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 18.4 471,263 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 142 27 68 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 159 27 73 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 2 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 224 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.7 990,260 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 10.0 117,218 277 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
8 7 1 1.8 dash -
13 12 1 3.3 bash -
92 51 48 3.4 zsh -
16 10 5 28.9 bumpleak/osh mut
17 13 4 30.4 _bin/cxx-opt+bumproot/osh mut
20 12 8 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.3 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 23 9 18.4 osh-native mut+alloc+free+gc
33 26 7 18.1 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
31 21 10 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 38 9 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 21 2 1.6 dash -
42 40 2 3.5 bash -
330 196 158 3.7 zsh -
46 32 14 86.2 bumpleak/osh mut
49 44 5 85.9 _bin/cxx-opt+bumproot/osh mut
60 44 16 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.5 osh-native mut+alloc
92 60 32 75.4 osh-native mut+alloc+free
142 119 23 51.7 osh-native mut+alloc+free+gc
151 130 21 52.5 osh-native mut+alloc+free+gc+exit
92 61 31 74.3 osh-nosouffle mut+alloc
102 70 31 76.0 osh-nosouffle mut+alloc+free
159 141 17 52.1 osh-nosouffle mut+alloc+free+gc
168 145 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 89 38 97.9 _bin/cxx-opt+nopool/osh mut+alloc
209 175 34 73.0 _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 2 1 3.1 bash -
7 3 4 3.4 zsh -
7 1 6 12.3 bumpleak/osh mut
7 5 2 12.2 _bin/cxx-opt+bumproot/osh mut
7 6 2 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 6 2 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
10 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 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 8 1 1.4 dash -
31 29 2 3.1 bash -
21 18 3 3.4 zsh -
17 12 4 32.0 bumpleak/osh mut
19 12 7 32.4 _bin/cxx-opt+bumproot/osh mut
22 13 9 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
31 18 13 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.3 osh-nosouffle mut+alloc
36 20 16 27.4 osh-nosouffle mut+alloc+free
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 32 14 36.7 _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
105 100 5 3.5 bash -
214 160 53 56.8 bumpleak/osh mut
221 170 51 58.2 _bin/cxx-opt+bumproot/osh mut
240 190 50 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 182 73 48.9 osh-native mut+alloc
280 200 79 50.7 osh-native mut+alloc+free
224 169 55 9.0 osh-native mut+alloc+free+gc
235 182 53 9.0 osh-native mut+alloc+free+gc+exit
261 194 67 49.3 osh-nosouffle mut+alloc
271 192 79 51.4 osh-nosouffle mut+alloc+free
229 182 46 9.7 osh-nosouffle mut+alloc+free+gc
230 179 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 195 85 66.1 _bin/cxx-opt+nopool/osh mut+alloc
252 209 43 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 3.8 dash -
16 8 9 4.8 bash -
16 5 12 3.9 zsh -
18 7 11 13.9 bumpleak/osh mut
21 13 8 13.7 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 8 14 11.7 osh-native mut+alloc+free
21 14 8 9.4 osh-native mut+alloc+free+gc
22 10 13 9.7 osh-native mut+alloc+free+gc+exit
21 11 11 12.2 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc