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 18.2 471,276 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 149 27 73 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 24 63 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,258 277 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 11 2 3.4 bash -
90 58 39 3.4 zsh -
15 10 5 30.0 bumpleak/osh mut
16 14 2 29.0 _bin/cxx-opt+bumproot/osh mut
19 15 5 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 14 25.4 osh-native mut+alloc
28 20 8 26.0 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
33 27 5 18.2 osh-native mut+alloc+free+gc+exit
28 19 10 26.0 osh-nosouffle mut+alloc
31 20 10 26.3 osh-nosouffle mut+alloc+free
34 30 4 18.6 osh-nosouffle mut+alloc+free+gc
36 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 19 21 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 34 12 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 21 2 1.7 dash -
42 39 3 3.5 bash -
328 202 148 3.7 zsh -
45 32 13 86.1 bumpleak/osh mut
49 37 12 85.6 _bin/cxx-opt+bumproot/osh mut
59 51 8 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 37 73.5 osh-native mut+alloc
90 61 29 75.6 osh-native mut+alloc+free
149 126 23 51.7 osh-native mut+alloc+free+gc
153 125 28 52.5 osh-native mut+alloc+free+gc+exit
93 67 26 74.2 osh-nosouffle mut+alloc
100 71 29 76.0 osh-nosouffle mut+alloc+free
146 125 21 52.3 osh-nosouffle mut+alloc+free+gc
150 129 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 82 42 99.6 _bin/cxx-opt+nopool/osh mut+alloc
212 176 36 72.7 _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 3 1 3.1 bash -
7 2 5 3.4 zsh -
6 5 1 13.2 bumpleak/osh mut
6 5 1 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 4 4 10.7 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
10 6 4 11.0 osh-nosouffle mut+alloc+free
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 11 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 9 0 1.6 dash -
31 30 1 3.3 bash -
21 18 4 3.4 zsh -
17 11 5 33.6 bumpleak/osh mut
18 15 3 32.2 _bin/cxx-opt+bumproot/osh mut
22 15 7 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 27.0 osh-native mut+alloc
31 19 12 27.0 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 16 5 8.3 osh-native mut+alloc+free+gc+exit
34 28 6 27.3 osh-nosouffle mut+alloc
35 24 12 27.4 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 22 25 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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 99 5 3.5 bash -
214 167 47 56.1 bumpleak/osh mut
223 180 43 58.0 _bin/cxx-opt+bumproot/osh mut
241 186 54 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 181 74 48.8 osh-native mut+alloc
264 192 72 50.7 osh-native mut+alloc+free
222 181 41 9.2 osh-native mut+alloc+free+gc
224 170 53 9.2 osh-native mut+alloc+free+gc+exit
263 183 80 49.3 osh-nosouffle mut+alloc
275 205 70 51.4 osh-nosouffle mut+alloc+free
229 188 41 9.6 osh-nosouffle mut+alloc+free+gc
230 186 44 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 209 73 65.9 _bin/cxx-opt+nopool/osh mut+alloc
250 200 50 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 4.1 dash -
16 10 7 4.7 bash -
16 8 9 3.8 zsh -
19 10 10 13.8 bumpleak/osh mut
18 9 10 12.5 _bin/cxx-opt+bumproot/osh mut
19 7 12 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.5 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 10 11 9.4 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
22 8 15 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 18 7 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc