Re: Comparing Guile's GC with BDW-GC

2008-11-08 Thread Ludovic Courtès
Hi Neil, Neil Jerram [EMAIL PROTECTED] writes: On 05/11/2008, Ludovic Courtès [EMAIL PROTECTED] wrote: I finally [0] conducted experiments to compare Guile's GC with my port of Guile to the Boehm-Demers-Weiser GC (BDW-GC). The code for that port is not currently available on-line but

Why bother porting Guile to BDW-GC?

2008-11-08 Thread Ludovic Courtès
Hello Guilers! Below are some of the points (in no particular order) that IMO can make it worthwhile to use the Boehm-Demers-Weiser GC [0] in Guile instead of Guile's historical GC, from an engineering viewpoint. 1. Less code to maintain, in particular less complex and non-portable code.

Re: Comparing Guile's GC with BDW-GC

2008-11-08 Thread Han-Wen Nienhuys
Ludovic Courtès escreveu: Hello! heap size (MiB) execution time (s.) Guile1.54 (1.00x) 6.316 (1.00x) BDW-GC, FSD=32.41 (1.57x) 4.943 (0.78x) I wonder whether this is a useful benchmark. 1.54 mb is small compared to the 2mb L2 cache

Re: Comparing Guile's GC with BDW-GC

2008-11-08 Thread Han-Wen Nienhuys
Ludovic Courtès escreveu: Hello! I finally [0] conducted experiments to compare Guile's GC with my port of Guile to the Boehm-Demers-Weiser GC (BDW-GC). The code for that port is not currently available on-line but I'd be happy to push it somewhere (would Guile's repo at Savannah be a good

Re: Why bother porting Guile to BDW-GC?

2008-11-08 Thread Han-Wen Nienhuys
Ludovic Courtès escreveu: Hello Guilers! Below are some of the points (in no particular order) that IMO can make it worthwhile to use the Boehm-Demers-Weiser GC [0] in Guile instead of Guile's historical GC, from an engineering viewpoint. I'm all for scrapping code; here are my concerns: