Editing nervana/nnp/nnp-t 1400

{{nervana title|NNP-T 1400}}
{{chip
|name=NNP-T 1400
|image=spring crest package (front).png
|back image=spring crest package (back).png
|caption=NPU with 4 HBM2 stacks
|designer=Intel
|manufacturer=TSMC
|model number=NNP-T 1400
|market=Server
|first announced=November 12, 2019
|first launched=November 12, 2019
|family=NNP
|series=NNP-T
|frequency=1,100 MHz
|microarch=Spring Crest
|process=16 nm
|transistors=27,000,000,000
|technology=CMOS
|die area=680 mm²
|core count=24
|max memory=32 GiB
|smp interconnect=InterChip Link
|smp interconnect links=16
|smp interconnect rate=28 GT/s
|power=175 W
|tdp=375 W
|package name 1=intel,fcbga_3325
}}
'''NNP-T 1400''' is a [[training]] [[neural processor]] designed by [[Intel Nervana]] and introduced in late 2019. Fabricated on TSMC [[16 nm process]] based on the {{nervana|Spring Crest|l=arch}} microarchitecture, the NNP-T 1400 has the full 24 {{nervana|Spring Crest#Tensor Processing Cluster (TPC)|TPCs|l=arch}} enabled along with 60 MiB of scratchpad memory and operates at up to 1.1 GHz. This chip comes in an [[OPC OAM|OAM]] [[accelerator card]] form factor and incorporates 32 GiB of [[HBM2]] memory. This NPU exposes 16 {{nervana|Spring Crest#InterChip Link (ICL)|inter-chip links|l=arch}} for scale-out capabilities.
[[File:spring crest mezzanine card (front).png|thumb|right|NNP-T 1400 [[OCP OAM|Mezzanine Card]].]]

== Peak Performance ==
The NNP-T 1400 has a peak performance of [[peak flops (half-precision)::108 TFLOPS]] ([[bfloat16]]).

== Cache ==
{{main|nervana/microarchitectures/spring_crest#Memory_Hierarchy|l1=Spring Crest § Cache}}
* 60 MiB of tightly-coupled scratchpad memory
** 24 x 2.5 MiB/core

== Memory controller ==
{{memory controller
|type=HBM2-2400
|ecc=Yes
|max mem=32 GiB
|controllers=4
|channels=32
|max bandwidth=1.2288 TB/s
}}

== Interconnect Topology ==
The NNP-T 1400 comes in an [[OCP OAM]] mezzanine card  which enables support for various topologies including [[ring topology|ring]], [[hybrid cube mesh]], and [[fully connected]].

== Die ==
{{main|nervana/microarchitectures/spring_crest#Die|l1=Spring Crest § Die}}
* 27,000,000,000 transistors
* 680 mm² die size


:[[File:spring crest floorplan.png|400px|link=nervana/microarchitectures/spring_crest#Die]]

== Product Brief ==
* [[:File:16433-1 NNP-announce NNP-T brief v4.3.pdf|Intel NNP-T Product Brief]]
back image	+
base frequency	1,100 MHz (1.1 GHz, 1,100,000 kHz) +
core count	24 +
designer	Intel +
die area	680 mm² (1.054 in², 6.8 cm², 680,000,000 µm²) +
family	NNP +
first announced	November 12, 2019 +
first launched	November 12, 2019 +
full page name	nervana/nnp/nnp-t 1400 +
has ecc memory support	true +
instance of	microprocessor +
ldate	November 12, 2019 +
main image	+
main image caption	NPU with 4 HBM2 stacks +
manufacturer	TSMC +
market segment	Server +
max memory	32,768 MiB (33,554,432 KiB, 34,359,738,368 B, 32 GiB, 0.0313 TiB) +
max memory bandwidth	1,144.409 GiB/s (1,171,875 MiB/s, 1,228.8 GB/s, 1,228,800 MB/s, 1.118 TiB/s, 1.229 TB/s) +
max memory channels	32 +
microarchitecture	Spring Crest +
model number	NNP-T 1400 +
name	NNP-T 1400 +
package	FCBGA-3325 +
peak flops (half-precision)	108,000,000,000,000 FLOPS (108,000,000,000 KFLOPS, 108,000,000 MFLOPS, 108,000 GFLOPS, 108 TFLOPS, 0.108 PFLOPS, 1.08e-4 EFLOPS, 1.08e-7 ZFLOPS) +
power dissipation	175 W (175,000 mW, 0.235 hp, 0.175 kW) +
process	16 nm (0.016 μm, 1.6e-5 mm) +
series	NNP-T +
smp interconnect	InterChip Link +
smp interconnect links	16 +
smp interconnect rate	28 GT/s +
supported memory type	HBM2-2400 +
tdp	375 W (375,000 mW, 0.503 hp, 0.375 kW) +
technology	CMOS +
transistor count	27,000,000,000 +