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 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 135 24 60 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 23 62 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.7 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,233 277 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
6 6 0 1.7 dash -
13 12 1 3.4 bash -
89 52 44 3.5 zsh -
15 11 4 30.2 bumpleak/osh mut
17 12 5 29.0 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.6 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 26 7 18.4 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 15 15 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 23 15 32.3 _bin/cxx-opt+nopool/osh mut+alloc
43 34 10 22.9 _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 1.8 dash -
42 40 2 3.4 bash -
327 188 163 3.7 zsh -
45 38 7 84.7 bumpleak/osh mut
48 39 9 86.6 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 35 73.7 osh-native mut+alloc
92 59 32 75.6 osh-native mut+alloc+free
135 111 24 51.7 osh-native mut+alloc+free+gc
140 115 25 52.4 osh-native mut+alloc+free+gc+exit
92 57 35 74.2 osh-nosouffle mut+alloc
100 68 32 76.0 osh-nosouffle mut+alloc+free
146 121 25 52.3 osh-nosouffle mut+alloc+free+gc
152 131 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 85 39 98.4 _bin/cxx-opt+nopool/osh mut+alloc
184 150 34 71.3 _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 3 3 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
6 5 1 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 5 5 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.5 _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
10 10 0 1.4 dash -
30 29 1 3.1 bash -
21 16 5 3.4 zsh -
17 14 3 32.8 bumpleak/osh mut
18 14 4 32.9 _bin/cxx-opt+bumproot/osh mut
21 15 6 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
31 17 14 27.1 osh-native mut+alloc+free
20 16 5 8.3 osh-native mut+alloc+free+gc
20 17 4 8.3 osh-native mut+alloc+free+gc+exit
34 24 10 27.3 osh-nosouffle mut+alloc
36 25 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 31 14 36.2 _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 4 3.4 bash -
211 158 53 56.6 bumpleak/osh mut
220 172 48 58.0 _bin/cxx-opt+bumproot/osh mut
241 177 64 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 186 72 48.8 osh-native mut+alloc
266 196 70 50.7 osh-native mut+alloc+free
222 175 46 9.2 osh-native mut+alloc+free+gc
229 184 45 9.2 osh-native mut+alloc+free+gc+exit
263 194 68 49.3 osh-nosouffle mut+alloc
269 197 72 51.3 osh-nosouffle mut+alloc+free
226 175 51 9.7 osh-nosouffle mut+alloc+free+gc
229 164 65 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 205 72 65.6 _bin/cxx-opt+nopool/osh mut+alloc
250 204 46 10.6 _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 3 6 3.9 dash -
16 9 8 4.7 bash -
15 10 6 3.9 zsh -
17 7 10 12.2 bumpleak/osh mut
19 10 10 14.0 _bin/cxx-opt+bumproot/osh mut
19 10 10 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
21 11 10 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
21 11 10 12.1 osh-nosouffle mut+alloc
22 12 10 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc