Go versus Rust fastest performance

How the programs are written matters! 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	3.88	19,804	1260	15.27
Rust #4	6.93	19,804	1026	27.20
Rust #5	7.66	19,804	1023	29.90
Go #3	8.34	19,808	975	33.31
Rust #2	9.15	19,804	1198	35.90
Go #8	46.13	19,440	500	46.24
Go	12.29	19,808	906	49.04
Go #2	12.35	19,808	903	49.32
n-body
source	secs	mem	gz	cpu secs
* Rust #9	2.19	19,804	1881	2.19
* Rust #7	3.25	19,804	1759	3.24
Rust #2	3.94	19,804	1809	3.94
* Rust #6	4.30	19,804	1796	4.30
Rust #3	4.49	19,352	1774	4.49
* Rust #5	5.01	19,804	2224	5.01
Rust #4	5.10	19,804	1810	5.10
Rust	5.51	19,804	1483	5.51
Go #3	6.38	19,808	1207	6.40
Go	7.01	19,808	1316	7.03
Go #2	7.03	19,808	1222	7.05
Go #8	9.60	19,436	1224	9.62
spectral-norm
source	secs	mem	gz	cpu secs
* Rust #6	0.72	19,804	1132	2.85
Rust #4	0.72	19,804	823	2.85
* Rust #5	0.72	19,804	1062	2.85
* Rust #2	0.78	19,804	1117	2.98
* Rust	0.77	19,804	1262	2.99
* Rust #3	0.78	19,804	1060	3.00
Go #8	5.33	19,416	429	5.34
Go	5.33	19,808	417	5.34
Go #2	1.50	19,808	674	5.68
Go #4	1.45	19,808	555	5.69
* Rust #7		Make Error
mandelbrot
source	secs	mem	gz	cpu secs
* Rust #4	0.94	33,408	1301	3.73
Rust #2	1.07	33,592	770	4.23
* Rust #6	1.08	34,048	1338	4.23
Rust #7	1.06	33,408	763	4.23
Rust #5	1.13	34,048	725	4.43
Rust #3	1.14	19,860	1013	4.54
Rust	2.00	39,296	874	7.84
Go #4	3.76	35,456	912	14.99
Go #3	3.77	35,456	900	15.00
Go	5.02	33,024	829	20.02
Go #8	26.68	19,440	500	26.74
Go #2	6.85	33,152	843	27.28
Go #6	6.89	33,024	707	27.44
fasta
source	secs	mem	gz	cpu secs
* Rust #7	0.77	19,804	2533	1.54
Rust #3	1.98	19,804	1235	1.97
Rust #2	0.92	19,932	1910	3.09
Rust #9	0.93	19,352	1952	3.13
Rust #5	0.94	19,932	1963	3.14
Rust #6	3.46	123,652	959	3.45
Rust #4	3.57	123,652	944	3.57
Go	3.73	19,808	1055	3.74
Go #2	1.27	19,808	1405	4.06
Go #3	1.51	19,808	1362	4.09
Rust	4.24	19,804	1240	4.24
Go #8	18.27	19,440	838	18.46
k-nucleotide
source	secs	mem	gz	cpu secs
Rust #7	2.84	133,840	1585	8.91
Rust #6	2.96	159,600	1697	10.67
Rust #3	3.52	137,568	1549	10.78
Rust #5	3.96	137,844	1745	11.95
Rust #2	6.28	138,736	1350	16.39
Rust #9	6.44	135,800	1850	17.00
Rust #4	6.74	137,440	1755	18.30
Go #7	7.63	163,072	1613	28.79
Go #3	8.18	145,280	1729	29.88
Go #6	8.21	145,152	1596	30.01
Go #4	9.16	140,032	1552	31.38
Rust	22.54	157,124	1086	67.38
reverse-complement
source	secs	mem	gz	cpu secs
* Rust	0.53	498,816	2762	0.83
Rust #2	0.98	995,200	1332	1.62
Rust #3	0.98	995,200	1105	1.68
Go #2	2.19	800,640	614	2.29
Go #3	2.48	800,384	609	2.57
Go #6	1.91	1,244,508	1340	3.40
Go #5		Bad Output
Go		Failed
binary-trees
source	secs	mem	gz	cpu secs
Rust #5	1.08	198,656	771	3.77
Rust #2	1.22	199,684	729	4.29
Rust #4	1.33	187,948	765	4.80
Rust #3	1.40	188,740	762	5.06
Rust	2.05	132,992	760	7.21
Go #6	27.90	404,096	618	29.26
Go #2	14.17	624,780	672	56.29
Go #3	14.91	326,508	806	58.00
Go #5	14.87	425,960	957	58.15
Go	32.01	243,192	488	59.78
Go #7	32.52	248,604	531	61.47
pidigits
source	secs	mem	gz	cpu secs
Rust #4	0.71	19,804	804	0.71
* Rust #3	0.74	19,804	1373	0.74
* Rust	0.74	19,804	1426	0.74
* Rust #2	0.74	19,804	1312	0.74
* Go #4	0.82	19,808	689	0.83
Go	1.18	19,808	715	1.20
* Go #3	1.40	19,808	610	1.44
Go #2	1.84	19,808	740	1.89
Go #6	2.46	19,512	727	2.46
Go #7	4.99	19,808	702	5.61
regex-redux
source	secs	mem	gz	cpu secs
Rust #6	1.18	154,096	994	1.44
Rust	1.33	153,792	811	1.58
Rust #5	1.34	203,224	777	1.58
Rust #2	1.34	153,776	707	1.60
Rust #4	1.35	199,548	771	1.61
Rust #3	1.36	202,908	726	1.61
* Rust #7	0.78	149,888	2464	1.99
Go #5	3.25	321,360	817	5.43
Go #4	14.61	369,008	832	35.91
Go	25.37	319,956	749	61.07
Go #3	25.62	371,204	836	61.79
Go	go version go1.23.1 linux/amd64 GOAMD64=v2
Rust	1.80.1 (3f5fd8dd4 2024-08-06) LLVM version: 18.1.7