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From "Sergey Nesterov" <stark.harm...@gmail.com>
Subject [general] SPECjbb2005 publication on Harmony
Date Mon, 17 Mar 2008 20:01:15 GMT
I had tested SPECjbb2005 on Harmony and submitted the results for reviewing
to SPEC.
SPEC committee has some questions on my submission concerning Harmony
support and testing of command-line options.

1) Support of Harmony:

The issue is section (1) of the SPECjbb2005 Run Rules [1], citing:
"The implementation is generally available, documented and supported
by the providing vendor."

Though the support requirement for SPECjbb2005 is loosely defined, all
current publications are on Java implementations that provide various
levels of support. SPEC argues that this level of support cannot be compared
to forum support provided by Harmony developers. SPEC argues that current
production JVMs on the market today are fully supported by the companies
that develop them and they need to clarify these issues before any result
using Harmony can be accepted.

What can you comment on this?

2) Testing:

SPEC also concerned about testing required for performance optimizations to
considered as generally available, broad and suggested for production use.
want to know what checks are in place to prevent unsafe changes that
benefit SPECjbb2005 only?

I will be glad to see the input on these questions from Harmony developers.

Sergey Nesterov,
CS Department of MSU

[1] http://www.spec.org/jbb2005/docs/RunRules.html

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