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 33 4 10 12.0 18.1 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 23 68 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 152 25 69 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 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 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,233 277 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
6 6 0 1.7 dash -
13 11 2 3.3 bash -
90 50 47 3.5 zsh -
16 11 5 29.0 bumpleak/osh mut
17 12 4 28.7 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 19 9 25.7 osh-native mut+alloc+free
33 26 7 18.1 osh-native mut+alloc+free+gc
33 27 6 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 20 10 26.2 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.4 _bin/cxx-opt+nopool/osh mut+alloc
45 27 18 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 23 0 1.6 dash -
42 40 2 3.4 bash -
325 171 177 3.5 zsh -
45 36 9 85.2 bumpleak/osh mut
49 41 8 85.0 _bin/cxx-opt+bumproot/osh mut
58 45 13 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 48 36 73.7 osh-native mut+alloc
91 55 36 75.5 osh-native mut+alloc+free
142 125 17 51.7 osh-native mut+alloc+free+gc
146 126 20 52.4 osh-native mut+alloc+free+gc+exit
92 46 46 74.1 osh-nosouffle mut+alloc
101 69 32 75.9 osh-nosouffle mut+alloc+free
152 128 24 52.3 osh-nosouffle mut+alloc+free+gc
154 132 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 84 41 98.4 _bin/cxx-opt+nopool/osh mut+alloc
189 157 32 72.5 _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 1.7 dash -
4 3 1 3.1 bash -
7 4 3 3.4 zsh -
6 4 2 11.2 bumpleak/osh mut
6 5 1 11.5 _bin/cxx-opt+bumproot/osh mut
7 2 5 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
10 8 2 8.8 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _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 9 1 1.6 dash -
31 29 2 3.3 bash -
21 10 11 3.4 zsh -
17 11 6 33.3 bumpleak/osh mut
18 14 4 32.0 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 9 26.9 osh-native mut+alloc
31 21 9 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 25 8 27.3 osh-nosouffle mut+alloc
35 22 13 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 25 0 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.1 _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
103 99 4 3.5 bash -
212 157 55 57.6 bumpleak/osh mut
221 171 49 57.9 _bin/cxx-opt+bumproot/osh mut
237 165 72 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 187 69 48.9 osh-native mut+alloc
262 195 67 50.7 osh-native mut+alloc+free
222 163 59 9.0 osh-native mut+alloc+free+gc
221 177 44 9.0 osh-native mut+alloc+free+gc+exit
261 202 59 49.4 osh-nosouffle mut+alloc
270 190 80 51.3 osh-nosouffle mut+alloc+free
227 166 60 9.4 osh-nosouffle mut+alloc+free+gc
227 185 42 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 200 76 65.1 _bin/cxx-opt+nopool/osh mut+alloc
250 199 51 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 5 5 3.9 dash -
16 6 11 4.8 bash -
15 7 9 3.8 zsh -
19 7 12 14.0 bumpleak/osh mut
18 10 9 13.1 _bin/cxx-opt+bumproot/osh mut
18 8 10 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.4 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
21 11 11 9.6 osh-native mut+alloc+free+gc
22 14 9 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.2 osh-nosouffle mut+alloc
21 11 11 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 14 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 14 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc