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 9 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 140 25 65 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 139 22 58 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,234 277 3 84,016 1 42,008 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 12 1 3.3 bash -
90 47 50 3.4 zsh -
15 13 2 28.6 bumpleak/osh mut
16 11 5 29.8 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.6 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 14 14 25.8 osh-nosouffle mut+alloc
30 22 9 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc
36 28 8 18.9 osh-nosouffle mut+alloc+free+gc+exit
40 22 18 33.2 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 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 40 2 3.5 bash -
327 193 158 3.8 zsh -
45 38 7 84.7 bumpleak/osh mut
49 42 7 85.9 _bin/cxx-opt+bumproot/osh mut
58 49 9 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 48 36 73.5 osh-native mut+alloc
92 61 31 75.6 osh-native mut+alloc+free
140 119 21 51.9 osh-native mut+alloc+free+gc
140 115 25 52.3 osh-native mut+alloc+free+gc+exit
93 58 36 74.1 osh-nosouffle mut+alloc
100 64 36 75.9 osh-nosouffle mut+alloc+free
139 116 23 52.4 osh-nosouffle mut+alloc+free+gc
148 118 30 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 77 51 99.5 _bin/cxx-opt+nopool/osh mut+alloc
196 155 41 74.0 _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 1.4 dash -
4 3 1 3.1 bash -
7 4 3 3.3 zsh -
6 4 2 12.8 bumpleak/osh mut
6 2 4 11.8 _bin/cxx-opt+bumproot/osh mut
6 3 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.4 osh-native mut+alloc
8 4 5 10.7 osh-native mut+alloc+free
9 5 4 8.8 osh-native mut+alloc+free+gc
10 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _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 8 1 1.6 dash -
30 29 1 3.3 bash -
22 15 8 3.3 zsh -
17 13 4 32.4 bumpleak/osh mut
18 13 5 32.6 _bin/cxx-opt+bumproot/osh mut
21 18 3 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 21 7 27.0 osh-native mut+alloc
30 13 17 27.3 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
34 24 10 27.1 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.9 osh-nosouffle mut+alloc+free+gc+exit
45 24 21 36.5 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 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
104 100 4 3.4 bash -
212 161 52 56.5 bumpleak/osh mut
221 176 44 57.9 _bin/cxx-opt+bumproot/osh mut
239 171 68 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 189 67 48.8 osh-native mut+alloc
264 196 68 50.7 osh-native mut+alloc+free
222 181 41 9.0 osh-native mut+alloc+free+gc
223 162 61 9.0 osh-native mut+alloc+free+gc+exit
261 197 64 49.3 osh-nosouffle mut+alloc
271 194 77 51.1 osh-nosouffle mut+alloc+free
227 176 52 9.6 osh-nosouffle mut+alloc+free+gc
234 185 49 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 197 83 65.1 _bin/cxx-opt+nopool/osh mut+alloc
250 190 60 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 3 6 3.9 dash -
16 8 8 4.8 bash -
16 8 8 3.9 zsh -
19 6 14 13.2 bumpleak/osh mut
18 4 14 12.9 _bin/cxx-opt+bumproot/osh mut
20 8 13 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
20 8 13 9.6 osh-native mut+alloc+free+gc
21 10 12 9.7 osh-native mut+alloc+free+gc+exit
20 12 9 12.1 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
21 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 14 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc