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 32 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 143 26 69 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 148 26 65 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 8.4 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 26 0 2 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.4 990,249 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 9.8 117,207 277 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 10 3 3.4 bash -
90 52 44 3.4 zsh -
15 12 3 29.6 bumpleak/osh mut
16 11 5 29.3 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 28 4 18.1 osh-native mut+alloc+free+gc
33 26 7 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 25.8 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 30 4 18.7 osh-nosouffle mut+alloc+free+gc
35 28 7 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 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 3.4 bash -
327 172 177 3.7 zsh -
45 33 12 86.6 bumpleak/osh mut
48 38 10 86.3 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.7 osh-native mut+alloc
91 65 25 75.6 osh-native mut+alloc+free
143 115 27 51.7 osh-native mut+alloc+free+gc
145 128 17 52.4 osh-native mut+alloc+free+gc+exit
91 53 38 74.2 osh-nosouffle mut+alloc
99 67 32 76.0 osh-nosouffle mut+alloc+free
148 127 21 52.0 osh-nosouffle mut+alloc+free+gc
152 133 19 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 98.7 _bin/cxx-opt+nopool/osh mut+alloc
202 179 23 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 1.6 dash -
4 4 0 3.1 bash -
7 3 4 3.4 zsh -
6 4 2 12.2 bumpleak/osh mut
7 4 3 12.3 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.5 osh-native mut+alloc
8 7 1 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.1 osh-nosouffle mut+alloc
10 6 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _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 10 0 1.7 dash -
30 28 2 3.3 bash -
21 14 7 3.4 zsh -
17 15 2 32.3 bumpleak/osh mut
19 16 3 32.8 _bin/cxx-opt+bumproot/osh mut
21 17 4 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 11 26.7 osh-native mut+alloc
31 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 23 10 27.3 osh-nosouffle mut+alloc
36 23 13 27.5 osh-nosouffle mut+alloc+free
26 24 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
103 100 3 3.4 bash -
214 170 44 57.0 bumpleak/osh mut
224 170 54 57.5 _bin/cxx-opt+bumproot/osh mut
242 169 73 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 190 68 48.8 osh-native mut+alloc
269 198 72 50.9 osh-native mut+alloc+free
225 173 52 9.0 osh-native mut+alloc+free+gc
223 177 46 9.0 osh-native mut+alloc+free+gc+exit
263 201 62 49.4 osh-nosouffle mut+alloc
270 199 72 51.1 osh-nosouffle mut+alloc+free
226 170 56 9.4 osh-nosouffle mut+alloc+free+gc
228 189 39 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 205 75 65.5 _bin/cxx-opt+nopool/osh mut+alloc
253 206 47 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 4 5 4.1 dash -
16 8 9 5.0 bash -
16 7 9 4.1 zsh -
18 7 12 12.3 bumpleak/osh mut
18 11 8 14.0 _bin/cxx-opt+bumproot/osh mut
19 11 9 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 7 13 11.7 osh-native mut+alloc
21 11 10 11.8 osh-native mut+alloc+free
21 13 8 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
21 9 12 12.2 osh-nosouffle mut+alloc
22 8 15 12.3 osh-nosouffle mut+alloc+free
22 13 10 9.8 osh-nosouffle mut+alloc+free+gc
23 11 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc