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 36 6 13 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 150 26 75 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 159 26 74 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 8.5 102,804 180 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 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 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 226 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 9.8 117,234 277 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
6 6 1 1.6 dash -
13 12 1 3.1 bash -
92 60 39 3.5 zsh -
16 10 6 29.5 bumpleak/osh mut
17 15 2 29.0 _bin/cxx-opt+bumproot/osh mut
19 12 8 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
36 26 9 18.1 osh-native mut+alloc+free+gc
34 26 8 18.2 osh-native mut+alloc+free+gc+exit
30 21 9 25.8 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc
37 33 4 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 31 9 33.4 _bin/cxx-opt+nopool/osh mut+alloc
50 44 6 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 22 1 1.8 dash -
43 42 1 3.5 bash -
330 187 168 3.8 zsh -
46 36 9 85.7 bumpleak/osh mut
48 38 10 86.0 _bin/cxx-opt+bumproot/osh mut
59 48 11 87.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 57 30 73.6 osh-native mut+alloc
95 59 36 75.5 osh-native mut+alloc+free
150 128 22 51.7 osh-native mut+alloc+free+gc
152 137 15 52.4 osh-native mut+alloc+free+gc+exit
95 63 33 74.2 osh-nosouffle mut+alloc
105 72 34 76.0 osh-nosouffle mut+alloc+free
159 134 24 52.3 osh-nosouffle mut+alloc+free+gc
163 136 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
130 90 41 98.8 _bin/cxx-opt+nopool/osh mut+alloc
216 182 34 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 2 1 3.1 bash -
7 2 5 3.3 zsh -
6 5 1 12.3 bumpleak/osh mut
6 3 3 12.9 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
9 5 5 10.9 osh-nosouffle mut+alloc
10 4 6 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
11 10 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _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 9 1 1.6 dash -
30 29 1 3.3 bash -
21 17 5 3.4 zsh -
16 11 5 31.6 bumpleak/osh mut
19 12 7 33.2 _bin/cxx-opt+bumproot/osh mut
21 20 1 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 26.9 osh-native mut+alloc
31 23 8 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.5 osh-nosouffle mut+alloc
36 23 13 27.4 osh-nosouffle mut+alloc+free
26 21 5 8.7 osh-nosouffle mut+alloc+free+gc
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 27 20 36.8 _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
104 100 4 3.4 bash -
213 165 48 57.1 bumpleak/osh mut
228 168 60 56.6 _bin/cxx-opt+bumproot/osh mut
238 188 50 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 185 77 48.8 osh-native mut+alloc
265 207 58 50.7 osh-native mut+alloc+free
222 175 47 9.2 osh-native mut+alloc+free+gc
221 170 51 9.2 osh-native mut+alloc+free+gc+exit
262 184 78 49.3 osh-nosouffle mut+alloc
269 201 68 51.3 osh-nosouffle mut+alloc+free
226 177 49 9.7 osh-nosouffle mut+alloc+free+gc
229 188 41 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 195 85 64.1 _bin/cxx-opt+nopool/osh mut+alloc
253 200 53 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 4 5 3.9 dash -
16 9 8 4.6 bash -
15 5 11 3.9 zsh -
19 10 10 13.6 bumpleak/osh mut
19 7 13 13.8 _bin/cxx-opt+bumproot/osh mut
18 10 9 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.7 osh-native mut+alloc
21 8 13 11.8 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
22 12 11 12.3 osh-nosouffle mut+alloc+free
22 13 9 9.8 osh-nosouffle mut+alloc+free+gc
22 11 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc