AMD Ryzen 9 3900 12-Core Processor

EvoBench v3.3 · 24 Livermore kernels · Waverian Evolution benchmark

Version	3.3.0
Date	00:48 02/03/2026
Compiler	cc (Debian 14.2.0-19) 14.2.0
Logical cores	24
CPU name	AMD Ryzen 9 3900 12-Core Processor
Comment	The rare 3900 non-X, low-TDP model; Zen2.
Clockrate (base / max)	3,100 / 4,300 MHz
TDP	88.0 W
Normalized	ST/GHz: 970 · MT/Watt: 656

3,512

Overall score

928 - Singlecore	12,811 MP ratio x13.8 Multicore
3,645 MP ratio x3.9 Quadcore	12,759 MP ratio x13.7 Workstation

Non optimized	Single core	Multi core	Quad core	Workstation
Maximum	2,707	31,272	10,457	31,068
Average	1,080	14,513	4,226	14,475
Geometric (= official score)	928	12,811	3,645	12,759
Harmonic	812	11,478	3,202	11,423
Minimum	380	6,249	1,593	6,301

#	Kernel name
1.	Hydro fragment	1,907	21,506	7,463	21,363
2.	ICCG excerpt (Incomplete Cholesky Conjugate Gradient)	1,402	15,066	5,493	15,021
3.	Inner product	811	13,148	3,193	13,094
4.	Banded linear equations	860	12,464	3,383	12,509
5.	Tri-diagonal elimination, below diagonal	627	11,158	2,559	11,130
6.	General linear recurrence equations	721	9,039	2,826	8,907
7.	Equation of state fragment	2,707	31,057	10,457	31,056
8.	ADI integration	1,539	16,318	6,059	16,168
9.	Integrate predictors	2,231	23,123	8,618	23,052
10.	Difference predictors	502	6,895	1,963	6,880
11.	First sum	380	7,188	1,593	6,967
12.	First difference	597	7,228	2,339	7,082
13.	2-D PIC (Particle In Cell)	445	6,249	1,740	6,301
14.	1-D PIC (Particle In Cell)	578	7,413	2,229	7,353
15.	Casual Fortran. Development version	1,187	14,790	4,656	14,636
16.	Monte Carlo search loop	823	10,579	3,224	10,456
17.	Implicit, conditional computation	894	20,509	3,507	20,324
18.	2-D explicit hydrodynamics fragment	957	10,745	3,738	10,691
19.	General linear recurrence equations	511	10,650	2,030	10,600
20.	Discrete ordinates transport, conditional recurrence on xx	1,514	31,272	5,966	31,068
21.	Matrix*matrix product	709	7,765	2,790	7,900
22.	Planckian distribution	2,282	30,340	8,899	31,036
23.	2-D implicit hydrodynamics fragment	1,109	14,432	4,320	14,235
24.	Find location of first minimum in array	619	9,384	2,383	9,558

15,761

Optimized ratio x4.5

Optimized score

4,169 - Singlecore	57,700 MP ratio x13.8 Multicore
16,275 MP ratio x3.9 Quadcore	57,426 MP ratio x13.8 Workstation

Optimized	Single core	Multi core	Quad core	Workstation
Maximum	19,646	212,787	76,778	212,444
Average	5,595	69,578	21,799	69,409
Geometric (= official score)	4,169	57,700	16,275	57,426
Harmonic	3,231	48,558	12,664	48,190
Minimum	1,347	19,054	5,450	18,863

#	Kernel name
1.	Hydro fragment	14,240	152,380	55,649	152,507
2.	ICCG excerpt (Incomplete Cholesky Conjugate Gradient)	5,013	57,973	19,602	58,213
3.	Inner product	4,626	73,861	17,961	73,513
4.	Banded linear equations	4,470	57,463	17,478	57,046
5.	Tri-diagonal elimination, below diagonal	1,879	34,560	7,339	34,484
6.	General linear recurrence equations	2,310	39,765	8,990	39,582
7.	Equation of state fragment	19,646	212,787	76,778	212,444
8.	ADI integration	9,618	100,355	37,687	98,865
9.	Integrate predictors	9,535	102,286	36,900	102,382
10.	Difference predictors	4,494	48,694	17,514	48,671
11.	First sum	1,908	32,418	7,460	32,391
12.	First difference	5,513	68,890	20,774	67,490
13.	2-D PIC (Particle In Cell)	1,641	19,054	6,379	18,863
14.	1-D PIC (Particle In Cell)	2,482	32,607	9,632	32,541
15.	Casual Fortran. Development version	5,312	76,543	20,768	75,905
16.	Monte Carlo search loop	3,995	47,417	15,727	47,728
17.	Implicit, conditional computation	3,442	64,534	13,409	65,398
18.	2-D explicit hydrodynamics fragment	11,280	125,892	43,741	125,616
19.	General linear recurrence equations	1,402	30,910	5,526	30,848
20.	Discrete ordinates transport, conditional recurrence on xx	1,691	36,715	6,717	36,621
21.	Matrix*matrix product	11,775	126,529	45,867	129,555
22.	Planckian distribution	3,450	42,811	13,293	42,354
23.	2-D implicit hydrodynamics fragment	3,201	64,591	12,540	62,777
24.	Find location of first minimum in array	1,347	20,835	5,450	20,014