Memory Management Overhead

Source code: oils/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 31 3 9 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 137 26 61 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 141 23 59 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.9 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.4 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.7 dash -
13 12 1 3.3 bash -
91 53 44 3.5 zsh -
16 11 5 28.9 bumpleak/osh mut
16 11 5 29.9 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.7 osh-native mut+alloc
28 12 16 25.8 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 27 5 18.4 osh-native mut+alloc+free+gc+exit
29 15 13 25.8 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
36 25 11 18.7 osh-nosouffle mut+alloc+free+gc
34 30 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 18 33.5 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
23 22 1 1.7 dash -
45 43 2 3.4 bash -
327 195 155 3.8 zsh -
45 32 13 84.6 bumpleak/osh mut
48 41 7 84.9 _bin/cxx-opt+bumproot/osh mut
60 47 13 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 31 73.5 osh-native mut+alloc
93 55 38 75.5 osh-native mut+alloc+free
137 110 26 51.9 osh-native mut+alloc+free+gc
137 122 14 52.4 osh-native mut+alloc+free+gc+exit
91 64 27 74.1 osh-nosouffle mut+alloc
100 67 33 75.9 osh-nosouffle mut+alloc+free
141 114 27 52.3 osh-nosouffle mut+alloc+free+gc
150 131 19 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 78 51 99.0 _bin/cxx-opt+nopool/osh mut+alloc
198 167 31 73.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.7 dash -
4 2 2 3.1 bash -
6 4 3 3.3 zsh -
6 3 3 11.5 bumpleak/osh mut
6 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.6 osh-native mut+alloc
8 4 4 10.9 osh-native mut+alloc+free
9 6 3 8.9 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 9 0 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.4 osh-nosouffle mut+alloc+free+gc
10 6 4 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 6 6 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 9 0 1.4 dash -
31 31 0 3.3 bash -
22 14 8 3.4 zsh -
17 12 5 32.3 bumpleak/osh mut
18 14 5 32.6 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 13 27.0 osh-native mut+alloc
30 23 7 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
34 25 9 27.3 osh-nosouffle mut+alloc
36 27 9 27.6 osh-nosouffle mut+alloc+free
26 25 1 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
103 97 6 3.5 bash -
216 164 52 58.0 bumpleak/osh mut
228 178 50 56.4 _bin/cxx-opt+bumproot/osh mut
237 179 58 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 188 71 48.8 osh-native mut+alloc
265 193 72 50.7 osh-native mut+alloc+free
223 164 59 9.0 osh-native mut+alloc+free+gc
222 170 53 9.0 osh-native mut+alloc+free+gc+exit
262 202 60 49.4 osh-nosouffle mut+alloc
269 196 73 51.3 osh-nosouffle mut+alloc+free
228 178 50 9.4 osh-nosouffle mut+alloc+free+gc
229 182 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
282 205 77 64.0 _bin/cxx-opt+nopool/osh mut+alloc
253 192 61 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 3 7 3.9 dash -
15 8 8 4.7 bash -
15 7 9 3.9 zsh -
17 8 9 14.1 bumpleak/osh mut
19 10 10 13.7 _bin/cxx-opt+bumproot/osh mut
19 10 10 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.5 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
21 12 9 9.6 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 7 15 12.2 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 16 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc