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 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 36 3 10 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 132 24 59 45.9 51.9 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 152 24 67 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,218 277 3 83,998 1 41,999 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.7 dash -
13 10 3 3.3 bash -
89 47 49 3.5 zsh -
16 11 5 28.9 bumpleak/osh mut
16 12 4 30.0 _bin/cxx-opt+bumproot/osh mut
20 14 5 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.6 osh-native mut+alloc
30 20 10 26.0 osh-native mut+alloc+free
32 27 5 18.4 osh-native mut+alloc+free+gc
32 25 7 18.3 osh-native mut+alloc+free+gc+exit
30 20 10 26.0 osh-nosouffle mut+alloc
30 23 7 26.3 osh-nosouffle mut+alloc+free
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
45 33 12 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 41 1 3.5 bash -
323 175 171 3.8 zsh -
45 36 9 86.4 bumpleak/osh mut
48 38 9 84.5 _bin/cxx-opt+bumproot/osh mut
59 44 15 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 55 29 73.7 osh-native mut+alloc
91 56 35 75.4 osh-native mut+alloc+free
132 111 21 51.9 osh-native mut+alloc+free+gc
138 110 28 52.4 osh-native mut+alloc+free+gc+exit
92 63 29 74.1 osh-nosouffle mut+alloc
101 68 33 75.9 osh-nosouffle mut+alloc+free
152 132 20 52.3 osh-nosouffle mut+alloc+free+gc
148 124 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 78 49 98.3 _bin/cxx-opt+nopool/osh mut+alloc
198 165 32 74.4 _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 1.8 dash -
4 3 1 3.1 bash -
7 4 3 3.4 zsh -
6 5 1 11.8 bumpleak/osh mut
6 4 2 11.7 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 6 2 10.5 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 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 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _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 1 1.4 dash -
31 31 0 3.3 bash -
21 13 8 3.4 zsh -
16 12 4 32.5 bumpleak/osh mut
18 14 4 31.9 _bin/cxx-opt+bumproot/osh mut
21 19 2 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.3 osh-nosouffle mut+alloc
35 20 15 27.4 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 32 13 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 10.0 _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 4 3.4 bash -
212 159 53 57.8 bumpleak/osh mut
220 161 59 57.3 _bin/cxx-opt+bumproot/osh mut
244 176 68 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 183 74 48.9 osh-native mut+alloc
261 183 78 50.7 osh-native mut+alloc+free
220 173 47 9.2 osh-native mut+alloc+free+gc
220 173 47 9.0 osh-native mut+alloc+free+gc+exit
263 192 71 49.2 osh-nosouffle mut+alloc
271 198 74 51.4 osh-nosouffle mut+alloc+free
227 178 49 9.6 osh-nosouffle mut+alloc+free+gc
226 170 56 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 206 74 65.7 _bin/cxx-opt+nopool/osh mut+alloc
261 199 62 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 11 6 4.8 bash -
16 7 10 4.1 zsh -
17 8 10 14.2 bumpleak/osh mut
18 8 11 13.5 _bin/cxx-opt+bumproot/osh mut
20 7 13 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 11 11.5 osh-native mut+alloc
20 9 12 11.8 osh-native mut+alloc+free
20 9 11 9.3 osh-native mut+alloc+free+gc
21 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 10 12.1 osh-nosouffle mut+alloc
21 10 12 12.3 osh-nosouffle mut+alloc+free
21 10 11 10.1 osh-nosouffle mut+alloc+free+gc
22 11 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 13 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc