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HOLY $H!T - The FASTEST CPU on the Planet - AMD EPYC 9654

Linus Tech Tips@LinusTechTips3.6M viewsDec 14, 202219:45
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Thanks to Supermicro for sponsoring this video!

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Check out Supermicro's H13 System Portfolio, powered by AMD EPYC 9004 Series Processors, at geni.us Fun Fact: In a 2-socket server, you need 4 threads pegged at 100% to get 1% CPU utilization. AMD's new SP5 socket, and HUGE new Epyc Genoa CPUs are crazy! Using Supermicro's servers, we set a bunch of World Records on a bunch of benchmarks. Intel is gonna be sweating, unless their upcoming Sapphire Rapids platform can magically compete. Intel's Raptor Lake CPUs might win against Ryzen in the mainstream, it's a whole different story in the datacenter. Discuss on the forum: linustechtips.com Purchases made through some store links may provide some compensation to Linus Media Group. ► GET MERCH: lttstore.com ► SUPPORT US ON FLOATPLANE: floatplane.com ► AFFILIATES, SPONSORS & REFERRALS: lmg.gg ► PODCAST GEAR: lmg.gg FOLLOW US --------------------------------------------------- Twitter: twitter.com Facebook: @LinusTech Instagram: @linustech TikTok: @linustech Twitch: twitch.tv MUSIC CREDIT --------------------------------------------------- Intro: Laszlo - Supernova Video Link: youtube.com iTunes Download Link: itunes.apple.com Artist Link: soundcloud.com Outro: Approaching Nirvana - Sugar High Video Link: youtube.com Listen on Spotify: spoti.fi Artist Link: youtube.com Intro animation by MBarek Abdelwassaa @mbarek_abdel Monitor And Keyboard by vadimmihalkevich / CC BY 4.0 geni.us Mechanical RGB Keyboard by BigBrotherECE / CC BY 4.0 geni.us Mouse Gamer free Model By Oscar Creativo / CC BY 4.0 geni.us CHAPTERS --------------------------------------------------- 0:00 Intro 1:03 Socket SP5 Features 4:07 DDR5 ECC 5:26 Expandability 8:32 Power 9:24 Let's Fire This Thing Up 10:14 Hyper vs Cloud Servers 11:21 Put a 4090 "In" it 11:39 More Cores, More Problems 13:12 Epyc vs Cinebench 15:17 ycruncher 17:00 Phoronix Tests 19:33 Outro

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HOLY $H!T - The FASTEST CPU on the Planet - AMD EPYC 9654 is a deep dive into the capabilities of AMD’s EPYC Genoa family, focusing on the SP5 socket and the extraordinary core counts. The video begins by highlighting the scale of the new Genoa CPUs, emphasizing the 96 cores per socket, 12-channel DDR5 memory, and 128 PCIe Gen5 lanes. The host then explains the SP5 socket design, the large lands on the motherboard, and the importance of proper torque to ensure solid contact across thousands of pins. The narrative moves into memory configurations, ECC implementations, and the differences between consumer DDR5 ECC and server-grade ECC modules, underscoring reliability and data integrity in mission-critical servers. The discussion expands to expandability and connectivity options with Supermicro CloudDC and Hyper servers, including dual sockets and up to 192 cores, 12 TB of memory, and 160 Gen5 PCIe lanes, which set the stage for impressive benchmarks and world records. The video then transitions to practical testing, showcasing the boot process, initial performance metrics, and the challenges of running two sockets with high core counts in real-world software stacks. In benchmarking segments, Cinebench is used to measure multi-threaded performance across both CPUs, followed by y-cruncher for Pi calculations and Phoronix tests, illustrating the raw speed, cache size, and scalability of the platform. Finally, the host demonstrates real-world performance at scale, including OpenBenchmarking comparisons, game frame tests, and password-cracking tasks, underscoring the EPYC Genoa’s position as a datacenter powerhouse while acknowledging platform-specific optimization requirements for software and BIOS configurations. The video concludes with reflections on the platform’s capabilities, compliments for Supermicro hardware, and a call to explore EPYC Genoa further through affiliated links and related content about AMD’s server ecosystem.

Topics · technology · servers · hardware · computing · datacenter · benchmarking · cpu · amd

Questions answered

What makes the AMD EPYC Genoa SP5 socket unique for high-end servers?
The SP5 socket supports up to 96 cores per CPU, 12-channel DDR5 memory, 128 PCIe Gen5 lanes, and requires a robust land pad with a multi-screw retention system to ensure proper contact across thousands of pins.
How does PCIe Gen5 connectivity benefit server configurations in this video?
Gen5 provides very high bandwidth, enabling wide interconnects, multiple GPUs, and large numbers of NVMe devices; the showcased modules allow numerous PCIe lanes to be utilized for high-throughput workloads.
What benchmarks were used to assess performance in this video?
Cinebench for multicore CPU performance, y-cruncher for Pi calculation, and Phoronix Test Suite along with OpenBenchmarking tests for broader real-world workload assessment.
What does the video suggest about software optimization for Genoa platforms?
Software and libraries must be optimized to exploit the large NUMA domains, CCD/socket-to-socket communication, and abundant PCIe bandwidth; BIOS and platform-specific tuning is important for achieving peak performance.