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 4 10 12.0 18.1 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 34 3 10 12.0 18.9 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 129 23 57 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 140 24 59 45.9 52.1 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 10 1 2 2.6 9.2 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.0 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 228 0 3 11.6 9.6 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,229 277 3 84,014 1 42,007 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 1 1.7 dash -
13 13 0 3.3 bash -
89 50 45 3.5 zsh -
15 13 2 29.8 bumpleak/osh mut
16 12 4 29.5 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 11 14 25.4 osh-native mut+alloc
27 16 11 25.7 osh-native mut+alloc+free
31 27 4 18.1 osh-native mut+alloc+free+gc
32 25 7 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
30 25 5 26.3 osh-nosouffle mut+alloc+free
34 23 11 18.9 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 30 8 32.7 _bin/cxx-opt+nopool/osh mut+alloc
45 32 13 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 22 1 1.7 dash -
42 42 0 3.4 bash -
323 171 175 3.8 zsh -
46 36 10 84.6 bumpleak/osh mut
49 38 11 86.1 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 46 37 73.8 osh-native mut+alloc
92 63 29 75.5 osh-native mut+alloc+free
129 105 24 51.7 osh-native mut+alloc+free+gc
134 109 25 52.3 osh-native mut+alloc+free+gc+exit
91 61 30 74.2 osh-nosouffle mut+alloc
100 71 28 76.0 osh-nosouffle mut+alloc+free
140 120 20 52.1 osh-nosouffle mut+alloc+free+gc
150 131 19 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 86 39 97.8 _bin/cxx-opt+nopool/osh mut+alloc
194 160 34 72.1 _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 4 0 3.1 bash -
6 3 3 3.5 zsh -
6 5 1 11.9 bumpleak/osh mut
7 3 4 12.5 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 4 4 10.9 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 6 2 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 6 4 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 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 16 5 3.4 zsh -
17 14 3 32.3 bumpleak/osh mut
18 18 0 32.3 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.9 osh-native mut+alloc
30 20 10 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
34 24 10 27.3 osh-nosouffle mut+alloc
36 26 10 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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 96 7 3.4 bash -
212 159 53 57.1 bumpleak/osh mut
220 165 55 56.3 _bin/cxx-opt+bumproot/osh mut
240 177 63 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 178 77 48.8 osh-native mut+alloc
265 186 79 50.7 osh-native mut+alloc+free
220 178 42 9.0 osh-native mut+alloc+free+gc
218 169 49 9.0 osh-native mut+alloc+free+gc+exit
262 194 68 49.3 osh-nosouffle mut+alloc
269 201 68 51.4 osh-nosouffle mut+alloc+free
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc
224 176 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 212 68 64.2 _bin/cxx-opt+nopool/osh mut+alloc
250 194 56 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 7 9 4.6 bash -
15 8 8 3.9 zsh -
19 10 9 13.5 bumpleak/osh mut
17 9 9 12.6 _bin/cxx-opt+bumproot/osh mut
19 7 13 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 12 7 11.4 osh-native mut+alloc
20 7 14 11.5 osh-native mut+alloc+free
20 10 10 9.3 osh-native mut+alloc+free+gc
21 10 12 9.8 osh-native mut+alloc+free+gc+exit
20 12 8 12.1 osh-nosouffle mut+alloc
21 10 12 12.3 osh-nosouffle mut+alloc+free
21 12 9 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 9.8 osh-nosouffle mut+alloc+free+gc+exit
22 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc