disabling fastdebug

[Henri Gomez]

And you didn't set DEBUG_NAME ?

Le 10 nov. 2011 à 14:28, Charles Oliver Nutter <headius at headius.com> a écrit :

> Ok, I think I figured out the problem.
> 
> Stephen's build includes DEBUG_NAME and SKIP_FASTDEBUG_BUILD in the
> default set of variables, around line 199 in update.sh. The problem
> seems to be that if DEBUG_NAME is set to "fastdebug" that's the target
> used to build the JDK. Setting the other flags doesn't seem to have
> any effect then.
> 
> I removed that line and set SKIP_FASTDEBUG_BUILD and SKIP_DEBUG_BUILD
> both to "true", and it has built a "product" build now instead.
> 
> FWIW, I also cranked HOTSPOT_BUILD_JOBS up to 8 for my 4-core i7 (8
> with hyperthreading) and the build goes much faster.
> 
> system ~/projects/mlvm/sources $ build/bsd-amd64/j2sdk-image/bin/java -version
> openjdk version "1.8.0-internal"
> OpenJDK Runtime Environment (build 1.8.0-internal-headius_2011_11_10_14_11-b00)
> OpenJDK 64-Bit Server VM (build 23.0-b03, mixed mode)
> 
> The product build is
> definitely faster at starting up and running JRuby benchmarks (first
> with Henri's fastdebug .dmg, then with my product build):
> 
> system ~/projects/jruby $ time jruby -v
> jruby 1.7.0.dev (ruby-1.8.7-p330) (2011-11-07 8e852ac) (OpenJDK 64-Bit
> Server VM 1.8.0-b11-fastdebug) [darwin-amd64-java]
> 
> real    0m1.999s
> user    0m2.106s
> sys    0m0.083s
> 
> system ~/projects/jruby $ jruby bench/bench_fib_complex.rb
>          normal fib       28.0 (±7.1%) i/s -        136 in
> 4.883273s (cycle=2)
>  fib with variables       28.2 (±0.0%) i/s -        142 in
> 5.033941s (cycle=2)
>  fib with constants       21.2 (±4.7%) i/s -        106 in
> 5.006481s (cycle=1)
> fib with additional calls
>                           21.3 (±0.0%) i/s -        107 in
> 5.030669s (cycle=1)
> fib with constants and additional calls
>                           19.0 (±10.5%) i/s -         94 in
> 5.007942s (cycle=1)
> 
> system ~/projects/jruby $ export
> JAVA_HOME=/Users/headius/projects/mlvm/sources/build/bsd-amd64/j2sdk-image
> 
> system ~/projects/jruby $ time jruby -v
> jruby 1.7.0.dev (ruby-1.8.7-p330) (2011-11-07 8e852ac) (OpenJDK 64-Bit
> Server VM 1.8.0-internal) [darwin-amd64-java]
> 
> real    0m0.514s
> user    0m0.518s
> sys    0m0.049s
> 
> system ~/projects/jruby $ jruby bench/bench_fib_complex.rb
>          normal fib       31.4 (±3.2%) i/s -        159 in
> 5.062433s (cycle=3)
>  fib with variables       30.0 (±3.3%) i/s -        150 in
> 4.999186s (cycle=3)
>  fib with constants       23.3 (±0.0%) i/s -        118 in
> 5.069851s (cycle=2)
> fib with additional calls
>                           23.7 (±0.0%) i/s -        120 in
> 5.059472s (cycle=2)
> fib with constants and additional calls
>                           21.5 (±0.0%) i/s -        108 in
> 5.029512s (cycle=2)
> 
> - Charlie
> 
> On Wed, Nov 9, 2011 at 3:15 PM, Henri Gomez <henri.gomez at gmail.com> wrote:
>> 2011/11/9 Henri Gomez <henri.gomez at gmail.com>:
>>> 2011/11/9 Charles Oliver Nutter <headius at headius.com>:
>>>> On Wed, Nov 9, 2011 at 8:35 AM, Henri Gomez <henri.gomez at gmail.com> wrote:
>>>>> I'm wondering about make flags to pass to have fastdebug enabled or disabled.
>>>>> 
>>>>> for now, I'm using :
>>>>> 
>>>>> DEBUG_NAME=fastdebug SKIP_FASTDEBUG_BUILD=true
>>>> 
>>>> I believe you just need to set SKIP_FASTDEBUG_BUILD=false to get a
>>>> release build. It's a very confusing name.
>>> 
>>> Yes.
>>> 
>>> I'll try it right now
>> 
>> It's unclear.
>> 
>> settings SKIP_FASTDEBUG_BUILD to false produce a j2sdk-image under
>> sources/build/bsd-amd64-fastdebug instead of sources/build/bsd-amd64
>> And even if I set DEBUG_NAME to release instead of fastdebug.
>> 
>> I'm puzzled and need some clarifications :)
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