Instance Variable Table Benchmark for mruby

Environment

Benchmark Code

github:shuujii/mruby-iv-benchmark@e75faf8

Implementation

2.1.2	github:mruby/mruby@1a9bdfc
Baseline	github:mruby/mruby@d759a73
New	github:shuujii/mruby@98d0914

Platform

OS

Name	Linux
Release	5.4.0-65-generic
Version	#73-Ubuntu SMP Mon Jan 18 17:25:17 UTC 2021

Hardware

CPU 0
vendor_id	GenuineIntel
cpu family	6
model	61
model name	Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz
stepping	4
cpu MHz	2699.998
cache size	3072 KB
physical id	0
siblings	2
core id	0
cpu cores	2
apicid	0
initial apicid	0
fpu	yes
fpu_exception	yes
cpuid level	20
wp	yes
flags	fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc cpuid tsc_known_freq pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single pti fsgsbase avx2 invpcid rdseed
bugs	cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit srbds
bogomips	5399.99
clflush size	64
cache_alignment	64
address sizes	39 bits physical, 48 bits virtual
power management

CPU 1
vendor_id	GenuineIntel
cpu family	6
model	61
model name	Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz
stepping	4
cpu MHz	2699.998
cache size	3072 KB
physical id	0
siblings	2
core id	1
cpu cores	2
apicid	1
initial apicid	1
fpu	yes
fpu_exception	yes
cpuid level	20
wp	yes
flags	fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc cpuid tsc_known_freq pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single pti fsgsbase avx2 invpcid rdseed
bugs	cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit srbds
bogomips	5399.99
clflush size	64
cache_alignment	64
address sizes	39 bits physical, 48 bits virtual
power management

Memory
MemTotal	1004624 kB

Compiler

gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Type Size

2.1.2
Type	Size (byte)
Type	64-bit Word-boxing	64-bit NaN-boxing	64-bit No-boxing	32-bit Word-boxing	32-bit No-boxing
`void*`	8	8	8	4	4
`mrb_value`	8	8	16	4	12
`mrb_int`	8	4	8	4	4

Baseline
Type	Size (byte)
Type	64-bit Word-boxing	64-bit NaN-boxing	64-bit No-boxing	32-bit Word-boxing	32-bit No-boxing
`void*`	8	8	8	4	4
`mrb_value`	8	8	16	4	12
`mrb_int`	8	4	8	4	4

New
Type	Size (byte)
Type	64-bit Word-boxing	64-bit NaN-boxing	64-bit No-boxing	32-bit Word-boxing	32-bit No-boxing
`void*`	8	8	8	4	4
`mrb_value`	8	8	16	4	12
`mrb_int`	8	4	8	4	4