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 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 136 25 62 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 149 24 67 45.9 52.0 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 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 26 0 1 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 20 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 10.0 117,207 277 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 5 1 1.6 dash -
13 13 0 3.3 bash -
91 53 45 3.5 zsh -
15 12 4 28.7 bumpleak/osh mut
16 13 3 30.4 _bin/cxx-opt+bumproot/osh mut
19 14 6 30.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 7 25.6 osh-native mut+alloc
27 17 11 25.8 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
32 27 5 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
31 19 12 26.3 osh-nosouffle mut+alloc+free
34 24 9 18.6 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
43 30 14 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 1.6 dash -
42 41 1 3.5 bash -
331 186 167 3.7 zsh -
45 34 11 85.0 bumpleak/osh mut
49 42 7 85.6 _bin/cxx-opt+bumproot/osh mut
60 42 18 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 49 32 73.7 osh-native mut+alloc
89 58 32 75.6 osh-native mut+alloc+free
136 106 30 51.6 osh-native mut+alloc+free+gc
152 124 28 52.6 osh-native mut+alloc+free+gc+exit
92 56 36 74.1 osh-nosouffle mut+alloc
100 72 27 75.9 osh-nosouffle mut+alloc+free
149 125 24 52.0 osh-nosouffle mut+alloc+free+gc
152 124 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 74 51 98.2 _bin/cxx-opt+nopool/osh mut+alloc
200 157 43 73.4 _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 4 0 3.1 bash -
6 3 4 3.4 zsh -
6 4 3 12.5 bumpleak/osh mut
6 4 2 12.9 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 4 4 8.8 osh-native mut+alloc+free+gc
9 4 5 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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
9 8 1 1.6 dash -
31 29 2 3.3 bash -
21 16 5 3.4 zsh -
17 12 5 32.9 bumpleak/osh mut
18 14 4 33.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 21 7 27.0 osh-native mut+alloc
31 18 13 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 24 10 27.4 osh-nosouffle mut+alloc
36 27 9 27.4 osh-nosouffle mut+alloc+free
26 22 3 8.7 osh-nosouffle mut+alloc+free+gc
26 25 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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
104 102 2 3.3 bash -
212 161 50 57.4 bumpleak/osh mut
220 166 54 57.4 _bin/cxx-opt+bumproot/osh mut
237 177 60 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
252 176 76 48.8 osh-native mut+alloc
263 189 74 50.7 osh-native mut+alloc+free
222 175 47 9.2 osh-native mut+alloc+free+gc
223 165 58 9.0 osh-native mut+alloc+free+gc+exit
260 191 69 49.3 osh-nosouffle mut+alloc
271 193 79 51.3 osh-nosouffle mut+alloc+free
228 180 48 9.6 osh-nosouffle mut+alloc+free+gc
227 177 50 9.4 osh-nosouffle mut+alloc+free+gc+exit
276 193 83 64.9 _bin/cxx-opt+nopool/osh mut+alloc
249 193 56 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 6 4 3.9 dash -
16 10 7 5.0 bash -
16 5 11 3.8 zsh -
17 8 10 12.5 bumpleak/osh mut
18 5 13 12.4 _bin/cxx-opt+bumproot/osh mut
19 10 10 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 14 11.7 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 14 8 9.6 osh-native mut+alloc+free+gc+exit
21 9 12 12.2 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
22 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 16 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc