Revision as of 23:27, 9 March 2019

Ice Lake (ICL) Server Configuration is Intel's successor to Cascade Lake, a 10 nm microarchitecture for enthusiasts and servers.

Codenames

Process Technology

See also: Ice Lake (client) § Process Technology

Ice Lake will use a second-generation enhanced 10 nm process called "10 nm+". Versus the first generation 10nm which was used for Cannon Lake, 10nm+ will feature higher performance through higher drive current for the same power envelope.

Compiler support

Support for Ice Lake was added in LLVM Clang 6.0 and GCC 8.0.

CPUID

Architecture

Key changes from Cascade Lake

Preliminary Data! Information presented in this article deal with future products, data, features, and specifications that have yet to be finalized, announced, or released. Information may be incomplete and can change by final release.

• Enhanced "10nm+" (from 14 nm)
• I/O
  • PCIe 4.0 (from PCIe 3.0)
• Memory
  • Higher bandwidth (190.7 GiB/s, up from 143.1 GiB/s)
  • Octa-channel (up from hexa-channel)
  • 3200 MT/s (up from 2933 MT/s)
• Platform
  • Purley → Whitley
• Packaging
  • 4198-contact flip-chip LGA (up from 3647 contacts)

New instructions

Ice Lake introduced a number of new instructions:

• CLWB - Force cache line write-back without flush
• RDPID - Read Processor ID
• Additional AVX-512 extensions:
  • AVX512VPOPCNTDQ - AVX-512 Vector Population Count Doubleword and Quadword
  • AVX512VNNI - AVX-512 Vector Neural Network Instructions
  • AVX512GFNI - AVX-512 Galois Field New Instructions
  • AVX512VAES - AVX-512 Vector AES
  • AVX512VBMI2 - AVX-512 Vector Bit Manipulation, Version 2
  • AVX512BITALG - AVX-512 Bit Algorithms
  • AVX512VPCLMULQDQ - AVX-512 Vector Vector Carry-less Multiply
• TME - Total Memory Encryption
• ENCLV - SGX oversubscription instructions
• Fast Short REP MOV
• Split Lock Detection

All Ice Lake Chips

Preliminary Data! Information presented in this article deal with future products, data, features, and specifications that have yet to be finalized, announced, or released. Information may be incomplete and can change by final release.