Anti-primes testing setup

gistfile1.txt

ub18:~/perl6/Rosetta-Code>uname -a
Linux cosmic 4.18.0-13-generic #14-Ubuntu SMP Wed Dec 5 09:04:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

ub18:~/perl6/Rosetta-Code>sudo lshw -short | grep DIMM | grep -v empty
/0/25/0                        memory      2GiB DIMM DRAM EDO

ub18:~/perl6/Rosetta-Code>stress --cpu 4 --vm 8 &
stress: info: [36187] dispatching hogs: 4 cpu, 0 io, 8 vm, 0 hdd

ub18:~/perl6/Rosetta-Code>(Anti-primes; Anti-primes;Anti-primes;Anti-primes;Anti-primes;Anti-primes;Anti-primes;Anti-primes;Anti-primes) | grep ok
ok 1 - 
ok 1 - 
ok 1 - 
ok 1 - 
ok 1 - 
ok 1 - 
ok 1 - 
not ok 1 - 
# Failed test at Anti-primes line 47
# expected: 'First 20 anti-primes:
# 1 2 4 6 12 24 36 48 60 120 180 240 360 720 840 1260 1680 2520 5040 7560
# 
# Count of anti-primes <= 500000: 35'
#      got: 'First 20 anti-primes:
# 1 2 4 6 12 24 36 48 60 120 180 240 360 720 840 1260 4320 5040 9240 10080
# 
# Count of anti-primes <= 500000: 34'
ok 1 - 

ub18:~/perl6/Rosetta-Code>cat run.sh 
Anti-primes > t0  &
Anti-primes > t1  &
Anti-primes > t2  &
Anti-primes > t3  &
Anti-primes > t4  &
Anti-primes > t5  &
Anti-primes > t6  &
Anti-primes > t7  &
Anti-primes > t8  &
Anti-primes > t9  &

ub18:~/perl6/Rosetta-Code>source run.sh

# lots of error verbiage omitted...

ub18:~/perl6/Rosetta-Code>grep Count t*
t0:Count of anti-primes <= 500000: 31
t1:Count of anti-primes <= 500000: 23
t2:Count of anti-primes <= 500000: 32
t3:Count of anti-primes <= 500000: 28
t4:Count of anti-primes <= 500000: 33
t5:Count of anti-primes <= 500000: 34
t6:Count of anti-primes <= 500000: 22
t7:Count of anti-primes <= 500000: 29
t8:Count of anti-primes <= 500000: 29
t9:Count of anti-primes <= 500000: 26