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 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 5 11 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 156 28 81 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 162 28 77 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,804 180 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 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 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 21 1 2 3.0 10.0 117,234 277 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 1.6 dash -
13 12 1 3.1 bash -
92 54 45 3.5 zsh -
16 10 6 30.5 bumpleak/osh mut
17 12 5 30.6 _bin/cxx-opt+bumproot/osh mut
20 13 7 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.3 osh-native mut+alloc
28 19 9 25.7 osh-native mut+alloc+free
33 25 8 18.2 osh-native mut+alloc+free+gc
34 27 7 18.2 osh-native mut+alloc+free+gc+exit
29 17 12 26.0 osh-nosouffle mut+alloc
31 19 11 26.3 osh-nosouffle mut+alloc+free
36 29 7 18.9 osh-nosouffle mut+alloc+free+gc
36 28 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 32.3 _bin/cxx-opt+nopool/osh mut+alloc
51 42 9 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 1.7 dash -
42 41 1 3.4 bash -
327 176 175 3.5 zsh -
46 38 8 85.2 bumpleak/osh mut
49 38 11 85.5 _bin/cxx-opt+bumproot/osh mut
60 44 17 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 59 25 73.8 osh-native mut+alloc
92 62 30 75.5 osh-native mut+alloc+free
156 133 23 51.9 osh-native mut+alloc+free+gc
163 130 33 52.4 osh-native mut+alloc+free+gc+exit
93 55 38 74.2 osh-nosouffle mut+alloc
101 65 36 76.0 osh-nosouffle mut+alloc+free
162 140 22 52.4 osh-nosouffle mut+alloc+free+gc
168 140 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 85 42 99.6 _bin/cxx-opt+nopool/osh mut+alloc
219 188 31 72.0 _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 2 0 1.6 dash -
4 4 0 3.1 bash -
7 4 3 3.4 zsh -
6 5 2 11.9 bumpleak/osh mut
6 4 3 13.2 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 4 10.7 osh-native mut+alloc+free
10 7 3 8.8 osh-native mut+alloc+free+gc
10 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 10.9 osh-nosouffle mut+alloc
9 5 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
11 9 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 8 1 1.7 dash -
31 30 1 3.3 bash -
21 17 4 3.3 zsh -
17 13 4 33.3 bumpleak/osh mut
18 13 5 33.8 _bin/cxx-opt+bumproot/osh mut
21 14 6 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.9 osh-native mut+alloc
30 22 8 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
26 22 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 26 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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
103 100 3 3.5 bash -
215 167 47 56.4 bumpleak/osh mut
222 170 51 57.7 _bin/cxx-opt+bumproot/osh mut
240 180 60 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 187 71 48.8 osh-native mut+alloc
265 183 82 50.7 osh-native mut+alloc+free
221 168 53 9.2 osh-native mut+alloc+free+gc
221 177 45 9.0 osh-native mut+alloc+free+gc+exit
260 190 70 49.4 osh-nosouffle mut+alloc
269 207 62 51.4 osh-nosouffle mut+alloc+free
228 188 40 9.6 osh-nosouffle mut+alloc+free+gc
228 192 36 9.6 osh-nosouffle mut+alloc+free+gc+exit
281 191 90 65.4 _bin/cxx-opt+nopool/osh mut+alloc
251 212 39 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 4 4.1 dash -
16 9 7 4.8 bash -
15 10 6 3.9 zsh -
18 6 12 13.3 bumpleak/osh mut
17 6 12 14.1 _bin/cxx-opt+bumproot/osh mut
19 8 11 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 9 11.7 osh-native mut+alloc
20 6 15 11.7 osh-native mut+alloc+free
20 13 8 9.6 osh-native mut+alloc+free+gc
21 13 9 9.4 osh-native mut+alloc+free+gc+exit
20 12 9 12.2 osh-nosouffle mut+alloc
21 8 13 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 11 12 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 14 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc