RE: DPDK release candidate 25.07-rc3

["Varghese, Vipin" <Vipin.Varghese@amd.com>]

[AMD Official Use Only - AMD Internal Distribution Only]

Hi Thomas,

Please find the AMD EPYC testing results for both rc-1 and rc-2 shared below

RC-1:

- tuning guide: https://doc.dpdk.org/guides/linux_gsg/amd_platform.html
- OS: Ubuntu 24.04.2, 6.8.0
- Grub: default_hugepagesz=1GB isolcpus=7-63,71-127 processor.max_cstate=0 nohz_full=7-63,71-127 rcu_nocbs=7-63,71-127 amd_iommu=on hugepagesz=1GB hugepages=12 irqaffinity=0-6,64-70
- Processor: AMD EPYC 9334 32-Core Processor, 2.7GHz (boost off)
- Memory: 4800MT/s,  4 DIMM
- Compiler: gcc 14.2
- NIC: CQDA2 Intel E810, firimware: 3.20, DDP: comms 1.3.53
- Application: testpmd, ICE_16B_DESC, AVX512 SIMD Bit Width
- Scenarios: io, mac-swp, 5tswp
- TX-RX descriptor: 2048
- packet size 64B

Diff: MPPs 25.07-rc1 vs 25.03 for burst size 32, 64, 128, 256, 512
++++++++++++++++++++++++++++++++++++++++++++++++++
 - IO: -0.23, -1.02, -2.81, -3.44, -2.11
 - MAC-SWP: -5.08, -2.6, -3.28, -2.07, -2
 - 5tswap: -2.39, -1.73, -1.95, -1.9, -1.9

RC-2:

- tuning guide: https://doc.dpdk.org/guides/linux_gsg/amd_platform.html
- OS: Ubuntu 24.04.2, 6.8.0
- Grub: default_hugepagesz=1GB isolcpus=7-63,71-127 processor.max_cstate=0 nohz_full=7-63,71-127 rcu_nocbs=7-63,71-127 amd_iommu=on hugepagesz=1GB hugepages=12 irqaffinity=0-6,64-70

- Processor: boost off
Turin: AMD EPYC 9755 128-Core Processor, 2.7 GHz(Boost off)
Genoa: AMD EPYC 9654 96-Core Processor, 2.4 GHz(Boost off
Siena: AMD EPYC 8534P 64-Core Processor,2.3 GHz(Boost off)
Milan: AMD EPYC 7713 64-Core Processor,2.0 GHz(Boost off)

- Memory:
Turin: 6400 MT/s
Genoa: 4800 MT/s
Siena: 4800 MT/s
Milan: 3200 MT/s

- Compiler: gcc 14.2
- NIC: CQDA2 Intel E810, firimware: 3.20, DDP: comms 1.3.53
- Application: testpmd, ICE_16B_DESC, AVX512 SIMD Bit Width
- Scenarios: io, mac-swp, 5tswp
- TX-RX descriptor: 2048
- packet size 64B

Diff: MPPs 25.07-rc2 vs 25.03 for burst 64
++++++++++++++++++++++++++++++++
Category: Turin: Siena: Genoa: Milan
 - TestPMD IO: 0.5%, -3.6%, 3.7%, -4.9%
 - L3FWD: 0.0%, -7.4%, -4.8%, -4.3%


Crypto+HMAC Perf:
++++++++++++++++

i. AES-CBC-128/SHA1-HMAC (Gbps) 
ii.AES-CBC-128/SHA2-256-HMAC (Gbps) 
iii.AES-GCM-128
iv.AES-CTR-Ciphering-Authentication
v.AES-CTR-Authentication-Ciphering
vi.AES-CTR-Ciphering-Encryption
vii.AES-CTR-Ciphering-Decryption

Variation in Cycles/Buffer:
-----------------------------------

GenoaAlgorithm, Buffer Size , cycles/buf variation for 32 burst for 1C1T, 1C2T, 8C16T
AES-128-CBC-SHA1, 256B, less than -1.5%
AES-128-CBC-SHA1, 512B, less than -1.1%
AES-128-CBC-SHA1, 1024B, less than -1.5%

Turin Algorithm, Buffer Size , cycles/buf variation for 32 burst for 1C1T, 1C2T, 8C16T
AES-128-CBC-SHA1, 512B, less than -2%
AES-128-CBC-SHA1, 512B, less than -2%
AES-128-CBC-SHA1, 1024B, less than -2%