Raw data generated by iklam on Tue Sep 30 10:14:22 AM PDT 2025

HOWTO: https://github.com/openjdk/leyden/blob/ce150637130086ad2b47916d66148007f5331a28/README.md#5-benchmarking

+ bash -c 'cat /proc/cpuinfo | egrep "(vendor_id)|(model name)" | head -2'
vendor_id	: GenuineIntel
model name	: Intel(R) Core(TM) i7-14700
+ bash -c 'cat /proc/cpuinfo | egrep "(processor)" | tail -1'
processor	: 27
+ bash -c 'cat /proc/meminfo | head -1'
MemTotal:       63420144 kB

+ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=24.04
DISTRIB_CODENAME=noble
DISTRIB_DESCRIPTION="Ubuntu 24.04.1 LTS"

+ bash -c '$BLDJDK_HOME/bin/java --version'
java 24 2025-03-18
Java(TM) SE Runtime Environment (build 24+36-3646)
Java HotSpot(TM) 64-Bit Server VM (build 24+36-3646, mixed mode, sharing)

+ bash -c '$MAINLINE_HOME/bin/java --version'
java 25 2025-09-16 LTS
Java(TM) SE Runtime Environment (build 25+37-LTS-3491)
Java HotSpot(TM) 64-Bit Server VM (build 25+37-LTS-3491, mixed mode, sharing)

+ bash -c '$PREMAIN_HOME/bin/java --version'
java 26-internal 2026-03-17
Java(TM) SE Runtime Environment (build 26-internal-adhoc.iklam.le4)
Java HotSpot(TM) 64-Bit Server VM (build 26-internal-adhoc.iklam.le4, mixed mode, sharing)
PREMAIN_HOME: built from https://github.com/openjdk/leyden/commit/ce150637130086ad2b47916d66148007f5331a28

------------------------------------------------------------
+ bash -c 'cd helidon-quickstart-se; make bench'
rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* *.aot *.aotconf
rm -f mainline_vs_premain.csv
run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
1,234,126,84,63
2,227,125,79,62
3,240,123,87,67
4,249,121,75,65
5,235,121,77,67
6,244,121,92,62
7,235,122,77,71
8,235,125,94,63
9,228,119,83,65
10,236,126,82,74
Geomean,236.22,122.88,82.78,65.80 (3.59x improvement)
Stdev,6.33,2.34,6.10,3.78
Markdown snippets in mainline_vs_premain.md
+ bash -c 'cat helidon-quickstart-se/mainline_vs_premain.md'
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (ms, smaller is better)" 0 --> 236.22
    bar [236.22, 122.88, 82.78, 65.80]
```

-----------------Normalized---------------------------------------------
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
    bar [1000, 520, 350, 279]
```

------------------------------------------------------------
+ bash -c 'cd javac_bench; make bench'
rm -f  *.class *.jar tmp.txt
rm -f mainline_vs_premain.csv
run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
1,461,376,264,212
2,477,361,275,211
3,475,373,269,206
4,458,386,264,209
5,471,362,276,227
6,468,358,260,208
7,464,374,285,211
8,464,362,262,213
9,468,371,261,210
10,485,359,266,213
Geomean,469.04,368.10,268.09,211.93 (2.21x improvement)
Stdev,7.73,8.72,7.67,5.42
Markdown snippets in mainline_vs_premain.md
+ bash -c 'cat javac_bench/mainline_vs_premain.md'
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (ms, smaller is better)" 0 --> 469.04
    bar [469.04, 368.10, 268.09, 211.93]
```

-----------------Normalized---------------------------------------------
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
    bar [1000, 785, 572, 452]
```

------------------------------------------------------------
+ bash -c 'cd micronaut-first-app; make bench'
rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* *.aot *.aotconf
rm -f mainline_vs_premain.csv
run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
1,317,158,116,116
2,322,161,140,104
3,309,153,119,110
4,325,141,116,97
5,315,151,122,99
6,323,160,132,111
7,315,148,119,110
8,308,150,129,118
9,317,153,116,104
10,316,153,119,124
Geomean,316.66,152.69,122.57,109.00 (2.91x improvement)
Stdev,5.27,5.65,7.76,8.09
Markdown snippets in mainline_vs_premain.md
+ bash -c 'cat micronaut-first-app/mainline_vs_premain.md'
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (ms, smaller is better)" 0 --> 316.66
    bar [316.66, 152.69, 122.57, 109.00]
```

-----------------Normalized---------------------------------------------
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
    bar [1000, 482, 387, 344]
```

------------------------------------------------------------
+ bash -c 'cd quarkus-getting-started; make bench'
rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* *.aot *.aotconf
rm -f mainline_vs_premain.csv
run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
1,347,169,143,114
2,343,180,148,117
3,328,170,158,128
4,341,167,140,107
5,350,161,136,115
6,351,176,138,117
7,347,172,137,103
8,340,174,135,112
9,352,178,158,129
10,334,168,140,118
Geomean,343.22,171.41,143.08,115.75 (2.97x improvement)
Stdev,7.38,5.41,8.16,7.68
Markdown snippets in mainline_vs_premain.md
+ bash -c 'cat quarkus-getting-started/mainline_vs_premain.md'
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (ms, smaller is better)" 0 --> 343.22
    bar [343.22, 171.41, 143.08, 115.75]
```

-----------------Normalized---------------------------------------------
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
    bar [1000, 499, 417, 337]
```

------------------------------------------------------------
+ bash -c 'cd spring-boot-getting-started; make bench'
rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* tmp.txt *.aot *.aotconf
rm -f mainline_vs_premain.csv
run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
1,493,244,163,114
2,508,246,166,148
3,493,244,164,115
4,493,246,163,117
5,498,242,162,120
6,494,247,167,123
7,504,241,165,112
8,496,247,173,119
9,504,251,166,127
10,492,242,163,113
Geomean,497.47,244.98,165.17,120.41 (4.13x improvement)
Stdev,5.48,2.86,3.03,10.10
Markdown snippets in mainline_vs_premain.md
+ bash -c 'cat spring-boot-getting-started/mainline_vs_premain.md'
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (ms, smaller is better)" 0 --> 497.47
    bar [497.47, 244.98, 165.17, 120.41]
```

-----------------Normalized---------------------------------------------
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
    bar [1000, 492, 332, 242]
```

------------------------------------------------------------
+ bash -c 'cd spring-petclinic; make bench'
rm -f spring-petclinic.* *.aot *.aotconf
rm -f mainline_vs_premain.csv
run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
1,2102,1264,1165,678
2,2174,1237,1126,680
3,2139,1256,1140,679
4,2158,1428,1288,673
5,2320,1550,1358,684
6,2259,1470,1371,685
7,2415,1460,1336,671
8,2309,1452,1342,674
9,2346,1427,1348,677
10,2312,1418,1337,668
Geomean,2251.24,1392.48,1277.62,676.88 (3.33x improvement)
Stdev,98.54,100.60,92.63,5.19
Markdown snippets in mainline_vs_premain.md
+ bash -c 'cat spring-petclinic/mainline_vs_premain.md'
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (ms, smaller is better)" 0 --> 2251.24
    bar [2251.24, 1392.48, 1277.62, 676.88]
```

-----------------Normalized---------------------------------------------
```mermaid
---
config:
    theme: "forest"
    xyChart:
        chartOrientation: horizontal
        height: 300
---
xychart-beta
    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
    bar [1000, 619, 568, 301]
```