Hi all, *Operating system*
- Angstrom booting from internal 2 GB memory - Ubuntu 13.04 booting from external 4GB SDcard. *Ruby* - On Angstrom - Able to run Ruby 1.9.3p194 - On Ubuntu - Able to run ruby 2.1.0dev Now the import part- *JRuby on Angstrom:* - Zero VM - jruby 1.6.5.1 (ruby-1.8.7-p330) (OpenJDK Zero VM 1.6.0_24) - Cacao VM - jruby 1.6.5.1 (ruby-1.8.7-p330) (CACAO 1.6.0_24) - JamVM - jruby 1.6.5.1 (ruby-1.8.7-p330) (JamVM 1.6.0_24) - Oracle Embedded VM- jruby 1.7.5.dev (1.9.3p392) on Java HotSpot(TM) Embedded Client VM 1.7.0_21-b11 {Headful & Headless} jruby 1.7.5.dev (1.9.3p392) on Java HotSpot(TM) Embedded Server VM 1.7.0_21-b11 {Headless} - OpenJdk7 Hotspot- jruby 1.7.5.dev (1.9.3p392) on Java HotSpot(TM) Client VM 1.7.0_40-b40 +indy {only Softfloat} - OpenJdk8 Hotspot- Hardfloat does not work on Angstrom *Ubuntu 13.04 ARM:* - Zero VM - jruby 1.6.5.1 (ruby-1.8.7-p330) (OpenJDK Zero VM 1.7.0_25) - Cacao VM - jruby 1.6.5.1 (ruby-1.8.7-p330) (CACAO 1.6.0_27) - JamVM- jruby 1.6.5.1 (ruby-1.8.7-p330) (JamVM 1.7.0_25) - Oracle Embedded VM - jruby 1.7.5.dev (1.9.3p392) on Java HotSpot(TM) Embedded Client VM 1.7.0_21-b11 {Headful & Headless} jruby 1.7.5.dev (1.9.3p392) on Java HotSpot(TM) Embedded Server VM 1.7.0_21-b11 {Headless} - OpenJdk7 Hotspot- jruby 1.7.5.dev (1.9.3p392) on Java HotSpot(TM) Client VM 1.7.0_40-b40 +indy {Softfloat} & {Hardfloat} - OpenJdk8 Hotspot- jruby 1.7.5.dev (1.9.3p392) on Java HotSpot(TM) Client VM 1.8.0-ea-b104 +indy {HardFloat} - Avian JVM -jruby 1.6.8 (ruby-1.8.7-p357) (Avian 1.7.0_25) *Next Steps: Analysis of performance & Tests-* - Ruby unit tests - JIT Implementation status - 'jruby -J-XX:+PrintCompilation hello.rb' - JRuby Benchmarks(Suggested by Headius)- In rubybench/time/ bench_fib_recursive.rb bench_neural_net.rb bench_nsieve.rb bench_quicksort.rb bench_red_black.rb bench_richards.rb bench_sieve.rb bench_tak.rb bench_threaded_reverse.rb In rubybench/ips/ using benchmark_suite gem bench_fib_complex.rb In rubybench/perfer/ using perfer gem bench_base64.rb bench_fractal.rb Your suggestions will us to get a better JVM for embedded JRuby. Thank you. -- Kumar Sukhani +919579650250