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 18.4 471,263 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 135 24 62 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 150 26 68 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 20 0 1 2.8 8.3 572,115 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 221 0 3 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 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 9.8 117,218 277 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 7 0 1.7 dash -
13 13 0 3.3 bash -
89 52 44 3.5 zsh -
15 10 6 28.6 bumpleak/osh mut
17 14 3 30.6 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.3 osh-native mut+alloc
27 20 7 25.7 osh-native mut+alloc+free
31 24 7 18.4 osh-native mut+alloc+free+gc
32 22 9 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 26.1 osh-nosouffle mut+alloc
30 20 10 26.2 osh-nosouffle mut+alloc+free
35 32 3 18.7 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 37 9 22.8 _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 -
330 183 170 3.7 zsh -
46 36 10 85.0 bumpleak/osh mut
49 40 9 85.4 _bin/cxx-opt+bumproot/osh mut
60 52 8 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 46 37 73.5 osh-native mut+alloc
93 48 44 75.5 osh-native mut+alloc+free
135 115 20 51.7 osh-native mut+alloc+free+gc
135 109 26 52.4 osh-native mut+alloc+free+gc+exit
91 62 29 74.1 osh-nosouffle mut+alloc
103 69 34 75.9 osh-nosouffle mut+alloc+free
150 126 24 52.1 osh-nosouffle mut+alloc+free+gc
153 132 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 88 41 99.0 _bin/cxx-opt+nopool/osh mut+alloc
200 163 37 73.9 _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 -
6 5 2 3.4 zsh -
6 3 3 11.2 bumpleak/osh mut
6 3 3 12.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.7 osh-native mut+alloc
8 6 2 10.5 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 8 1 9.0 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 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 7 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 31 0 3.3 bash -
21 18 3 3.4 zsh -
16 13 4 33.7 bumpleak/osh mut
19 17 2 33.1 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 13 15 26.9 osh-native mut+alloc
30 22 9 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
35 26 9 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 31 14 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 26 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
104 101 3 3.4 bash -
212 164 48 57.9 bumpleak/osh mut
221 174 47 57.7 _bin/cxx-opt+bumproot/osh mut
238 190 48 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 193 61 48.8 osh-native mut+alloc
262 193 68 50.7 osh-native mut+alloc+free
221 176 45 9.0 osh-native mut+alloc+free+gc
220 185 35 8.9 osh-native mut+alloc+free+gc+exit
261 185 76 49.3 osh-nosouffle mut+alloc
268 207 62 51.2 osh-nosouffle mut+alloc+free
227 173 54 9.6 osh-nosouffle mut+alloc+free+gc
226 165 61 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 211 68 64.7 _bin/cxx-opt+nopool/osh mut+alloc
252 194 58 10.7 _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 3.8 dash -
16 9 7 4.8 bash -
15 9 7 3.9 zsh -
17 7 11 12.7 bumpleak/osh mut
19 7 12 13.4 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.4 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
21 9 13 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 6 15 12.1 osh-nosouffle mut+alloc
22 12 10 12.2 osh-nosouffle mut+alloc+free
22 12 10 9.8 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc