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 4 10 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 138 24 65 45.9 51.9 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 142 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 8.8 102,799 180 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 8.1 572,123 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 221 0 3 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 229 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 0 1.8 dash -
13 11 2 3.3 bash -
89 51 44 3.5 zsh -
15 10 5 28.5 bumpleak/osh mut
16 11 5 29.3 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
32 23 9 18.2 osh-native mut+alloc+free+gc
32 22 10 18.3 osh-native mut+alloc+free+gc+exit
28 14 14 25.8 osh-nosouffle mut+alloc
30 16 14 26.5 osh-nosouffle mut+alloc+free
34 31 3 18.7 osh-nosouffle mut+alloc+free+gc
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 32.9 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 1.6 dash -
43 43 0 3.4 bash -
336 203 156 3.7 zsh -
46 37 9 85.9 bumpleak/osh mut
48 42 6 84.7 _bin/cxx-opt+bumproot/osh mut
60 44 15 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 52 30 73.5 osh-native mut+alloc
92 56 35 75.5 osh-native mut+alloc+free
138 116 22 51.9 osh-native mut+alloc+free+gc
139 114 26 52.4 osh-native mut+alloc+free+gc+exit
92 61 31 74.1 osh-nosouffle mut+alloc
101 76 25 75.9 osh-nosouffle mut+alloc+free
142 120 22 52.1 osh-nosouffle mut+alloc+free+gc
150 121 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 78 46 97.6 _bin/cxx-opt+nopool/osh mut+alloc
193 166 27 72.9 _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 1.8 dash -
4 2 1 3.1 bash -
6 4 2 3.4 zsh -
6 4 3 11.9 bumpleak/osh mut
6 2 4 11.2 _bin/cxx-opt+bumproot/osh mut
7 4 2 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 2 6 10.9 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 6 2 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
11 11 0 1.7 dash -
31 29 2 3.3 bash -
21 15 6 3.4 zsh -
17 12 5 32.1 bumpleak/osh mut
18 14 4 33.1 _bin/cxx-opt+bumproot/osh mut
24 20 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.1 osh-native mut+alloc
30 17 12 27.1 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 15 5 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
34 28 7 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.8 _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
104 100 3 3.5 bash -
214 165 49 57.7 bumpleak/osh mut
220 154 66 56.9 _bin/cxx-opt+bumproot/osh mut
238 167 70 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 188 66 48.8 osh-native mut+alloc
261 190 71 50.7 osh-native mut+alloc+free
221 170 51 9.2 osh-native mut+alloc+free+gc
220 167 53 9.2 osh-native mut+alloc+free+gc+exit
261 183 78 49.3 osh-nosouffle mut+alloc
271 190 81 51.3 osh-nosouffle mut+alloc+free
229 169 60 9.6 osh-nosouffle mut+alloc+free+gc
228 190 38 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 192 86 64.3 _bin/cxx-opt+nopool/osh mut+alloc
250 190 60 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 6 3 4.1 dash -
15 10 7 4.8 bash -
15 7 9 3.9 zsh -
17 9 9 12.4 bumpleak/osh mut
18 7 12 13.0 _bin/cxx-opt+bumproot/osh mut
18 9 10 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
20 10 11 9.3 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 11.9 osh-nosouffle mut+alloc
22 12 10 12.3 osh-nosouffle mut+alloc+free
21 11 10 10.0 osh-nosouffle mut+alloc+free+gc
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc