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 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 34 3 10 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 141 28 68 45.9 51.9 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 146 24 62 45.9 52.3 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 9.3 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 225 0 4 11.6 9.4 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 22 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
7 7 0 1.6 dash -
13 12 1 3.4 bash -
89 50 46 3.5 zsh -
16 12 4 30.5 bumpleak/osh mut
17 14 2 29.3 _bin/cxx-opt+bumproot/osh mut
20 10 10 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 11 25.4 osh-native mut+alloc
28 18 10 25.7 osh-native mut+alloc+free
32 22 11 18.2 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
29 15 14 25.8 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
34 30 4 18.7 osh-nosouffle mut+alloc+free+gc
35 26 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 19 20 32.8 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 22.4 _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 21 2 1.7 dash -
42 42 0 3.5 bash -
323 188 158 3.8 zsh -
46 36 10 85.6 bumpleak/osh mut
49 42 7 84.9 _bin/cxx-opt+bumproot/osh mut
59 46 13 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 46 35 73.5 osh-native mut+alloc
94 64 30 75.5 osh-native mut+alloc+free
141 116 25 51.9 osh-native mut+alloc+free+gc
147 124 23 52.4 osh-native mut+alloc+free+gc+exit
92 57 35 74.1 osh-nosouffle mut+alloc
101 64 37 75.9 osh-nosouffle mut+alloc+free
146 115 31 52.3 osh-nosouffle mut+alloc+free+gc
151 128 23 53.1 osh-nosouffle mut+alloc+free+gc+exit
125 79 46 99.0 _bin/cxx-opt+nopool/osh mut+alloc
199 175 24 73.1 _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 2 0 1.6 dash -
4 2 1 3.3 bash -
6 4 2 3.4 zsh -
6 3 3 11.8 bumpleak/osh mut
6 4 2 12.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.7 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 4 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.3 osh-nosouffle mut+alloc+free
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.6 _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 1.4 dash -
30 30 0 3.3 bash -
21 20 1 3.3 zsh -
17 14 3 33.0 bumpleak/osh mut
19 17 1 33.3 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 20 9 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 24 11 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 23 22 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
104 101 3 3.4 bash -
211 162 49 57.2 bumpleak/osh mut
219 170 49 57.9 _bin/cxx-opt+bumproot/osh mut
241 177 64 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 198 58 48.8 osh-native mut+alloc
262 194 68 50.7 osh-native mut+alloc+free
220 174 46 9.2 osh-native mut+alloc+free+gc
222 172 51 9.2 osh-native mut+alloc+free+gc+exit
260 185 75 49.3 osh-nosouffle mut+alloc
268 207 61 51.4 osh-nosouffle mut+alloc+free
225 169 56 9.4 osh-nosouffle mut+alloc+free+gc
225 176 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 205 72 66.0 _bin/cxx-opt+nopool/osh mut+alloc
251 215 36 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 8 8 4.8 bash -
15 4 12 4.1 zsh -
17 7 11 12.4 bumpleak/osh mut
19 9 10 13.6 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 12 7 11.7 osh-native mut+alloc
21 14 8 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
21 7 14 12.1 osh-nosouffle mut+alloc
22 13 9 12.3 osh-nosouffle mut+alloc+free
22 13 9 10.0 osh-nosouffle mut+alloc+free+gc
23 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 17 7 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc