Go versus Rust fastest performance

Always look at the source code.

If the fastest programs are hand-written vector instructions, does the host language matter? You might be more interested in the less optimised programs — more seconds, less gz source code.

fannkuch-redux
source	secs	mem	gz	cpu secs
Rust #6	4.00	19,652	1260	15.86
Rust #4	7.10	19,652	1026	27.94
Rust #5	7.88	19,784	1023	30.85
Go #3	8.33	19,664	975	33.25
Go	11.74	19,664	906	46.77
Go #2	11.79	19,664	903	46.97
Rust #2	18.53	19,780	1198	73.32
n-body
source	secs	mem	gz	cpu secs
Rust #9	2.20	19,660	1881	2.20
Rust #7	3.13	19,660	1759	3.13
Rust #2	3.92	19,660	1809	3.92
Rust #6	3.95	19,788	1796	3.95
Rust #8	4.51	19,788	1774	4.50
Rust #5	5.06	19,788	2224	5.06
Rust #4	5.21	19,660	1810	5.21
Rust	5.51	19,660	1483	5.51
Rust #3	5.60	19,656	1546	5.60
Go #3	6.37	19,808	1207	6.38
Go	7.00	19,680	1316	7.02
Go #2	7.02	19,680	1222	7.03
spectral-norm
source	secs	mem	gz	cpu secs
Rust #2	0.72	19,668	1117	2.58
Rust	0.74	19,668	1262	2.60
Rust #3	0.79	19,796	1060	2.83
Rust #6	0.72	19,668	1132	2.84
Rust #4	0.72	19,796	823	2.85
Rust #7	0.72	19,796	938	2.85
Rust #5	0.72	19,668	1062	2.85
Go	5.32	19,824	417	5.33
Go #2	1.53	19,824	674	5.67
Go #4	1.44	19,824	555	5.67
mandelbrot
source	secs	mem	gz	cpu secs
Rust #4	0.96	33,280	1301	3.78
Rust #6	1.07	34,048	1338	4.20
Rust #8	1.06	33,280	770	4.21
Rust #7	1.06	33,280	763	4.21
Rust #5	1.12	33,920	725	4.40
Rust #3	1.14	19,656	1013	4.51
Rust	1.83	39,296	874	7.20
Go #4	3.76	35,328	912	14.92
Go #3	3.76	35,456	900	14.94
Go	5.01	33,408	829	19.98
Go #2	6.85	33,152	843	27.29
Go #6	6.89	32,768	707	27.40
pidigits
source	secs	mem	gz	cpu secs
Rust #4	0.71	19,660	804	0.71
Rust	0.88	19,660	1426	0.88
Rust #3	0.88	19,660	1373	0.88
Rust #2	0.88	19,660	1312	0.88
Go #4	0.95	19,808	689	0.97
Go	1.35	19,696	715	1.37
Go #3	1.58	19,824	610	1.62
Go #2	2.13	19,824	740	2.19
Go #8	2.49	19,696	727	2.50
Go #7	5.12	19,824	702	5.88
regex-redux
source	secs	mem	gz	cpu secs
Rust #6	1.19	153,584	994	1.44
Rust #5	1.28	202,584	777	1.52
Rust	1.30	154,416	811	1.52
Rust #4	1.30	199,540	771	1.54
Rust #3	1.31	202,684	726	1.56
Rust #2	1.34	153,896	707	1.58
Rust #7	0.78	150,272	2464	1.99
Go #5	3.17	320,972	817	5.38
Go #4	14.51	368,680	832	34.26
Go	25.58	345,472	749	61.95
Go #3	25.72	402,968	836	62.19
fasta
source	secs	mem	gz	cpu secs
Rust #7	0.76	19,664	2533	1.51
Rust #3	2.00	19,656	1235	2.00
Rust #8	0.92	19,784	1952	3.10
Rust #2	0.91	19,656	1910	3.29
Rust #5	0.91	19,656	1963	3.30
Rust #4	3.45	123,784	944	3.45
Rust #6	3.48	123,784	959	3.48
Go	3.73	19,804	1055	3.74
Go #2	1.26	19,672	1405	4.03
Go #3	1.50	19,664	1362	4.08
Rust	4.52	19,656	1240	4.52
k-nucleotide
source	secs	mem	gz	cpu secs
Rust #7	2.86	134,084	1585	9.12
Rust #8	3.68	137,580	1549	10.41
Rust #6	2.90	159,464	1697	10.51
Rust #5	3.91	137,764	1745	11.86
Rust #2	6.10	139,388	1350	16.32
Rust #9	6.77	135,684	1850	18.07
Rust #4	6.70	137,288	1755	18.12
Go #7	7.52	162,944	1613	28.68
Go #6	8.17	145,152	1596	29.90
Go #3	8.38	145,152	1729	30.32
Go #4	9.07	139,904	1552	30.33
Rust	21.62	157,080	1086	64.67
reverse-complement
source	secs	mem	gz	cpu secs
Rust	0.52	498,816	2762	0.83
Rust #2	0.85	995,200	1332	1.50
Rust #3	0.87	995,072	1105	1.58
Go #2	2.21	802,176	614	2.30
Go #3	2.47	802,048	609	2.56
Go #6	1.84	1,249,840	1340	3.30
Go #5		Bad Output
Go		Failed
binary-trees
source	secs	mem	gz	cpu secs
Rust #5	1.08	198,528	771	3.82
Rust #2	1.22	199,676	729	4.29
Rust #4	1.29	189,052	765	4.67
Rust #3	1.39	198,860	762	5.04
Rust	2.04	133,120	760	7.21
Go #6	27.61	404,608	618	29.03
Go #2	13.87	601,252	672	55.04
Go #5	14.37	308,092	957	56.80
Go #3	14.86	323,544	806	57.39
Go	30.97	262,396	488	57.95
Go #7	33.10	292,588	531	61.68
Go	go version go1.22.0 linux/amd64 GOAMD64=v2
Rust	1.76.0 (07dca489a 2024-02-04) LLVM version: 17.0.6