Raspberry Pi 4でUnixBenchやってみたが64bitと32bitでかなりDhrystoneの値が違うな

arm64 Ubuntu 19.10

4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 15070415.1 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2671.1 MWIPS (10.0 s, 7 samples)
Execl Throughput 595.4 lps (31.3 s, 2 samples)

4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables 50464366.5 lps (10.0 s, 7 samples)
Double-Precision Whetstone 8986.1 MWIPS (9.5 s, 7 samples)
Execl Throughput 1828.7 lps (29.9 s, 2 samples)



Raspbian

4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 10197353.4 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2387.0 MWIPS (9.6 s, 7 samples)
Execl Throughput 899.6 lps (30.0 s, 2 samples)

4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables 40771203.0 lps (10.0 s, 7 samples)
Double-Precision Whetstone 9548.7 MWIPS (9.6 s, 7 samples)
Execl Throughput 2681.9 lps (29.9 s, 2 samples)