SPECpower_ssj2008 Copyright (C) 2007-2025 Standard Performance Evaluation Corporation Kaytus Systems Pte. Ltd. KR2280V3 SPECpower_ssj2008 = 22,130 overall ssj_ops/watt Test Sponsor: Kaytus Systems Pte. Ltd. SPEC License #: 6865 Tested By: Kaytus Systems Pte. Ltd. Test Location: Gateway West, Singapore Test Date: Nov 17, 2025 Publication: Dec 16, 2025 Hardware Availability: Sep-2025 Software Availability: Sep-2025 Test Method: Single Node System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered Benchmark Results Summary Performance | Power | Performance | | to Power | | Ratio Target Load | Actual Load | ssj_ops | Average | | | | Active Power | | | | (W) | ------------- | ------------- | ------------- | ------------- | ------------- 100% | 100.0% | 30,861,331 | 1,200 | 25,728 90% | 91.7% | 28,295,610 | 1,070 | 26,454 80% | 80.3% | 24,765,846 | 945 | 26,203 70% | 69.6% | 21,481,901 | 839 | 25,593 60% | 59.9% | 18,471,686 | 763 | 24,196 50% | 50.0% | 15,438,214 | 686 | 22,513 40% | 40.1% | 12,380,204 | 597 | 20,727 30% | 30.0% | 9,255,021 | 505 | 18,320 20% | 20.0% | 6,168,160 | 425 | 14,510 10% | 10.0% | 3,091,054 | 360 | 8,578 Active Idle | 0 | 301 | 0 sum of ssj_ops / sum of power = | 22,130 System Under Test Set: 'sut' Set Identifier: sut Set Description: System Under Test # of Identical Nodes: 1 Comment: None. HARDWARE Hardware Vendor: Kaytus Systems Pte. Ltd. Model: KR2280V3 Form Factor: 2U CPU Name: Intel Xeon 6980P CPU Characteristics: 128-Core, 2.00GHz, Intel Turbo Boost Technology up to 3.90GHz, 504 MB L3 Cache CPU Frequency (MHz): 2000 CPU(s) Enabled: 256 cores, 2 chips, 128 cores/chip Hardware Threads: 512 (2 / core) CPU(s) Orderable: 1,2 chips Primary Cache: 64 KB I + 48 KB D on chip per core Secondary Cache: 2 MB I+D on chip per core Tertiary Cache: 504 MB I+D on chip per chip Other Cache: None Memory Amount (GB): 768 # and size of DIMM: 24 x 32 GB Memory Details: 24 x SA_32G_DDR5-6400ER_2R8_A20F, Kaytus P/N:0001120;slots CPU0_C0D0,CPU0_C1D0, CPU0_C2D0, CPU0_C3D0, CPU0_C4D0, CPU0_C5D0, CPU0_C6D0, CPU0_C7D0, CPU1_C0D0,CPU1_C1D0, CPU1_C2D0, CPU1_C3D0, CPU1_C4D0, CPU1_C5D0, CPU1_C6D0, CPU1_C7D0 populated Power Supply Quantity and Rating 1 x 1600 (W): Power Supply Details: 1 x 1600W LITEON_M_PS-2162-15L1_1600_P Disk Drive: 1 x 3.84 TB NVME Intel_P5510_SSDPF2KX038TZ Disk Controller: Integrated NVME controller # and type of Network Interface 1 x Dual-port Intel I350 Gigabit Ethernet Cards (NICs) Installed: controller NICs Enabled in Firmware / OS / 2/2/1 Connected: Network Speed (Mbit): 1000 Keyboard: None Mouse: None Monitor: None Optical Drives: No Other Hardware: None SOFTWARE Power Management: Enabled (see SUT Notes) Operating System (OS): Windows Server 2022 Datacenter OS Version: Version 21H2(OS Build 20348.1251) Filesystem: NTFS JVM Vendor: Oracle Corporation JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 25+37-LTS-3491, mixed mode, sharing) JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 JVM Affinity: start /NODE [0,2,6,8] /AFFINITY [0x3, 0xC, 0x30, 0xC0, 0x300, 0xC00, 0x3000, 0xC000, 0x30000, 0xC0000, 0x300000, 0xC00000, 0x3000000, 0xC000000, 0x30000000, 0xC0000000, 0x300000000, 0xC00000000, 0x3000000000, 0xC000000000, 0x30000000000, 0xC0000000000];/NODE [1,3,4,5,7,9,10,11] /AFFINITY [0x3, 0xC, 0x30, 0xC0, 0x300, 0xC00, 0x3000, 0xC000, 0x30000, 0xC0000, 0x300000, 0xC00000, 0x3000000, 0xC000000, 0x30000000, 0xC0000000, 0x300000000, 0xC00000000, 0x3000000000, 0xC000000000, 0x30000000000] JVM Instances: 256 JVM Initial Heap (MB): 2048 JVM Maximum Heap (MB): 2048 JVM Address Bits: 64 Boot Firmware Version: 03.07.01 Management Firmware Version: 4.33.02 Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: None Boot Firmware Settings * Hardware Prefetcher: Disabled. * Adjacent Cache Prefetch: Disabled * DCU Streamer Prefetcher: Enabled * Package C State: C6(non Retention) state. * Turbo Mode: Enabled. * Sub-NUMA Clustering: Enabled. * Virtual NUMA: Enable. * Energy Efficient Policy: Power. * CPU maximum frequency: 2.70Ghz. Management Firmware Settings none System Under Test Notes * Each JVM instance was affinitized to 2 logical processors * Set "Turn off hard disk after = 1 Minute" in OS. * Minimum Processor State:0%. * Maximum Processor State:100%. * Using the local security settings console, "lock pages in memory" was enabled for the user running the benchmark. * Benchmark was started via Windows Remote Desktop Connection. * SPECpower_ssj.props input.load_level.number_warehouses set to 512 due to a known inconsistency in processor reporting with this Java version. * The system ROM used for this result contains Intel microcode version 0x01000380 for the Intel Xeon 6980P processor. Controller System HARDWARE Hardware Vendor: Kaytus Systems Pte. Ltd. Model: Kaytus KR2280V2 CPU Description: Intel Xeon Silver 4514Y Memory amount (GB): 256 SOFTWARE Operating System (OS): Windows Server 2019 JVM Vendor: Oracle Corporation JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM (build 17.0.11+7-LTS-207,mixed mode) CCS Version: 1.2.6 Measurement Devices POWER ANALYZER PWR1 Hardware Vendor: Yokogawa Meters and Instruments Corporation Model: WT500 Serial Number: C2YA10071V Connectivity: RS-232 Input Connection: Default Metrology Institute: CNAS Accredited by: Calibration and Testing Center of CEPREI Calibration Label: J202505146784N-0008 Date of Calibration: 19-Jul-2025 PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS PTDaemon Version: 1.11.1-462c978e-20240907 Setup Description: Connected to PSU 0 TEMPERATURE SENSOR TEMP1 Hardware Vendor: Digi Model: Watchport/H Driver Version: 5.70.105.0 Connectivity: USB PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS Setup Description: placed in front the SUT less than 50mm. Notes None Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees C) ----------- | ---------- | ------------- 100% | 1,200 | 27.6 90% | 1,070 | 27.9 80% | 945 | 28.2 70% | 839 | 28.1 60% | 763 | 28.1 50% | 686 | 27.8 40% | 597 | 27.5 30% | 505 | 27.4 20% | 425 | 27.2 10% | 360 | 26.9 Active Idle | 301 | 26.7 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 230V / 50 Hz / 1 phase / | 26.7 | 15 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20251118-01546-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 30,960,701 Calibration 2 | | | 30,831,604 Calibration 3 | | | 30,872,152 ssj_ops@calibrated=30,851,878 100% | 100.0% | 30,851,878 | 30,861,331 90% | 91.7% | 27,766,690 | 28,295,610 80% | 80.3% | 24,681,503 | 24,765,846 70% | 69.6% | 21,596,315 | 21,481,901 60% | 59.9% | 18,511,127 | 18,471,686 50% | 50.0% | 15,425,939 | 15,438,214 40% | 40.1% | 12,340,751 | 12,380,204 30% | 30.0% | 9,255,563 | 9,255,021 20% | 20.0% | 6,170,376 | 6,168,160 10% | 10.0% | 3,085,188 | 3,091,054 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20251118-01546.WIN-Q3AQLKAF6EB.txt) for additional details. Copyright (C) 2007-2025 Standard Performance Evaluation Corporation http://www.spec.org - info@spec.org SPECpower_ssj2008 Reporter Version: [SSJ 1.2.10, May 9, 2012]