SMT Proves Worthwhile Option For 128-Core AMD EPYC "Bergamo" CPUs

Written by Michael Larabel in Processors on 20 July 2023 at 10:57 AM EDT. Page 7 of 8. 22 Comments.

ASTC texture encoding performance was mixed based upon settings whether SMT paid off.

👁 Graph500 benchmark with settings of Scale: 26. EPYC 9754 2P: SMT Off was the fastest.

Graph500 was faster with SMT disabled.

👁 MariaDB benchmark with settings of Clients: 4096. EPYC 9754 1P: SMT Off was the fastest.

The MariaDB MySQL database server was slightly faster with SMT disabled.

👁 TensorFlow benchmark with settings of Device: CPU, Batch Size: 512, Model: AlexNet. EPYC 9754 2P: SMT Off was the fastest.

👁 TensorFlow benchmark with settings of Device: CPU, Batch Size: 256, Model: GoogLeNet. EPYC 9754 1P: SMT Off was the fastest.

👁 TensorFlow benchmark with settings of Device: CPU, Batch Size: 512, Model: GoogLeNet. EPYC 9754 2P: SMT Off was the fastest.

👁 TensorFlow benchmark with settings of Device: CPU, Batch Size: 512, Model: ResNet-50. EPYC 9754 2P: SMT Off was the fastest.

TensorFlow performance tended to be similar at 1P but when running in a dual socket configuration is where having SMT off tended to produce better results.

👁 Neural Magic DeepSparse benchmark with settings of Model: NLP Document Classification, oBERT base uncased on IMDB, Scenario: Asynchronous Multi-Stream. EPYC 9754 2P: SMT Off was the fastest.

👁 Neural Magic DeepSparse benchmark with settings of Model: NLP Sentiment Analysis, 80% Pruned Quantized BERT Base Uncased, Scenario: Asynchronous Multi-Stream. EPYC 9754 2P: SMT Off was the fastest.

👁 Neural Magic DeepSparse benchmark with settings of Model: CV Detection, YOLOv5s COCO, Scenario: Asynchronous Multi-Stream. EPYC 9754 2P: SMT Off was the fastest.

👁 Neural Magic DeepSparse benchmark with settings of Model: NLP Text Classification, DistilBERT mnli, Scenario: Asynchronous Multi-Stream. EPYC 9754 2P: SMT Off was the fastest.

👁 Neural Magic DeepSparse benchmark with settings of Model: NLP Token Classification, BERT base uncased conll2003, Scenario: Asynchronous Multi-Stream. EPYC 9754 2P: SMT Off was the fastest.

Neural Magic's DeepSparse software benefited from disabling SMT on the Bergamo server configurations tested.

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URL: https://www.phoronix.com/review/amd-epyc-9754-smt/7

⇱ SMT Proves Worthwhile Option For 128-Core AMD EPYC "Bergamo" CPUs Review - Phoronix

SMT Proves Worthwhile Option For 128-Core AMD EPYC "Bergamo" CPUs