Racc

Ruby JRuby
1

I have found in testing that parsers built using RACC are about twice as
slow in JRuby as in MRI (and slightly slower in 1.1.2 than in 1.1). Most
of the difference appears to be due to the fact that MRI benefits from a
native RACC runtime.

I am wondering if there is any interest out there in porting the
run-time RACC code to Java? Note too that RACC is now part of the Ruby
“standard library”.

// Gregory

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2

Gregory M. wrote:

I have found in testing that parsers built using RACC are about twice as
slow in JRuby as in MRI (and slightly slower in 1.1.2 than in 1.1). Most
of the difference appears to be due to the fact that MRI benefits from a
native RACC runtime.

I am wondering if there is any interest out there in porting the
run-time RACC code to Java? Note too that RACC is now part of the Ruby
“standard library”.

Yeah, we realized about six months ago that the native RACC backend
exists, and were all set to try to make our own. However we never got
around to doing so. We’d love to have one, and we’ll do anything we can
to support efforts to create one.

  • Charlie

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