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 33 4 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 37 4 12 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 150 31 74 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 160 28 76 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,234 277 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
7 7 0 1.7 dash -
13 12 1 3.3 bash -
91 53 44 3.7 zsh -
16 13 2 28.9 bumpleak/osh mut
16 13 3 30.2 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.7 osh-native mut+alloc
28 18 10 26.0 osh-native mut+alloc+free
33 25 8 18.2 osh-native mut+alloc+free+gc
35 25 10 18.4 osh-native mut+alloc+free+gc+exit
29 23 6 26.0 osh-nosouffle mut+alloc
31 20 11 26.5 osh-nosouffle mut+alloc+free
37 30 7 18.6 osh-nosouffle mut+alloc+free+gc
37 29 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 33.5 _bin/cxx-opt+nopool/osh mut+alloc
48 42 6 22.8 _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 -
43 42 1 3.4 bash -
332 190 167 3.7 zsh -
46 37 9 85.0 bumpleak/osh mut
49 40 9 86.1 _bin/cxx-opt+bumproot/osh mut
60 45 15 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 36 73.7 osh-native mut+alloc
94 64 30 75.5 osh-native mut+alloc+free
150 122 28 51.7 osh-native mut+alloc+free+gc
151 127 24 52.5 osh-native mut+alloc+free+gc+exit
93 57 36 74.1 osh-nosouffle mut+alloc
103 70 32 76.0 osh-nosouffle mut+alloc+free
160 129 31 52.3 osh-nosouffle mut+alloc+free+gc
170 143 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 86 42 99.5 _bin/cxx-opt+nopool/osh mut+alloc
208 169 39 74.0 _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 1.7 dash -
4 3 1 3.3 bash -
6 6 1 3.4 zsh -
6 3 4 11.9 bumpleak/osh mut
7 5 2 12.5 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.6 osh-native mut+alloc
9 5 4 10.6 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.1 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.4 _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 -
31 30 1 3.1 bash -
21 18 3 3.4 zsh -
17 11 6 32.6 bumpleak/osh mut
19 14 5 32.9 _bin/cxx-opt+bumproot/osh mut
21 18 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
31 13 17 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.4 osh-nosouffle mut+alloc
36 28 8 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 25 0 8.5 osh-nosouffle mut+alloc+free+gc+exit
46 28 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 6 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 99 5 3.4 bash -
214 171 43 56.7 bumpleak/osh mut
222 168 54 57.3 _bin/cxx-opt+bumproot/osh mut
240 183 57 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 187 71 48.8 osh-native mut+alloc
265 196 69 50.7 osh-native mut+alloc+free
222 174 48 8.9 osh-native mut+alloc+free+gc
224 172 52 8.9 osh-native mut+alloc+free+gc+exit
261 194 67 49.6 osh-nosouffle mut+alloc
273 206 67 51.1 osh-nosouffle mut+alloc+free
229 170 59 9.6 osh-nosouffle mut+alloc+free+gc
229 182 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 195 84 64.3 _bin/cxx-opt+nopool/osh mut+alloc
252 190 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 5 5 3.8 dash -
16 8 8 4.8 bash -
16 5 12 4.1 zsh -
19 11 9 12.9 bumpleak/osh mut
18 10 9 12.6 _bin/cxx-opt+bumproot/osh mut
20 9 12 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 13 7 11.4 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 14 8 9.4 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
21 9 12 12.1 osh-nosouffle mut+alloc
22 9 14 12.2 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
24 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc