Concat operator

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Linux CLANG

Observable construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable construction	0.40ns	0.401238	1.00	0.40ns
Dynamic observable construction	31.91ns	28.7941	1.11	27.77ns
Specific observable construction + as_dynamic	31.89ns	28.5529	1.12	25.00ns

Observable lift

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable lift specific observer	78.09ns	78.1719	1.00	290.96ns
Specific observable lift dynamic observer	105.30ns	105.286	1.00	308.04ns
Dynamic observable lift specific observer	160.57ns	161.12	1.00	342.71ns
Dynamic observable lift dynamic observer	183.79ns	177.734	1.03	327.14ns

Observable subscribe

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe specific observer	48.68ns	48.7049	1.00	289.23ns
Specific observable subscribe dynamic observer	61.20ns	61.7314	0.99	297.60ns
Dynamic observable subscribe specific observer	111.32ns	110.872	1.00	335.87ns
Dynamic observable subscribe dynamic observer	114.39ns	116.114	0.99	318.66ns

Observable subscribe #2

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe lambda	48.71ns	48.7186	1.00	289.07ns
Dynamic observable subscribe lambda	110.81ns	110.492	1.00	333.35ns
Specific observable subscribe lambda without subscription	48.81ns	48.6745	1.00	286.35ns
Dynamic observable subscribe lambda without subscription	111.22ns	110.363	1.01	335.15ns
Specific observable subscribe specific subscriber	16.08ns	16.0699	1.00	220.83ns
Dynamic observable subscribe specific subscriber	77.41ns	77.5328	1.00	270.19ns
Specific observable subscribe dynamic observer	16.07ns	16.0577	1.00	242.43ns
Dynamic observable subscribe dynamic observer	68.32ns	68.3459	1.00	260.41ns

Observer construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer construction	0.40ns	0.401862	1.00	0.40ns
Dynamic observer construction	31.30ns	31.4889	0.99	19.66ns
Specific observer construction + as_dynamic	31.41ns	28.6729	1.10	19.68ns

OnNext

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer OnNext	0.80ns	0.441901	1.82	0.80ns
Dynamic observer OnNext	1.61ns	1.60838	1.00	1.61ns

Operators

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
map construction from observable via dot + subscribe	75.90ns	75.929	1.00	241.93ns

Subscriber construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Make subsriber	32.90ns	32.8031	1.00	73.54ns
Make copy of subscriber	18.87ns	16.0583	1.18	5.01ns
Transform subsriber to dynamic	46.95ns	47.0403	1.00	24.91ns

Subscription

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
composite_subscription create	33.62ns	33.7684	1.00	49.89ns
composite_subscription add	48.47ns	45.2584	1.07	21.40ns
composite_subscription unsubscribe	8.04ns	8.04282	1.00	13.66ns

foundamental sources

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
empty	16.09ns	16.1202	1.00	31.15ns
error	48.33ns	48.7294	0.99	73.63ns
never	16.07ns	16.0763	1.00	231.43ns

from

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
from vector with int	25.52ns	26.2904	0.97	54.98ns

just

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
just send int	16.07ns	16.0857	1.00	31.75ns
just send variadic	18.94ns	18.9111	1.00	38.43ns

merge

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
merge	16.78ns	16.8705	0.99	122.31ns
merge_with	77.18ns	76.8723	1.00	291.88ns

publish_subject callbacks

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
on_next	30.77ns	30.7735	1.00	8.86ns
on_error	2.02ns	2.01869	1.00	19.00ns
on_completed	1.67ns	1.66009	1.01	0.80ns

publish_subject routines

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
construct	170.74ns	171.513	1.00	157.14ns
get_observable	33.73ns	33.779	1.00	45.18ns
get_subscriber	67.37ns	66.9926	1.01	13.11ns

Linux GCC

Observable construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable construction	0.40ns	0.334558	1.21	0.40ns
Dynamic observable construction	17.39ns	18.6454	0.93	21.65ns
Specific observable construction + as_dynamic	17.33ns	18.9697	0.91	21.71ns

Observable lift

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable lift specific observer	24.35ns	27.6645	0.88	345.04ns
Specific observable lift dynamic observer	27.52ns	31.2006	0.88	353.30ns
Dynamic observable lift specific observer	75.67ns	73.5072	1.03	395.49ns
Dynamic observable lift dynamic observer	70.75ns	69.7569	1.01	373.57ns

Observable subscribe

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe specific observer	22.39ns	23.143	0.97	330.58ns
Specific observable subscribe dynamic observer	20.52ns	25.4603	0.81	342.02ns
Dynamic observable subscribe specific observer	49.70ns	52.9366	0.94	371.58ns
Dynamic observable subscribe dynamic observer	37.30ns	39.693	0.94	355.93ns

Observable subscribe #2

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe lambda	20.73ns	23.4094	0.89	326.39ns
Dynamic observable subscribe lambda	57.15ns	57.5547	0.99	405.76ns
Specific observable subscribe lambda without subscription	21.04ns	23.5806	0.89	324.50ns
Dynamic observable subscribe lambda without subscription	49.39ns	52.0319	0.95	435.59ns
Specific observable subscribe specific subscriber	6.01ns	3.81228	1.58	274.28ns
Dynamic observable subscribe specific subscriber	28.53ns	31.238	0.91	327.21ns
Specific observable subscribe dynamic observer	6.03ns	3.79736	1.59	291.52ns
Dynamic observable subscribe dynamic observer	17.79ns	15.8698	1.12	303.35ns

Observer construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer construction	0.43ns	0.33493	1.28	0.40ns
Dynamic observer construction	17.28ns	19.4523	0.89	18.53ns
Specific observer construction + as_dynamic	17.74ns	19.286	0.92	19.38ns

OnNext

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer OnNext	0.43ns	0.334813	1.29	0.44ns
Dynamic observer OnNext	1.61ns	1.67597	0.96	1.61ns

Operators

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
map construction from observable via dot + subscribe	24.52ns	14.8885	1.65	355.75ns

Subscriber construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Make subsriber	19.36ns	21.7313	0.89	61.21ns
Make copy of subscriber	6.02ns	3.72724	1.62	5.95ns
Transform subsriber to dynamic	21.12ns	21.7748	0.97	30.17ns

Subscription

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
composite_subscription create	19.65ns	21.2274	0.93	51.11ns
composite_subscription add	26.97ns	21.8264	1.24	14.30ns
composite_subscription unsubscribe	8.05ns	8.37282	0.96	10.89ns

foundamental sources

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
empty	6.00ns	3.50168	1.71	47.18ns
error	44.73ns	35.8598	1.25	84.18ns
never	6.01ns	3.57881	1.68	299.30ns

from

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
from vector with int	19.28ns	22.4911	0.86	64.42ns

just

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
just send int	5.47ns	3.65316	1.50	48.57ns
just send variadic	6.01ns	4.08569	1.47	48.84ns

merge

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
merge	6.11ns	3.94081	1.55	132.10ns
merge_with	40.57ns	42.988	0.94	337.75ns

publish_subject callbacks

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
on_next	20.26ns	17.1905	1.18	10.90ns
on_error	0.81ns	1.34374	0.60	16.14ns
on_completed	1.21ns	1.34289	0.90	0.80ns

publish_subject routines

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
construct	120.42ns	122.409	0.98	160.22ns
get_observable	5.80ns	5.74911	1.01	44.38ns
get_subscriber	17.38ns	11.6252	1.49	23.15ns

Windows MSVC

Observable construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable construction	2.91ns	1.50716	1.93	0.75ns
Dynamic observable construction	143.34ns	81.6742	1.75	143.19ns
Specific observable construction + as_dynamic	105.48ns	82.0548	1.29	148.64ns

