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gptkbp:instance_of
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gptkb:microprocessor
|
|
gptkbp:architecture
|
vector processing
|
|
gptkbp:availability
|
limited production
|
|
gptkbp:bus_connections
|
gptkb:Cray_Link
|
|
gptkbp:cache_size
|
L1 and L2 cache
|
|
gptkbp:connects
|
Cray Link interconnect
|
|
gptkbp:cooling_system
|
liquid cooling
|
|
gptkbp:data_bus_width
|
64 bits
|
|
gptkbp:design
|
modular design
|
|
gptkbp:development
|
developed in the USA
|
|
gptkbp:has_units
|
multiple
|
|
gptkbp:home_port
|
disk drives
tape drives
network interfaces
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Cray-4
|
|
gptkbp:input_output
|
high-speed channels
|
|
gptkbp:instruction_set
|
Cray instruction set
|
|
gptkbp:language_support
|
gptkb:C
gptkb:C++
gptkb:Fortran
|
|
gptkbp:legacy
|
influenced future supercomputers
|
|
gptkbp:manufacturer
|
gptkb:Cray_Research
|
|
gptkbp:market_segment
|
high-performance computing
|
|
gptkbp:notable_features
|
scalability
modular architecture
high reliability
advanced cooling technology
large memory capacity
high-speed vector processing
|
|
gptkbp:notable_users
|
gptkb:National_Security_Agency
gptkb:University_of_Illinois
gptkb:Lawrence_Livermore_National_Laboratory
gptkb:Los_Alamos_National_Laboratory
gptkb:NASA
|
|
gptkbp:operating_system
|
gptkb:UNIX
|
|
gptkbp:performance
|
1.2 GFLOPS
|
|
gptkbp:power_consumption
|
30 k W
|
|
gptkbp:predecessor
|
gptkb:Cray-3
|
|
gptkbp:price
|
several million dollars
|
|
gptkbp:processor
|
gptkb:4
|
|
gptkbp:ram
|
512 MB
|
|
gptkbp:release_year
|
gptkb:1992
|
|
gptkbp:storage
|
gptkb:cassette
gptkb:cloud_storage
|
|
gptkbp:successor
|
gptkb:Cray_T3_E
gptkb:Cray-5
|
|
gptkbp:used_in
|
gptkb:scientific_research
|
|
gptkbp:weight
|
approximately 5,000 pounds
|
|
gptkbp:bfsParent
|
gptkb:Cray-2
|
|
gptkbp:bfsLayer
|
6
|