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 18.4 471,276 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 133 23 59 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 145 24 64 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 8.8 102,804 180 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 21 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 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 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 9.4 117,235 277 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 54 43 3.5 zsh -
15 12 3 29.6 bumpleak/osh mut
16 14 2 29.6 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
28 18 10 26.0 osh-native mut+alloc+free
32 26 6 18.4 osh-native mut+alloc+free+gc
34 27 6 18.4 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.4 _bin/cxx-opt+nopool/osh mut+alloc
48 38 10 22.7 _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 -
42 42 0 3.5 bash -
331 186 167 3.7 zsh -
46 38 8 85.7 bumpleak/osh mut
48 40 8 84.9 _bin/cxx-opt+bumproot/osh mut
59 47 12 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 32 73.7 osh-native mut+alloc
93 61 32 75.4 osh-native mut+alloc+free
133 110 23 51.9 osh-native mut+alloc+free+gc
138 111 27 52.5 osh-native mut+alloc+free+gc+exit
92 56 35 74.2 osh-nosouffle mut+alloc
101 68 33 76.0 osh-nosouffle mut+alloc+free
145 124 21 52.3 osh-nosouffle mut+alloc+free+gc
150 126 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 81 46 97.5 _bin/cxx-opt+nopool/osh mut+alloc
201 170 31 72.8 _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 -
6 2 4 3.4 zsh -
6 4 2 11.4 bumpleak/osh mut
6 4 2 13.0 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
10 8 2 9.0 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 4 5 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 7 4 11.9 _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
9 9 0 1.7 dash -
31 29 2 3.3 bash -
22 14 8 3.4 zsh -
16 12 5 31.7 bumpleak/osh mut
18 13 5 33.1 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 7 26.9 osh-native mut+alloc
31 16 15 27.0 osh-native mut+alloc+free
21 18 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
34 25 9 27.3 osh-nosouffle mut+alloc
35 25 10 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.5 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 23 22 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
103 100 3 3.4 bash -
211 164 47 57.2 bumpleak/osh mut
222 169 53 56.2 _bin/cxx-opt+bumproot/osh mut
237 166 71 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 186 71 48.8 osh-native mut+alloc
265 189 75 50.7 osh-native mut+alloc+free
220 170 50 9.2 osh-native mut+alloc+free+gc
220 168 52 9.2 osh-native mut+alloc+free+gc+exit
262 195 67 49.3 osh-nosouffle mut+alloc
272 187 85 51.3 osh-nosouffle mut+alloc+free
227 183 44 9.6 osh-nosouffle mut+alloc+free+gc
227 179 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 189 88 64.3 _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 3.8 dash -
16 7 9 4.8 bash -
15 5 11 3.9 zsh -
17 8 9 13.8 bumpleak/osh mut
17 9 9 12.3 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
20 10 11 11.8 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
21 8 13 12.2 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
21 10 12 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
22 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 10 14 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc