From 286d567bbffb1baef497ecfe9a91fa690ecb7526 Mon Sep 17 00:00:00 2001 From: ko1 Date: Sat, 26 Oct 2013 02:46:30 +0000 Subject: [PATCH] * gc.c: tuning parameters. * gc.c (GC_MALLOC_LIMIT): change default value to 16MB. * gc.c (GC_MALLOC_LIMIT_GROWTH_FACTOR): change default value to 2.0. * gc.c (gc_before_sweep): change decrease ratio of `malloc_limit' from 1/4 to 1/10. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 11 +++++++++++ gc.c | 6 +++--- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 8b64f76169..70e0d11f06 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +Sat Oct 26 11:35:22 2013 Koichi Sasada + + * gc.c: tuning parameters. + + * gc.c (GC_MALLOC_LIMIT): change default value to 16MB. + + * gc.c (GC_MALLOC_LIMIT_GROWTH_FACTOR): change default value to 2.0. + + * gc.c (gc_before_sweep): change decrease ratio of `malloc_limit' + from 1/4 to 1/10. + Sat Oct 26 11:30:07 2013 Koichi Sasada * gc.c (vm_malloc_increase): do gc_rest_sweep() before GC. diff --git a/gc.c b/gc.c index 320a5de093..9aa136f4e8 100644 --- a/gc.c +++ b/gc.c @@ -90,13 +90,13 @@ rb_gc_guarded_ptr(volatile VALUE *ptr) #define GC_HEAP_GROWTH_MAX 0 /* 0 is disable */ #endif #ifndef GC_MALLOC_LIMIT -#define GC_MALLOC_LIMIT (8 /* 8 MB */ * 1024 * 1024 /* 1MB */) +#define GC_MALLOC_LIMIT (16 /* 16 MB */ * 1024 * 1024 /* 1MB */) #endif #ifndef GC_MALLOC_LIMIT_MAX #define GC_MALLOC_LIMIT_MAX (512 /* 512 MB */ * 1024 * 1024 /* 1MB */) #endif #ifndef GC_MALLOC_LIMIT_GROWTH_FACTOR -#define GC_MALLOC_LIMIT_GROWTH_FACTOR 1.8 +#define GC_MALLOC_LIMIT_GROWTH_FACTOR 2.0 #endif typedef struct { @@ -2541,7 +2541,7 @@ gc_before_sweep(rb_objspace_t *objspace) } } else { - malloc_limit -= (size_t)(malloc_limit * ((initial_malloc_limit_growth_factor - 1) / 4)); + malloc_limit -= (size_t)(malloc_limit * ((initial_malloc_limit_growth_factor - 1) / 10)); if (malloc_limit < initial_malloc_limit) { malloc_limit = initial_malloc_limit; }