SPECjbb2015
Copyright © 2015-2025 Standard Performance Evaluation Corporation
Cisco Systems Cisco UCS C245 M8 520898 SPECjbb2015-Composite max-jOPS
514517 SPECjbb2015-Composite critical-jOPS
Tested by: Cisco Systems Test Sponsor: Cisco Systems Test location: San Jose, CA Test date: August 3, 2025
SPEC license #: 9019 Hardware Availability: Jun-2024 Software Availability: Apr-2024 Publication: Thu Sep 4 11:45:56 EDT 2025
Benchmark Results Summary
 
SPECjbb2015-Composite: Single JVM/Single Host
(# of groups: 3)
Overall Throughput RT curve
Overall Throughput RT curve
Overall SUT (System Under Test) Description
VendorCisco Systems
Vendor URLhttp://www.cisco.com
System SourceSingle Supplier
System DesignationServer Rack
Total Systems1
All SUT Systems IdenticalYES
Total Nodes1
All Nodes IdenticalYES
Nodes Per System1
Total Chips2
Total Cores128
Total Threads256
Total Memory Amount (GB)1536
Total OS Images1
SW EnvironmentNon-virtual
  
SUT Description
Hardware hw_1
NameCisco UCS C245 M8
VendorCisco Systems
Vendor URLhttp://www.cisco.com/
AvailableDec-2024
ModelCisco UCS C245 M8
Form Factor2U
CPU NameAMD EPYC 9555
CPU Characteristics64 core, 3.2 GHz, 256 MB L3 Cache (Max Boost Clock up to 4.40 GHz)
Number of Systems1
Nodes Per System1
Chips Per System2
Cores Per System128
Cores Per Chip64
Threads Per System256
Threads Per Core2
VersionC245M8.4.3.5c.0.1202241033
CPU Frequency (MHz)3200
Primary Cache32KB(I)+48KB(D) per core
Secondary Cache1MB (I+D) per core
Tertiary Cache256MB (I+D) on chip per chip
Other CacheNone
Disk1 x 960GB SATA SSD
File SystemXFS
Memory Amount (GB)1536
# and size of DIMM(s)24 x 64 GB
Memory Details64GB 2 Rank DDR5 RDIMM 6400 MT/s, running at 6000 MT/s
# and type of Network Interface Cards (NICs)2 x 40/100/200-Gbps NIC
Power Supply Quantity and Rating (W)2 x 2300W
Other HardwareNone
Cabinet/Housing/EnclosureNone
Shared DescriptionNone
Shared CommentNone
Notes
  • NA: The test sponsor attests, as of date of publication, that CVE-2017-5754 (Meltdown) is mitigated in the system as tested and documented.
  • Yes: The test sponsor attests, as of date of publication, that CVE-2017-5753 (Spectre variant 1) is mitigated in the system as tested and documented.
  • Yes: The test sponsor attests, as of date of publication, that CVE-2017-5715 (Spectre variant 2) is mitigated in the system as tested and documented.
Other Hardware network_1
NameNone
VendorNone
Vendor URLNone
VersionNone
AvailableNone
BitnessNone
NotesNone
Operating System os_1
NameSUSE Linux Enterprise Server 15 SP6
VendorSUSE
Vendor URLhttp://suse.com/
VersionLinux 6.4.0-150600.21-default
AvailableJune-2024
Bitness64
NotesNone
Java Virtual Machine jvm_1
NameOracle Java SE 24.0.2
VendorOracle Corporation
Vendor URLhttp://oracle.com/
VersionJava HotSpot 64-Bit Server VM, version 24.0.2
AvailableJuly-2025
Bitness64
NotesNone
Other Software other_1
NameNone
VendorNone
Vendor URLNone
VersionNone
AvailableNone
BitnessNone
NotesNone
Topology
SUT config_1 Configuration
Hardware
OS Images os_Image_1(1)
Hardware Description hw_1
Number of Systems 1
SW Environment non-virtual
Tuning
    BIOS Settings
  • L1 Stream HW Prefetcher : Disabled
  • L2 Stream HW Prefetcher : Disabled
  • NUMA Nodes Per Socket : NPS2
  • xGMI Link Configuration : 4 xGMI Links
  • 4 Link xGMI max speed : 32Gbps
  • TDP Control : Manual
  • Determinism Slider : Power
  • Determinism Control : Manual
  • TDP : 400
Notes None
OS Image os_Image_1
JVM Instances jvm_Composite_1(1)
OS Image Description os_1
Tuning
  • echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
  • echo 900000 > /proc/sys/kernel/sched_latency_ns
  • echo 40000 > /proc/sys/kernel/sched_migration_cost_ns
  • echo 400000 > /proc/sys/kernel/sched_min_granularity_ns
  • echo 400000 > /proc/sys/kernel/sched_wakeup_granularity_ns
  • echo 128 > /proc/sys/kernel/sched_nr_migrate
  • echo 10000 > /proc/sys/vm/dirty_expire_centisecs
  • echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
  • echo 40 > /proc/sys/vm/dirty_ratio
  • echo 10 > /proc/sys/vm/dirty_background_ratio
  • echo 10 > /proc/sys/vm/swappiness
  • echo 1 > /proc/sys/kernel/numa_balancing
  • echo always > /sys/kernel/mm/transparent_hugepage/enabled
  • echo always > /sys/kernel/mm/transparent_hugepage/defrag
Notes None
JVM Instance jvm_Composite_1
Parts of Benchmark Composite
JVM Instance Description jvm_1
Command Line -Xms1420g -Xmx1420g -Xmn1390g -server -XX:+UseParallelGC -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:MaxTenuringThreshold=5 -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=256 -XX:SurvivorRatio=120 -XX:TargetSurvivorRatio=95 -XX:+UseNUMA -XX:-UseAdaptiveNUMAChunkSizing -XX:+UseTransparentHugePages -XX:InlineSmallCode=11k -XX:TLABAllocationWeight=2 -XX:ThreadStackSize=140 -XX:AutoBoxCacheMax=32 -XX:OnStackReplacePercentage=100
Tuning
    Used numactl to run on all available nodes
  • numactl --cpunodebind=0-3 --interleave=0-3
Notes None
max-jOPS and critical-jOPS Details
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Pass Fail Fail
jOPS 508194 514546 520898 527251 533603
critical-jOPS = Geomean ( jOPS @ 10000; 25000; 50000; 75000; 100000; SLAs )
Response time percentile is 99-th
SLA (us) 10000 25000 50000 75000 100000 Geomean
jOPS 495660 514704 520898 520898 520898 514517
Last Success jOPS/First Failure jOPS for SLA points
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 330326 / 95286 6352 / 12705 - / 6352 - / 6352 - / 6352 - / 6352
1000us 495489 / 501841 393850 / 127048 12705 / 19057 12705 / 19057 12705 / 19057 - / 6352
5000us 520898 / - 520898 / - 508194 / 514546 470079 / 343031 254097 / 228687 76229 / 44467
10000us 520898 / - 520898 / - 520898 / - 520898 / - 501841 / 273154 127048 / 44467
25000us 520898 / - 520898 / - 520898 / - 520898 / - 520898 / 273154 241392 / 44467
50000us 520898 / - 520898 / - 520898 / - 520898 / - 520898 / - 311269 / 133401
75000us 520898 / - 520898 / - 520898 / - 520898 / - 520898 / - 343031 / 235040
100000us 520898 / - 520898 / - 520898 / - 520898 / - 520898 / - 431965 / 273154
200000us 520898 / - 520898 / - 520898 / - 520898 / - 520898 / - 476431 / 273154
500000us 520898 / - 520898 / - 520898 / - 520898 / - 520898 / - 508194 / 273154
1000000us 520898 / - 520898 / - 520898 / - 520898 / - 520898 / - 508194 / 273154
Number of probes
Probes jOPS / Total jOPS
Request Mix Accuracy
Request Mix Accuracy
Note
(Actual % in the Mix - Expected % in the Mix) must be within:
'Main Tx' limit of +/-5.0% for the requests whose expected % in the mix is >= 10.0%
'Minor Tx' limit of +/-1.0% for the requests whose expected % in the mix is < 10.0%
Rate of Non-Critical Failures
There were no non-critical failures in Response Time curve building
Delay between performance status pings during RT Curve (Response-Throughput Curve)
Delay between status pings
IR/PR Accuracy
IR/PR Accuracy
Run Properties
This section lists properties only set by user
Property Name Default Controller
specjbb.controller.maxir.maxFailedPoints 3 1
specjbb.controller.rtcurve.warmup.step 0.1 0.2
specjbb.customerDriver.threads 64 {probe=72, saturate=128}
specjbb.forkjoin.workers 256 {Tier1=90, Tier2=1, Tier3=12}
specjbb.group.count 1 3
specjbb.heartbeat.period 10000 50000
specjbb.heartbeat.threshold 100000 500000
View table in csv format
Validation Details
Validation Reports
 
Level: COMPLIANCE
Check Agent Result
Check properties on compliance All PASSED
 
Level: CORRECTNESS
Check Agent Result
Compare SM and HQ Inventory All PASSED
Other Checks
High-bound (max attempted) is 635242 IR
High-bound (settled) is 558038 IR
Copyright © 2015-2025 Standard Performance Evaluation Corporation
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SPECjbb2015 Version: [SPECjbb2015 1.04, Feb 16, 2024]