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 34 4 12 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 153 28 79 45.9 51.8 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 156 28 74 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.3 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,207 277 3 83,988 1 41,994 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.7 dash -
13 12 1 3.3 bash -
91 55 44 3.5 zsh -
15 11 4 30.2 bumpleak/osh mut
16 14 2 28.7 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 9 25.6 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
34 25 9 18.1 osh-native mut+alloc+free+gc
34 25 9 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
31 17 15 26.1 osh-nosouffle mut+alloc+free
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc
39 33 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 39 10 22.6 _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 -
42 41 1 3.5 bash -
328 197 154 3.7 zsh -
46 35 11 85.7 bumpleak/osh mut
48 41 7 85.0 _bin/cxx-opt+bumproot/osh mut
58 38 20 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 46 36 73.7 osh-native mut+alloc
91 59 32 75.4 osh-native mut+alloc+free
153 132 21 51.8 osh-native mut+alloc+free+gc
158 131 27 52.4 osh-native mut+alloc+free+gc+exit
92 67 25 74.2 osh-nosouffle mut+alloc
101 69 33 75.9 osh-nosouffle mut+alloc+free
156 137 19 52.1 osh-nosouffle mut+alloc+free+gc
165 142 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 74 52 99.2 _bin/cxx-opt+nopool/osh mut+alloc
228 197 31 74.5 _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 1.6 dash -
4 4 0 3.3 bash -
7 2 5 3.5 zsh -
6 6 0 11.3 bumpleak/osh mut
6 6 0 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 3 6 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 6 7 9.5 _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
10 9 1 1.6 dash -
31 30 1 3.3 bash -
21 16 5 3.4 zsh -
17 15 2 33.4 bumpleak/osh mut
19 17 2 32.8 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.7 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.3 osh-nosouffle mut+alloc
35 26 9 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 31 14 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.8 _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
104 100 4 3.5 bash -
215 161 53 56.8 bumpleak/osh mut
221 173 48 56.2 _bin/cxx-opt+bumproot/osh mut
245 175 70 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 183 75 48.6 osh-native mut+alloc
267 193 74 50.7 osh-native mut+alloc+free
222 173 49 9.2 osh-native mut+alloc+free+gc
224 179 45 9.0 osh-native mut+alloc+free+gc+exit
261 191 70 49.2 osh-nosouffle mut+alloc
270 201 69 51.1 osh-nosouffle mut+alloc+free
228 189 38 9.6 osh-nosouffle mut+alloc+free+gc
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 189 91 65.4 _bin/cxx-opt+nopool/osh mut+alloc
262 208 54 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 6 3.9 dash -
16 10 6 5.0 bash -
16 5 12 3.9 zsh -
19 10 9 13.7 bumpleak/osh mut
18 5 13 12.9 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
21 11 11 11.8 osh-native mut+alloc+free
21 12 9 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 9 14 12.2 osh-nosouffle mut+alloc+free
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc
23 17 6 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc