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 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 137 26 62 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 140 23 58 45.9 52.4 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 3 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 23 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 25 1 3 3.0 10.0 117,233 277 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 1.8 dash -
13 11 2 3.3 bash -
92 56 42 3.5 zsh -
16 11 4 28.9 bumpleak/osh mut
15 13 2 29.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 7 25.6 osh-native mut+alloc
28 21 7 26.0 osh-native mut+alloc+free
31 25 6 18.4 osh-native mut+alloc+free+gc
32 29 3 18.4 osh-native mut+alloc+free+gc+exit
29 20 9 26.0 osh-nosouffle mut+alloc
30 16 14 26.2 osh-nosouffle mut+alloc+free
33 25 9 18.7 osh-nosouffle mut+alloc+free+gc
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 22 17 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 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 23 0 1.6 dash -
43 42 0 3.4 bash -
338 190 170 3.7 zsh -
45 37 8 85.2 bumpleak/osh mut
49 38 10 85.4 _bin/cxx-opt+bumproot/osh mut
61 47 13 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 46 40 73.7 osh-native mut+alloc
96 65 30 75.5 osh-native mut+alloc+free
137 118 19 51.7 osh-native mut+alloc+free+gc
148 119 29 52.4 osh-native mut+alloc+free+gc+exit
92 62 30 74.1 osh-nosouffle mut+alloc
100 63 37 76.0 osh-nosouffle mut+alloc+free
140 117 23 52.4 osh-nosouffle mut+alloc+free+gc
148 126 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 82 45 98.7 _bin/cxx-opt+nopool/osh mut+alloc
205 176 29 72.2 _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 3.3 bash -
6 3 3 3.4 zsh -
6 3 4 11.8 bumpleak/osh mut
6 4 2 11.4 _bin/cxx-opt+bumproot/osh mut
6 5 1 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 5 4 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 9 1 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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
10 10 0 1.6 dash -
33 33 0 3.3 bash -
21 16 5 3.4 zsh -
18 15 2 33.4 bumpleak/osh mut
19 14 5 33.4 _bin/cxx-opt+bumproot/osh mut
21 19 2 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 10 26.9 osh-native mut+alloc
31 17 14 27.1 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
36 26 10 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
49 38 11 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
105 101 4 3.4 bash -
215 165 50 57.3 bumpleak/osh mut
239 186 53 57.4 _bin/cxx-opt+bumproot/osh mut
261 202 59 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 183 73 48.8 osh-native mut+alloc
266 183 83 50.7 osh-native mut+alloc+free
222 160 62 9.2 osh-native mut+alloc+free+gc
229 184 45 9.2 osh-native mut+alloc+free+gc+exit
266 202 64 49.3 osh-nosouffle mut+alloc
272 207 65 51.3 osh-nosouffle mut+alloc+free
229 180 49 9.6 osh-nosouffle mut+alloc+free+gc
225 180 45 9.6 osh-nosouffle mut+alloc+free+gc+exit
288 207 81 66.0 _bin/cxx-opt+nopool/osh mut+alloc
255 197 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 5 3.9 dash -
16 7 10 4.8 bash -
15 7 9 3.9 zsh -
17 7 11 12.6 bumpleak/osh mut
18 7 11 12.5 _bin/cxx-opt+bumproot/osh mut
21 9 12 14.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.4 osh-native mut+alloc
22 9 14 11.7 osh-native mut+alloc+free
23 13 10 9.6 osh-native mut+alloc+free+gc
22 10 12 9.6 osh-native mut+alloc+free+gc+exit
23 8 16 12.2 osh-nosouffle mut+alloc
23 8 15 12.3 osh-nosouffle mut+alloc+free
25 16 10 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 12.9 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc