From a41fbc2c95cc2f7ba9071aca091d8262a8f2cf60 Mon Sep 17 00:00:00 2001 From: Peter Zhu Date: Wed, 4 May 2022 09:05:22 -0400 Subject: Increase SIZE_POOL_COUNT to 5 Having more size pools will allow us to allocate larger objects through Variable Width Allocation. I have attached some benchmark results below. Discourse: On Discourse, we don't see much change in response times. We do see a small reduction in RSS. Branch RSS: 377.8 MB Master RSS: 396.3 MB railsbench: On railsbench, we don't see a big change in RPS or p99 performance. We see a small increase in RSS. Branch RPS: 815.38 Master RPS: 811.73 Branch p99: 1.69 ms Master p99: 1.68 ms Branch RSS: 90.6 MB Master RSS: 89.4 MB liquid: We don't see a significant change in liquid performance. Branch parse & render: 29.041 I/s Master parse & render: 29.211 I/s --- internal/gc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'internal') diff --git a/internal/gc.h b/internal/gc.h index 3346089754..84b7f9fa3e 100644 --- a/internal/gc.h +++ b/internal/gc.h @@ -68,7 +68,7 @@ struct rb_objspace; /* in vm_core.h */ (VALUE)(b), __FILE__, __LINE__) #if USE_RVARGC -# define SIZE_POOL_COUNT 4 +# define SIZE_POOL_COUNT 5 #else # define SIZE_POOL_COUNT 1 #endif -- cgit v1.2.3