Observable lift

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable lift specific observer	154.73ns	137.011	1.13	1392.42ns
Specific observable lift dynamic observer	210.19ns	168.934	1.24	1474.74ns
Dynamic observable lift specific observer	303.99ns	265.082	1.15	1636.47ns
Dynamic observable lift dynamic observer	261.16ns	220.888	1.18	1493.95ns

Observable subscribe

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe specific observer	122.09ns	104.514	1.17	1349.05ns
Specific observable subscribe dynamic observer	134.22ns	117.922	1.14	1391.95ns
Dynamic observable subscribe specific observer	241.38ns	218.263	1.11	1554.33ns
Dynamic observable subscribe dynamic observer	190.42ns	162.196	1.17	1477.63ns

Observable subscribe #2

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe lambda	132.82ns	105.333	1.26	1343.11ns
Dynamic observable subscribe lambda	243.79ns	216.381	1.13	1540.83ns
Specific observable subscribe lambda without subscription	117.53ns	104.686	1.12	1625.43ns
Dynamic observable subscribe lambda without subscription	302.16ns	216.872	1.39	1600.17ns
Specific observable subscribe specific subscriber	19.38ns	16.7729	1.16	963.26ns
Dynamic observable subscribe specific subscriber	144.21ns	131.764	1.09	1167.61ns
Specific observable subscribe dynamic observer	27.84ns	16.832	1.65	1007.26ns
Dynamic observable subscribe dynamic observer	73.19ns	64.8535	1.13	1034.41ns

Observer construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer construction	0.89ns	0.714014	1.24	1.99ns
Dynamic observer construction	91.62ns	81.5605	1.12	151.07ns
Specific observer construction + as_dynamic	90.54ns	82.131	1.10	129.29ns

OnNext

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer OnNext	0.74ns	0.671345	1.11	0.74ns
Dynamic observer OnNext	2.26ns	2.01182	1.13	2.61ns

Operators

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
map construction from observable via dot + subscribe	83.60ns	77.7825	1.07	1149.00ns

Subscriber construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Make subsriber	99.26ns	87.131	1.14	405.55ns
Make copy of subscriber	16.77ns	17.0171	0.99	36.43ns
Transform subsriber to dynamic	111.31ns	96.4922	1.15	170.29ns

Subscription

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
composite_subscription create	102.51ns	86.5306	1.18	388.31ns
composite_subscription add	71.59ns	64.441	1.11	72.71ns
composite_subscription unsubscribe	7.75ns	8.38172	0.92	26.55ns

foundamental sources

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
empty	17.00ns	16.8314	1.01	617.54ns
error	55.64ns	47.6414	1.17	271.96ns
never	19.34ns	16.7564	1.15	1147.14ns

from

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
from vector with int	94.12ns	84.0392	1.12	307.01ns

just

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
just send int	22.96ns	19.8329	1.16	224.33ns
just send variadic	24.30ns	20.6134	1.18	226.91ns

merge

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
merge	37.42ns	35.0025	1.07	790.32ns
merge_with	341.33ns	299.723	1.14	1684.29ns

publish_subject callbacks

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
on_next	23.38ns	23.2935	1.00	35.08ns
on_error	2.26ns	2.37252	0.95	22.09ns
on_completed	2.73ns	2.48634	1.10	0.77ns

publish_subject routines

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
construct	357.66ns	289.063	1.24	902.20ns
get_observable	32.38ns	25.9313	1.25	177.01ns
get_subscriber	60.34ns	50.3012	1.20	108.70ns

[codecov]

Codecov Report

Merging #179 (f6ca21a) into main (5444163) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #179      +/-   ##
==========================================
+ Coverage   99.67%   99.69%   +0.01%     
==========================================
  Files          70       72       +2     
  Lines         932      975      +43     
==========================================
+ Hits          929      972      +43     
  Misses          3        3              

Impacted Files	Coverage Δ
src/rpp/rpp/observables/interface_observable.hpp	100.00% <ø> (ø)
src/rpp/rpp/operators/concat.hpp	100.00% <100.00%> (ø)
src/rpp/rpp/operators/fwd/concat.hpp	100.00% <100.00%> (ø)

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