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 35 5 12 12.0 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 157 29 81 45.9 51.6 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 160 27 72 45.9 52.1 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 23 0 2 2.8 8.1 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 225 0 5 11.6 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 232 0 5 11.6 9.7 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,218 277 3 83,998 1 41,999 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 13 0 3.3 bash -
89 47 50 3.5 zsh -
15 10 5 29.8 bumpleak/osh mut
16 14 2 28.7 _bin/cxx-opt+bumproot/osh mut
19 14 6 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 11 15 25.3 osh-native mut+alloc
28 15 13 25.8 osh-native mut+alloc+free
35 28 7 18.4 osh-native mut+alloc+free+gc
35 28 7 18.4 osh-native mut+alloc+free+gc+exit
28 13 16 25.8 osh-nosouffle mut+alloc
31 21 10 26.5 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
41 33 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 33.7 _bin/cxx-opt+nopool/osh mut+alloc
53 42 12 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 3.4 bash -
326 181 168 3.5 zsh -
45 36 9 84.5 bumpleak/osh mut
48 39 9 85.0 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 46 38 73.5 osh-native mut+alloc
94 58 36 75.6 osh-native mut+alloc+free
157 136 20 51.6 osh-native mut+alloc+free+gc
160 139 21 52.4 osh-native mut+alloc+free+gc+exit
92 64 28 74.1 osh-nosouffle mut+alloc
101 64 36 76.0 osh-nosouffle mut+alloc+free
160 139 21 52.1 osh-nosouffle mut+alloc+free+gc
168 146 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
130 75 55 98.6 _bin/cxx-opt+nopool/osh mut+alloc
224 184 40 73.2 _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 2 0 1.7 dash -
4 4 0 3.1 bash -
6 4 2 3.4 zsh -
6 2 4 13.1 bumpleak/osh mut
6 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
7 5 2 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
10 10 0 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 9 1 1.6 dash -
31 30 1 3.3 bash -
22 19 3 3.3 zsh -
17 12 5 32.2 bumpleak/osh mut
18 12 6 33.7 _bin/cxx-opt+bumproot/osh mut
21 14 6 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 15 26.9 osh-native mut+alloc
31 24 7 27.0 osh-native mut+alloc+free
23 20 2 8.1 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 17 16 27.4 osh-nosouffle mut+alloc
36 20 15 27.4 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.4 _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 98 5 3.4 bash -
214 160 54 57.0 bumpleak/osh mut
220 152 68 56.1 _bin/cxx-opt+bumproot/osh mut
237 168 69 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 194 61 48.9 osh-native mut+alloc
268 190 77 50.7 osh-native mut+alloc+free
225 175 50 9.2 osh-native mut+alloc+free+gc
225 170 55 9.0 osh-native mut+alloc+free+gc+exit
265 179 86 49.3 osh-nosouffle mut+alloc
275 204 71 51.3 osh-nosouffle mut+alloc+free
232 183 49 9.7 osh-nosouffle mut+alloc+free+gc
233 181 52 9.4 osh-nosouffle mut+alloc+free+gc+exit
280 192 87 64.2 _bin/cxx-opt+nopool/osh mut+alloc
261 206 55 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 6 4.1 dash -
16 9 8 4.7 bash -
16 6 10 3.9 zsh -
18 8 10 12.7 bumpleak/osh mut
20 9 11 14.0 _bin/cxx-opt+bumproot/osh mut
19 7 13 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 12 11.7 osh-native mut+alloc
21 5 17 11.7 osh-native mut+alloc+free
22 10 13 9.4 osh-native mut+alloc+free+gc
22 10 13 9.7 osh-native mut+alloc+free+gc+exit
21 12 10 12.1 osh-nosouffle mut+alloc
23 10 13 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc
23 16 7 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 14 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc