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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 141 25 67 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 147 24 63 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 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 25 0 2 2.8 8.9 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 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 13 0 3.4 bash -
90 55 42 3.5 zsh -
15 11 4 29.6 bumpleak/osh mut
16 13 3 29.4 _bin/cxx-opt+bumproot/osh mut
19 14 4 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 20 5 25.4 osh-native mut+alloc
27 16 11 26.0 osh-native mut+alloc+free
31 27 4 18.2 osh-native mut+alloc+free+gc
32 23 9 18.2 osh-native mut+alloc+free+gc+exit
28 17 10 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
36 26 10 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 21 17 33.1 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 1.7 dash -
43 42 1 3.4 bash -
330 192 160 3.8 zsh -
45 40 5 84.8 bumpleak/osh mut
58 49 9 84.7 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 52 32 73.8 osh-native mut+alloc
92 63 29 75.5 osh-native mut+alloc+free
141 118 23 51.9 osh-native mut+alloc+free+gc
143 116 27 52.4 osh-native mut+alloc+free+gc+exit
91 52 39 74.1 osh-nosouffle mut+alloc
100 60 40 76.0 osh-nosouffle mut+alloc+free
147 124 23 52.1 osh-nosouffle mut+alloc+free+gc
145 124 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
130 84 46 98.4 _bin/cxx-opt+nopool/osh mut+alloc
210 169 41 72.3 _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 -
6 5 1 3.4 zsh -
6 5 1 11.3 bumpleak/osh mut
6 5 1 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 2 10.4 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 4 4 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 6 2 10.9 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _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 1.6 dash -
30 29 1 3.3 bash -
21 13 9 3.4 zsh -
17 13 4 32.5 bumpleak/osh mut
18 14 4 32.0 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 13 26.9 osh-native mut+alloc
31 21 10 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 24 10 27.3 osh-nosouffle mut+alloc
36 23 13 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.9 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 31 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
104 101 3 3.4 bash -
213 168 45 57.1 bumpleak/osh mut
222 160 62 56.5 _bin/cxx-opt+bumproot/osh mut
243 174 69 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 186 69 48.9 osh-native mut+alloc
261 198 63 50.9 osh-native mut+alloc+free
222 169 53 9.0 osh-native mut+alloc+free+gc
222 171 51 9.2 osh-native mut+alloc+free+gc+exit
259 184 75 49.3 osh-nosouffle mut+alloc
271 210 61 51.3 osh-nosouffle mut+alloc+free
228 180 47 9.6 osh-nosouffle mut+alloc+free+gc
230 181 49 10.0 osh-nosouffle mut+alloc+free+gc+exit
278 199 80 64.0 _bin/cxx-opt+nopool/osh mut+alloc
250 213 37 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 6 3.9 dash -
16 7 10 5.0 bash -
16 7 9 3.9 zsh -
18 7 12 12.9 bumpleak/osh mut
19 7 13 13.1 _bin/cxx-opt+bumproot/osh mut
20 9 11 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 14 6 11.5 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 11 11 9.4 osh-native mut+alloc+free+gc
22 13 10 9.3 osh-native mut+alloc+free+gc+exit
21 7 15 12.3 osh-nosouffle mut+alloc
24 7 17 12.2 osh-nosouffle mut+alloc+free
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc
23 12 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 8 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc