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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 9 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 133 24 59 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 147 24 63 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 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 28 0 1 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 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 22 1 2 3.0 10.1 117,234 277 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 6 1 1.7 dash -
13 12 1 3.4 bash -
91 52 46 3.4 zsh -
15 11 4 29.6 bumpleak/osh mut
16 11 5 29.7 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.4 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
31 20 11 18.4 osh-native mut+alloc+free+gc
32 28 4 18.1 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
30 21 9 26.3 osh-nosouffle mut+alloc+free
34 30 4 18.9 osh-nosouffle mut+alloc+free+gc
36 30 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 22 18 33.2 _bin/cxx-opt+nopool/osh mut+alloc
44 37 7 22.6 _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 23 0 1.7 dash -
42 39 3 3.4 bash -
329 184 168 3.7 zsh -
44 35 9 86.4 bumpleak/osh mut
48 41 7 86.3 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 32 73.7 osh-native mut+alloc
94 52 42 75.5 osh-native mut+alloc+free
133 108 25 51.7 osh-native mut+alloc+free+gc
138 115 23 52.4 osh-native mut+alloc+free+gc+exit
93 64 29 74.2 osh-nosouffle mut+alloc
101 75 26 76.0 osh-nosouffle mut+alloc+free
147 122 25 52.3 osh-nosouffle mut+alloc+free+gc
148 125 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 79 48 98.2 _bin/cxx-opt+nopool/osh mut+alloc
198 174 24 71.3 _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 1.8 dash -
4 3 1 3.1 bash -
7 2 4 3.3 zsh -
6 5 1 11.4 bumpleak/osh mut
6 4 2 11.4 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
9 4 5 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.1 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.6 _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 10 0 1.6 dash -
30 29 1 3.3 bash -
22 16 5 3.4 zsh -
16 12 5 32.0 bumpleak/osh mut
19 14 5 33.1 _bin/cxx-opt+bumproot/osh mut
20 16 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 12 26.7 osh-native mut+alloc
31 23 8 27.1 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 25 9 27.4 osh-nosouffle mut+alloc
35 21 14 27.5 osh-nosouffle mut+alloc+free
28 24 4 8.7 osh-nosouffle mut+alloc+free+gc
26 22 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 23 22 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
107 99 7 3.4 bash -
212 167 45 56.6 bumpleak/osh mut
222 169 54 56.8 _bin/cxx-opt+bumproot/osh mut
240 190 50 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 189 66 48.9 osh-native mut+alloc
264 189 75 50.9 osh-native mut+alloc+free
221 170 51 9.0 osh-native mut+alloc+free+gc
222 183 39 9.0 osh-native mut+alloc+free+gc+exit
265 182 83 49.3 osh-nosouffle mut+alloc
269 202 67 51.3 osh-nosouffle mut+alloc+free
227 170 57 9.6 osh-nosouffle mut+alloc+free+gc
229 182 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 196 82 65.4 _bin/cxx-opt+nopool/osh mut+alloc
254 210 44 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 2 7 3.9 dash -
16 5 12 4.8 bash -
15 5 11 3.9 zsh -
19 8 11 13.5 bumpleak/osh mut
18 10 8 14.3 _bin/cxx-opt+bumproot/osh mut
20 10 11 15.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
21 9 13 11.5 osh-native mut+alloc+free
20 10 11 9.6 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 12 11 12.3 osh-nosouffle mut+alloc+free
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 9.8 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc