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 18.1 471,269 1,282 6 413,154 5 206,577 osh-native
parse.configure-cpython 34 3 10 12.0 18.7 471,269 1,282 6 413,162 5 206,581 osh-nosouffle
parse.configure-coreutils 138 24 63 45.9 51.9 1,638,008 4,764 12 1,056,652 6 787,847 osh-native
parse.configure-coreutils 143 23 59 45.9 52.3 1,638,007 4,764 12 1,056,660 6 787,851 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,797 180 3 86,640 1 43,320 osh-native
parse.abuild 9 1 2 2.6 9.0 102,797 180 3 86,648 1 43,324 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,121 22,608 12 50,000 0 2,987 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,121 22,608 12 50,000 0 2,992 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,267 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.7 990,266 15,258 21 50,000 0 3,971 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,228 277 3 84,002 1 42,001 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,227 277 3 84,010 1 42,005 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 5 1 1.7 dash -
13 12 1 3.3 bash -
89 56 40 3.5 zsh -
16 11 5 29.3 bumpleak/osh mut
16 13 3 30.7 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 25.4 osh-native mut+alloc
27 18 10 26.0 osh-native mut+alloc+free
32 23 9 18.1 osh-native mut+alloc+free+gc
33 27 6 18.4 osh-native mut+alloc+free+gc+exit
28 21 7 26.0 osh-nosouffle mut+alloc
30 23 7 26.3 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 24 15 32.5 _bin/cxx-opt+nopool/osh mut+alloc
45 34 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 20 3 1.7 dash -
42 40 2 3.5 bash -
324 177 168 3.7 zsh -
46 37 9 85.7 bumpleak/osh mut
48 39 9 85.9 _bin/cxx-opt+bumproot/osh mut
59 43 16 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 36 73.5 osh-native mut+alloc
92 64 28 75.6 osh-native mut+alloc+free
138 109 29 51.9 osh-native mut+alloc+free+gc
143 115 28 52.5 osh-native mut+alloc+free+gc+exit
91 54 37 74.1 osh-nosouffle mut+alloc
100 76 24 75.9 osh-nosouffle mut+alloc+free
143 116 27 52.3 osh-nosouffle mut+alloc+free+gc
145 127 18 52.9 osh-nosouffle mut+alloc+free+gc+exit
130 84 46 98.9 _bin/cxx-opt+nopool/osh mut+alloc
196 159 37 74.7 _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 3 1 3.1 bash -
6 3 3 3.4 zsh -
6 5 1 12.2 bumpleak/osh mut
6 4 2 12.0 _bin/cxx-opt+bumproot/osh mut
6 5 2 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
9 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 3 9.8 _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 1.6 dash -
31 30 1 3.3 bash -
21 15 6 3.4 zsh -
17 12 5 33.1 bumpleak/osh mut
19 16 3 33.1 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
30 21 9 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 22 12 27.4 osh-nosouffle mut+alloc
35 27 8 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 34 13 36.2 _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 96 7 3.4 bash -
211 153 58 57.4 bumpleak/osh mut
222 176 45 56.1 _bin/cxx-opt+bumproot/osh mut
240 177 63 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 199 56 48.8 osh-native mut+alloc
262 190 72 50.7 osh-native mut+alloc+free
222 167 55 9.2 osh-native mut+alloc+free+gc
222 170 52 9.2 osh-native mut+alloc+free+gc+exit
262 184 77 49.3 osh-nosouffle mut+alloc
270 203 67 51.3 osh-nosouffle mut+alloc+free
226 177 49 9.7 osh-nosouffle mut+alloc+free+gc
228 176 52 9.4 osh-nosouffle mut+alloc+free+gc+exit
277 220 57 64.5 _bin/cxx-opt+nopool/osh mut+alloc
249 195 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 5 4 3.9 dash -
16 9 7 4.8 bash -
16 7 10 3.8 zsh -
18 7 12 13.0 bumpleak/osh mut
19 9 10 13.6 _bin/cxx-opt+bumproot/osh mut
19 9 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 14 11.5 osh-native mut+alloc
20 10 11 11.8 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
21 10 11 9.7 osh-native mut+alloc+free+gc+exit
20 7 13 12.2 osh-nosouffle mut+alloc
22 11 11 12.1 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 17 7 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc