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Date:      Wed, 6 Jan 1999 09:26:58 -0700
From:      Nate Williams <nate@mt.sri.com>
To:        Luigi Rizzo <luigi@labinfo.iet.unipi.it>
Cc:        java@FreeBSD.ORG
Subject:   Re: compiler speeds
Message-ID:  <199901061626.JAA13931@mt.sri.com>
In-Reply-To: <199901060903.KAA05333@labinfo.iet.unipi.it>
References:  <199901060903.KAA05333@labinfo.iet.unipi.it>

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> Just a quick comparison of javac, guavac and jikes:
> 
>     prova# time javac LgMC.java
>     6.489u 0.307s 0:06.82 99.4%     8+1684k 2+2io 0pf+0w
>     prova# time guavac LgMC.java
>     0.514u 0.311s 0:00.89 92.1%     2213+5196k 0+5io 0pf+0w
>     prova# time jikes -nowarn LgMC.java
>     0.310u 0.063s 0:00.38 97.3%     2311+1422k 0+1io 0pf+0w
> 
> class files slightly differ in size. I cannot tell about the quality of
> the code.
> 
>     -rw-rw-r--   1 luigi  275  2540 Jan  6 12:01 LgMC.class.guavac
>     -rw-rw-r--   1 luigi  275  2563 Jan  6 12:01 LgMC.class.javac
>     -rw-rw-r--   1 luigi  275  2564 Jan  6 12:00 LgMC.class.jikes

So far I've been using jikes to develop 'production' code, and given
that there aren't any significant optimizations in either javac or
jikes, I feel pretty safe with it now.


Nate

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