On 09/07/2011 09:08 AM, John Rose wrote:
On Sep 7, 2011, at 12:00 AM, Per Bothner wrote:
I assume this is one reason why Kawa's IntNum is (mostly) faster than
BigInteger.
Yes, that's probably true.
Here's a dirty secret: As you can see from the OpenJDK sources,
BigDecimal, but not BigInteger, has this optimization (see private
field BigDecimal.intCompact). Why BigDecimal but not BigInteger?
Because specjbb2000 uses BigDecimal.
(OTOH, an imperfect metric like specjbb2000 is far better than no
metric at all, for driving competition.)
This remember me that we don't have any benchmarks using dynamic languages
which is, as you explain, not good on the long term.
What about having 10 to 12 benchs, one by language, provided by each
language runtime developer
as a good bench for their runtime ?
-- John
Rémi
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