AWS Graviton4 ベースの Amazon EC2 R8g インスタンスが東京リージョンで利用可能になりました

sh-5.2$ lscpu
Architecture:             aarch64
  CPU op-mode(s):         64-bit
  Byte Order:             Little Endian
CPU(s):                   1
  On-line CPU(s) list:    0
Vendor ID:                ARM
  Model:                  1
  Thread(s) per core:     1
  Core(s) per socket:     1
  Socket(s):              1
  Stepping:               r0p1
  BogoMIPS:               2000.00
  Flags:                  fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
Caches (sum of all):
  L1d:                    64 KiB (1 instance)
  L1i:                    64 KiB (1 instance)
  L2:                     2 MiB (1 instance)
  L3:                     36 MiB (1 instance)
NUMA:
  NUMA node(s):           1
  NUMA node0 CPU(s):      0
Vulnerabilities:
  Gather data sampling:   Not affected
  Itlb multihit:          Not affected
  L1tf:                   Not affected
  Mds:                    Not affected
  Meltdown:               Not affected
  Mmio stale data:        Not affected
  Reg file data sampling: Not affected
  Retbleed:               Not affected
  Spec rstack overflow:   Not affected
  Spec store bypass:      Mitigation; Speculative Store Bypass disabled via prctl
  Spectre v1:             Mitigation; __user pointer sanitization
  Spectre v2:             Not affected
  Srbds:                  Not affected
  Tsx async abort:        Not affected