..based on it, c pros, you can prolly see clearly whats wrong
it like mmaps more and more memory beeing slower every run
) = 3
write(2, "++ [[ -v addkw[++addkw_i] ]]\n", 29++ [[ -v addkw[++addkw_i] ]]
) = 29
write(2, "++ dat[$nspace${SUBSEP}kw$SUBSEP"..., 53++
dat[$nspace${SUBSEP}kw$SUBSEP${addkw[addkw_i]}]=1
) = 53
write(2, "++ [[ -v addkw[++addkw_i] ]]\n", 29++ [[ -v addkw[++addkw_i] ]]
) = 29
write(2, "++ [[ -v addkwf[++addkwf_i] ]]\n", 31++ [[ -v addkwf[++addkwf_i]
]]
) = 31
write(2, "+ kws=(metest)\n", 15+ kws=(metest)
) = 15
write(2, "+ kws_i=-1\n", 11+ kws_i=-1
) = 11
brk(0x5626989a4000) = 0x5626989a4000
brk(0x5626989a5000) = 0x5626989a5000
brk(0x5626989a7000) = 0x5626989a7000
brk(0x5626989ab000) = 0x5626989ab000
brk(0x5626989b3000) = 0x5626989b3000
brk(0x5626989c3000) = 0x5626989c3000
brk(0x5626989e3000) = 0x5626989e3000
mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f364fedf000
brk(0x5626989c3000) = 0x5626989c3000
mmap(NULL, 524288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f364fe5f000
munmap(0x7f364fedf000, 262144) = 0
mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f364fd5f000
munmap(0x7f364fe5f000, 524288) = 0
mmap(NULL, 2097152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f364fb5f000
munmap(0x7f364fd5f000, 1048576) = 0
mmap(NULL, 4194304, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f364f75f000
munmap(0x7f364fb5f000, 2097152) = 0
mmap(NULL, 8388608, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f364ef5f000
munmap(0x7f364f75f000, 4194304) = 0
mmap(NULL, 16777216, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f364df5f000
munmap(0x7f364ef5f000, 8388608) = 0
mmap(NULL, 33554432, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f364bf5f000
munmap(0x7f364df5f000, 16777216) = 0
mmap(NULL, 67108864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f3647f5f000
munmap(0x7f364bf5f000, 33554432) = 0
mmap(NULL, 134217728, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f363ff5f000
munmap(0x7f3647f5f000, 67108864) = 0
mmap(NULL, 268435456, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f362ff5f000
munmap(0x7f363ff5f000, 134217728) = 0
mmap(NULL, 536870912, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f360ff5f000
munmap(0x7f362ff5f000, 268435456) = 0
^C--- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} ---
strace: Process 10181 detached
