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	3.86	19,684	1260	15.17
Rust #4	6.92	19,684	1026	27.13
Rust #5	7.45	19,684	1023	29.32
Go #3	8.34	19,808	975	33.31
Rust #2	9.15	19,684	1198	35.91
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	19,624	1881	2.19
* Rust #7	3.23	19,624	1759	3.23
Rust #3	3.46	19,624	1774	3.45
Rust #2	3.64	19,624	1809	3.64
* Rust #6	4.36	19,624	1796	4.35
* Rust #5	5.01	19,624	2224	5.01
Rust #4	5.11	19,624	1810	5.11
Rust	5.52	19,624	1483	5.52
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	0.72	19,632	1262	2.80
* Rust #2	0.72	19,632	1117	2.80
Rust #4	0.72	19,632	823	2.85
* Rust #5	0.72	19,632	1062	2.85
* Rust #6	0.72	19,632	1132	2.85
* Rust #3	0.74	19,632	1060	2.86
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	0.95	33,392	1301	3.77
* Rust #6	1.07	34,152	1338	4.20
Rust #2	1.09	33,384	770	4.33
Rust #7	1.10	33,380	763	4.37
Rust #5	1.11	33,956	725	4.37
Rust #3	1.14	19,624	1013	4.54
Rust	2.00	39,404	874	7.88
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	19,624	2533	1.54
Rust #3	1.98	19,624	1235	1.98
Rust #9	0.94	19,624	1952	3.22
Rust #5	0.93	19,624	1963	3.34
Rust #2	0.92	19,624	1910	3.40
Rust #6	3.46	123,848	959	3.46
Rust #4	3.47	123,848	944	3.46
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	4.25	19,624	1240	4.25
Go #8	11.46	19,820	880	11.55
k-nucleotide
source	secs	mem	gz	cpu secs
Rust #7	2.67	133,824	1585	8.21
Rust #3	3.21	137,564	1549	9.51
Rust #6	2.80	159,764	1697	10.03
Rust #5	3.82	137,924	1745	11.17
Rust #2	5.87	138,292	1350	15.32
Rust #9	6.63	136,168	1850	17.12
Rust #4	6.73	137,308	1755	18.72
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
Go #8	61.96	537,908	752	62.57
Rust	21.46	157,492	1086	66.75
reverse-complement
source	secs	mem	gz	cpu secs
* Rust	0.53	498,952	2762	0.84
Rust #2	0.95	995,220	1332	1.58
Rust #3	0.97	995,156	1105	1.69
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	1.09	198,720	771	3.84
Rust #2	1.19	199,796	729	4.21
Rust #3	1.39	189,928	762	5.00
Rust #4	1.39	199,084	765	5.01
Rust	2.04	132,952	760	7.26
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	19,624	804	0.71
* Rust #3	0.74	19,624	1373	0.74
* Rust #2	0.74	19,624	1312	0.74
* Rust	0.74	19,624	1426	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	1.17	153,780	994	1.42
Rust	1.34	153,972	811	1.56
Rust #5	1.33	202,800	777	1.57
Rust #4	1.34	199,684	771	1.58
Rust #3	1.34	202,952	726	1.59
Rust #2	1.38	153,932	707	1.63
* Rust #7	0.78	148,924	2464	2.00
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	1.83.0 (90b35a623 2024-11-26) LLVM version: 19.1.1