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 18.1 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 133 23 59 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 145 23 62 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 8.9 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 9 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 24 0 1 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 21 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 1.6 dash -
13 13 0 3.4 bash -
88 51 44 3.5 zsh -
16 10 6 29.1 bumpleak/osh mut
16 11 5 28.8 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.4 osh-native mut+alloc
27 17 10 25.7 osh-native mut+alloc+free
31 22 9 18.1 osh-native mut+alloc+free+gc
32 23 8 18.1 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 26 7 18.7 osh-nosouffle mut+alloc+free+gc
35 24 10 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.0 _bin/cxx-opt+nopool/osh mut+alloc
44 37 7 22.5 _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 -
43 42 1 3.4 bash -
318 179 162 3.7 zsh -
45 38 7 85.3 bumpleak/osh mut
48 39 9 84.8 _bin/cxx-opt+bumproot/osh mut
59 52 7 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 53 30 73.7 osh-native mut+alloc
92 61 31 75.4 osh-native mut+alloc+free
133 106 27 51.7 osh-native mut+alloc+free+gc
137 119 18 52.4 osh-native mut+alloc+free+gc+exit
92 59 33 74.1 osh-nosouffle mut+alloc
100 69 30 76.2 osh-nosouffle mut+alloc+free
145 125 20 52.1 osh-nosouffle mut+alloc+free+gc
145 118 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 77 48 99.3 _bin/cxx-opt+nopool/osh mut+alloc
190 162 28 73.6 _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 2 2 3.1 bash -
6 3 4 3.4 zsh -
6 3 3 11.6 bumpleak/osh mut
6 5 1 12.9 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.2 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 5 4 8.9 osh-native mut+alloc+free+gc
9 5 4 9.0 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
9 6 4 9.2 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 9 2 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 9 0 1.4 dash -
30 31 0 3.1 bash -
21 15 6 3.4 zsh -
16 10 7 32.8 bumpleak/osh mut
18 15 3 33.0 _bin/cxx-opt+bumproot/osh mut
21 15 5 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 15 12 26.7 osh-native mut+alloc
30 22 8 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
19 18 1 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.4 osh-nosouffle mut+alloc
35 24 10 27.4 osh-nosouffle mut+alloc+free
24 19 5 8.8 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 25 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
104 103 1 3.4 bash -
210 155 55 56.3 bumpleak/osh mut
220 164 56 57.3 _bin/cxx-opt+bumproot/osh mut
238 174 64 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 182 72 48.8 osh-native mut+alloc
262 187 75 50.7 osh-native mut+alloc+free
220 175 45 9.2 osh-native mut+alloc+free+gc
220 179 41 8.9 osh-native mut+alloc+free+gc+exit
262 188 74 49.3 osh-nosouffle mut+alloc
269 200 69 51.4 osh-nosouffle mut+alloc+free
226 180 46 9.6 osh-nosouffle mut+alloc+free+gc
226 175 51 9.4 osh-nosouffle mut+alloc+free+gc+exit
279 198 81 65.6 _bin/cxx-opt+nopool/osh mut+alloc
251 199 52 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 10 7 4.7 bash -
15 6 9 3.9 zsh -
17 10 7 12.4 bumpleak/osh mut
18 9 10 13.5 _bin/cxx-opt+bumproot/osh mut
18 7 12 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 11 11.7 osh-native mut+alloc
20 12 8 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
20 11 9 9.6 osh-native mut+alloc+free+gc+exit
20 7 13 12.2 osh-nosouffle mut+alloc
21 8 13 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc