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Machine Learning Workload and GPGPU NUMA Node Locality

January 30, 2020
In the previous article "PCIe Device NUMA Node Locality" I covered the physical connection between the processor and the PCIe device briefly touched upon machi... Read More...
1143 views18 min read

PCIe Device NUMA Node Locality

January 10, 2020
During this Christmas break, I wanted to learn PowerCLI properly. As I'm researching the use-cases of new hardware types and workloads in the data center, I ma... Read More...
4842 views15 min read

AMD EPYC Naples vs Rome and vSphere CPU Scheduler Updates

October 14, 2019
Recently AMD announced the 2nd generation of the AMD EPYC CPU architecture, the EPYC 7002 series. Most refer to the new CPU architecture using its interna... Read More...
6671 views14 min read

60 Minutes of NUMA VMworld Session Commands

August 27, 2019
Verify Distribution of Memory Modules with PowerCLI Get-CimInstance -CimSession $Session CIM_PhysicalMemory | select BankLabel, Description, @{n=‘Capacity i... Read More...
1570 views1 min read

AMD EPYC and vSphere vNUMA

February 19, 2019
AMD is gaining popularity in the server market with the EPYC CPU platform. The EPYC CPU platform provides a high core count and a large memory capacity. If you... Read More...
6512 views21 min read
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What if the VM Memory Config Exceeds the Memory Capacity of the Physical NUMA Node?

October 5, 2017
This week I had the pleasure to talk to a customer about NUMA use-cases and a very interesting config came up. They have a VM with a particular memory configura... Read More...
3126 views3 min read
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A vSphere Focused Guide to the Intel Xeon Scalable Family – Memory Subsystem

October 3, 2017
The Intel Xeon Scalable Family introduces a new platform (Purley). The most prominent change regarding system design is the memory subsystem. More Memory Bandwi... Read More...
2484 views8 min read
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A vSphere Focused Guide to the Intel Xeon Scalable Family

September 26, 2017
Intel released the much-anticipated Skylake Server CPU this year. Moving away from the E5-2600-v moniker, Intel names the new iteration of its server CPU the In... Read More...
3801 views7 min read
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Impact of CPU Hot Add on NUMA scheduling

April 14, 2017
On a regular basis, I receive the question if CPU Hot-add impacts CPU performance of the VM. It depends on the vCPU configuration of the VM. CPU Hot-Add is not ... Read More...
16678 views8 min read
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NUMA Deep Dive Part 5: ESXi VMkernel NUMA Constructs

August 22, 2016
ESXi Server is optimized for NUMA systems and contains a NUMA scheduler and a CPU scheduler. When ESXi runs on a NUMA platform, the VMkernel activates the NUMA ... Read More...
24340 views26 min read
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About the Author

Frank Denneman is a Chief Technologist in the Office of CTO of the Cloud Platform BU at VMware. He is the author of multiple books including “vSphere 6.5 Host Technical Deep Dive” and the “vSphere Clustering Technical Deep Dive” series.

Upcoming Events

04-Feb-21 | Czech VMUG – Roadshow
17-Feb-21 | Germany VMUG – Roadshow
25-Feb-21 | Swiss VMUG – Roadshow
04-Mar-21 | Polish VMUG – Roadshow
09-Mar-21 | Austrian VMUG – Roadshow

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