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Update command options to use Oracle GraalVM + update timing results
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@plokhotnyuk
plokhotnyuk committed Dec 3, 2024
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Expand Up @@ -5,7 +5,7 @@
Here you will learn how to build and run the simplest example and measure the startup time on Linux using
Debian packages

### Build uber jar, print its size, and measure its start up time
### Build uber jar, print its size, and measure its start up time (tested with Oracle GraalVM 24-dev)

```sh
sudo apt install linux-tools-common linux-tools-generic
Expand All @@ -18,20 +18,20 @@ Expected output:
```text
Performance counter stats for './example01.jar' (100 runs):
175.84 msec task-clock # 1.593 CPUs utilized ( +- 0.21% )
1,100 context-switches # 6.256 K/sec ( +- 0.83% )
11 cpu-migrations # 62.556 /sec ( +- 2.06% )
10,057 page-faults # 57.193 K/sec ( +- 0.04% )
720,474,662 cycles # 4.097 GHz ( +- 0.17% )
946,247,562 instructions # 1.31 insn per cycle ( +- 0.07% )
183,694,120 branches # 1.045 G/sec ( +- 0.07% )
7,111,513 branch-misses # 3.87% of all branches ( +- 0.08% )
TopdownL1 # 13.9 % tma_backend_bound
# 33.9 % tma_bad_speculation
# 31.5 % tma_frontend_bound
# 20.8 % tma_retiring ( +- 0.12% )
275.05 msec task-clock # 2.067 CPUs utilized ( +- 0.19% )
1,970 context-switches # 7.162 K/sec ( +- 0.48% )
15 cpu-migrations # 54.536 /sec ( +- 2.23% )
22,159 page-faults # 80.565 K/sec ( +- 0.20% )
1,101,372,203 cycles # 4.004 GHz ( +- 0.20% )
1,504,873,660 instructions # 1.37 insn per cycle ( +- 0.10% )
297,952,673 branches # 1.083 G/sec ( +- 0.10% )
9,110,277 branch-misses # 3.06% of all branches ( +- 0.11% )
TopdownL1 # 14.1 % tma_backend_bound
# 35.6 % tma_bad_speculation
# 30.0 % tma_frontend_bound
# 20.3 % tma_retiring ( +- 0.13% )
0.110362 +- 0.000163 seconds time elapsed ( +- 0.15% )
0.133067 +- 0.000190 seconds time elapsed ( +- 0.14% )
```

### Build Scala JS output, print its size, and measure its start up time with `node`
Expand Down Expand Up @@ -102,28 +102,28 @@ Expected output:
```sh
sudo apt install linux-tools-common linux-tools-generic gcc zlib1g-dev
sudo sysctl kernel.perf_event_paranoid=1
scala-cli --power package --graalvm-jvm-id graalvm-java23:23.0.0 --native-image example01.sc --force -o example01_graalvm.bin -- --no-fallback -Os
scala-cli --power package --graalvm-jvm-id graalvm-oracle:23 --native-image example01.sc --force -o example01_graalvm.bin -- --no-fallback -O3
ls -l ./example01_graalvm.bin
perf stat -r 100 ./example01_graalvm.bin > /dev/null
```
Expected output:
```text
Performance counter stats for './example01_graalvm.bin' (100 runs):
2.02 msec task-clock # 0.945 CPUs utilized ( +- 0.49% )
1 context-switches # 493.912 /sec ( +- 8.42% )
1.84 msec task-clock # 0.939 CPUs utilized ( +- 0.40% )
1 context-switches # 542.721 /sec ( +- 3.21% )
0 cpu-migrations # 0.000 /sec
706 page-faults # 348.702 K/sec ( +- 0.01% )
8,343,057 cycles # 4.121 GHz ( +- 0.57% )
11,631,591 instructions # 1.39 insn per cycle ( +- 0.04% )
2,267,207 branches # 1.120 G/sec ( +- 0.03% )
22,802 branch-misses # 1.01% of all branches ( +- 0.78% )
TopdownL1 # 34.0 % tma_backend_bound
# 6.4 % tma_bad_speculation
# 29.4 % tma_frontend_bound
# 30.2 % tma_retiring ( +- 0.57% )
633 page-faults # 343.543 K/sec ( +- 0.01% )
7,594,064 cycles # 4.121 GHz ( +- 0.49% )
11,150,492 instructions # 1.47 insn per cycle ( +- 0.04% )
2,133,178 branches # 1.158 G/sec ( +- 0.03% )
21,759 branch-misses # 1.02% of all branches ( +- 0.84% )
TopdownL1 # 32.0 % tma_backend_bound
# 6.5 % tma_bad_speculation
# 30.0 % tma_frontend_bound
# 31.5 % tma_retiring ( +- 0.49% )
0.0021429 +- 0.0000126 seconds time elapsed ( +- 0.59% )
0.00196304 +- 0.00000988 seconds time elapsed ( +- 0.50% )
```

### Build Scala Native image, print its size, and measure its start up time
Expand Down Expand Up @@ -184,7 +184,7 @@ Here is an example of expected output:
Timing buffered disk reads: 2180 MB in 3.04 seconds = 716.07 MB/sec
```

### Build uber jar, print its size, and measure its running time (tested with Oracle Graal VM 24-dev)
### Build uber jar, print its size, and measure its running time (tested with Oracle GraalVM 24-dev)

```sh
scala-cli --power package --assembly example02.sc --force -o example02.jar
Expand All @@ -193,23 +193,23 @@ time ./example02.jar -J-XX:+UnlockExperimentalVMOptions -J-XX:+UseEpsilonGC -J-X
```
Expected output:
```text
real 1m2,667s
user 0m59,750s
sys 0m3,171s
real 1m8.991s
user 1m5.239s
sys 0m4.102s
```

### Build GraalVM native image, print its size, and measure its running time

```sh
scala-cli --power package --graalvm-jvm-id graalvm-java23:23.0.0 --native-image example02.sc --force -o example02_graalvm.bin -- --no-fallback --gc=epsilon -Os
scala-cli --power package --graalvm-jvm-id graalvm-oracle:23 --native-image example02.sc --force -o example02_graalvm.bin -- --no-fallback --gc=epsilon -O3
ls -l ./example02_graalvm.bin
time ./example02_graalvm.bin < 2023_06_430_65B0_in_network_rates.json 2> /dev/null
```
Expected output:
```text
real 1m45,502s
user 1m42,411s
sys 0m3,088s
real 1m34.353s
user 1m29.199s
sys 0m5.151s
```

### Build Scala Native image, print its size, and measure its running time
Expand All @@ -221,7 +221,7 @@ time ./example02_native.bin < 2023_06_430_65B0_in_network_rates.json 2> /dev/nul
```
Expected output:
```text
real 1m25,617s
user 1m22,498s
sys 0m3,116s
real 1m27.275s
user 1m23.233s
sys 0m4.038s
```

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