.flamegraph.json'...
[wall]|0> Outputting 'timemory-ex-ert-output/wall.json'...
[wall]|0> Outputting 'timemory-ex-ert-output/wall.txt'...
Opening 'timemory-ex-ert-output/wall.jpeg' for output...
Closed 'timemory-ex-ert-output/wall.jpeg'...
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| REAL-CLOCK TIMER (I.E. WALL-CLOCK TIMER) |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| LABEL | COUNT | DEPTH | METRIC | UNITS | SUM | MEAN | MIN | MAX | STDDEV | % SELF |
|----------------------------------------------------------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| >>> run_ert | 1 | 0 | wall | sec | 22.618 | 22.618 | 22.618 | 22.618 | 0.000 | 10.3 |
| >>> |_run_ert_float_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | wall | sec | 11.325 | 11.325 | 11.325 | 11.325 | 0.000 | 100.0 |
| >>> |_run_ert_float_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | wall | sec | 5.413 | 5.413 | 5.413 | 5.413 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_1_threads_64_min-ws_31457280_max-size | 1 | 1 | wall | sec | 2.325 | 2.325 | 2.325 | 2.325 | 0.000 | 100.0 |
| >>> |_run_ert_double_cpu_2_threads_64_min-ws_31457280_max-size | 1 | 1 | wall | sec | 1.217 | 1.217 | 1.217 | 1.217 | 0.000 | 100.0 |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
[metadata::manager::finalize]> Outputting 'timemory-ex-ert-output/metadata.json'...
#---------------------- tim::manager destroyed [rank=0][id=0][pid=8418] ----------------------#