Editing intel/microarchitectures/comet lake

{{intel title|Comet Lake|arch}}
{{microarchitecture
|atype=CPU
|name=Comet Lake
|designer=Intel
|manufacturer=Intel
|process=14 nm
|cores=4
|type=Superscalar
|type 2=Superpipeline
|oooe=Yes
|speculative=Yes
|renaming=Yes
|stages min=14
|stages max=19
|decode=5-way
|isa=x86-64
|extension=MOVBE
|extension 2=MMX
|extension 3=SSE
|extension 4=SSE2
|extension 5=SSE3
|extension 6=SSSE3
|extension 7=SSE4.1
|extension 8=SSE4.2
|extension 9=POPCNT
|extension 10=AVX
|extension 11=AVX2
|extension 12=AES
|extension 13=PCLMUL
|extension 14=FSGSBASE
|extension 15=RDRND
|extension 16=FMA3
|extension 17=F16C
|extension 18=BMI
|extension 19=BMI2
|extension 20=VT-x
|extension 21=VT-d
|extension 22=TXT
|extension 23=TSX
|extension 24=RDSEED
|extension 25=ADCX
|extension 26=PREFETCHW
|extension 27=CLFLUSHOPT
|extension 28=XSAVE
|extension 29=SGX
|extension 30=MPX
|l1i=32 KiB
|l1i per=core
|l1i desc=8-way set associative
|l1d=32 KiB
|l1d per=core
|l1d desc=8-way set associative
|l2=256 KiB
|l2 per=core
|l2 desc=4-way set associative
|l3=2 MiB
|l3 per=core
|l3 desc=Up to 16-way set associative
|l4=128 MiB
|l4 per=package
|l4 desc=on Iris Pro GPUs only
|core name=Comet Lake U
|core name 2=Comet Lake S
|predecessor=Coffee Lake
|predecessor link=intel/microarchitectures/coffee lake
|predecessor 2=Whiskey Lake
|predecessor 2 link=intel/microarchitectures/whiskey lake
|successor=Ice Lake
|successor link=intel/microarchitectures/ice lake (client)
}}
'''Comet Lake''' ('''CML''') is a planned [[microarchitecture]] designed by [[Intel]] as a successor to {{\\|Coffee Lake}} and {{\\|Whiskey Lake}} for desktops, high-performance mobile devices, and ultra-low power mobile devices.


== Codenames ==
{| class="wikitable"
|-
! Core !! Abbrev !! Description !! Graphics !! Target
|-
| {{intel|Comet Lake S|l=core}} || CML-S || Mainstream performance || GT2 || Desktop performance to value, AiOs, and minis
|-
| {{intel|Comet Lake U|l=core}} || CML-U || Ultra-low power|| GT2 || Light notebooks, portable All-in-Ones (AiOs), Minis, and conference room
|}

== Brands ==
Intel is expected to release Comet Lake under 3 main brand families:

{| class="wikitable tc4 tc5 tc6 tc7 tc8" style="text-align: center;"
|-
! rowspan="2" | Logo !! rowspan="2" | Family !! rowspan="2" | General Description !! colspan="6" | Differentiating Features
|-
! Cores !! {{intel|Hyper-Threading|HT}} !! {{x86|AVX}} !! {{x86|AVX2}} !! {{intel|Turbo Boost|TBT}} !! [[ECC]]
|-
| [[File:core i3 logo (2015).png|50px|link=intel/core_i3]] || {{intel|Core i3}} || Low-end Performance ||  || 
|-
| [[File:core i5 logo (2015).png|50px|link=intel/core_i5]] || {{intel|Core i5}} || Mid-range Performance ||  || 
|-
| [[File:core i7 logo (2015).png|50px|link=intel/core_i7]] || {{intel|Core i7}} || High-end Performance ||  || 
|}

== Release Dates ==
Comet Lake is expected to be released in mid-2019.

== Compatibility==
{{empty section}}

== Compiler support ==
{| class="wikitable"
|-
! Compiler !! Arch-Specific || Arch-Favorable
|-
| [[ICC]] || <code>-march=skylake</code> || <code>-mtune=skylake</code>
|-
| [[GCC]] || <code>-march=skylake</code> || <code>-mtune=skylake</code>
|-
| [[LLVM]] || <code>-march=skylake</code> || <code>-mtune=skylake</code>
|-
| [[Visual Studio]] || <code>/arch:AVX2</code> || <code>/tune:skylake</code>
|}

=== CPUID ===
{{empty section}}

== Architecture ==
=== Key changes from {{\\|Coffee Lake}}===
New vulnerabilities
codename	Comet Lake +
core count	4 +
designer	Intel +
full page name	intel/microarchitectures/comet lake +
instance of	microarchitecture +
instruction set architecture	x86-64 +
manufacturer	Intel +
microarchitecture type	CPU +
name	Comet Lake +
pipeline stages (max)	19 +
pipeline stages (min)	14 +
process	14 nm (0.014 μm, 1.4e-5 mm) +