SPECpower_ssj2008 Copyright (C) 2007-2025 Standard Performance Evaluation Corporation Fsas Technologies Inc. PRIMERGY RX2540 M8 SPECpower_ssj2008 = 23,290 overall ssj_ops/watt Test Sponsor: Fujitsu SPEC License #: 19 Tested By: Fsas Technologies Inc. Test Location: Kawasaki, Kanagawa, Japan Test Date: Sep 21, 2025 Publication: Oct 21, 2025 Hardware Availability: Oct-2025 Software Availability: Jun-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% | 24,196,615 | 929 | 26,048 90% | 90.0% | 21,779,183 | 844 | 25,791 80% | 80.0% | 19,368,131 | 703 | 27,569 70% | 70.0% | 16,940,566 | 607 | 27,929 60% | 60.0% | 14,510,345 | 532 | 27,253 50% | 50.0% | 12,094,792 | 475 | 25,461 40% | 40.0% | 9,672,391 | 418 | 23,135 30% | 30.0% | 7,262,668 | 373 | 19,475 20% | 20.0% | 4,845,304 | 328 | 14,752 10% | 10.0% | 2,417,475 | 278 | 8,683 Active Idle | 0 | 227 | 0 sum of ssj_ops / sum of power = | 23,290 System Under Test Set: 'RX2540M8' Set Identifier: RX2540M8 Set Description: System Under Test # of Identical Nodes: 1 Comment: Single Node HARDWARE Hardware Vendor: Fsas Technologies Inc. Model: PRIMERGY RX2540 M8 Form Factor: 2U CPU Name: Intel Xeon 6787P CPU Characteristics: 86-Core, 2.00 GHz, 336 MB L3 Cache CPU Frequency (MHz): 2000 CPU(s) Enabled: 172 cores, 2 chips, 86 cores/chip Hardware Threads: 344 (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: 336 MB I+D on chip per chip Other Cache: None Memory Amount (GB): 512 # and size of DIMM: 16 x 32768 MB Memory Details: 16 x 32 GB 2Rx8 PC5-6400B-R; slots 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H, 1J, 1K, 1L, 1M, 1N, 1P, 1Q, 1R populated Power Supply Quantity and Rating 1 x 1600 (W): Power Supply Details: 1600W titanium PSU, PY-PU165 Disk Drive: 1 x SSD PCIe M.2 480GB PY-MF48PN Disk Controller: Integrated NVMe Controller # and type of Network Interface 1 x 1 Gbit/s (RJ45) Intel i210 on Cards (NICs) Installed: Motherboard NICs Enabled in Firmware / OS / 1/1/1 Connected: Network Speed (Mbit): 1000 Keyboard: None Mouse: None Monitor: None Optical Drives: No Other Hardware: M.2 Carrier Module SOFTWARE Power Management: Enabled(see SUT Notes) Operating System (OS): SUSE Linux Enterprise Server 15 SP7 OS Version: 6.4.0-150700.51-default Filesystem: xfs JVM Vendor: Oracle Corporation JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.12+8-LTS-286, mixed mode, sharing) JVM Command-line Options: -server -Xmn1825m -Xms1995m -Xmx1995m -XX:LargePageSizeInBytes=2m -XX:+UseLargePages -XX:AllocatePrefetchDistance=512 -XX:AllocatePrefetchLines=4 -XX:InlineSmallCode=3900 -XX:FreqInlineSize=2500 -XX:UseAVX=1 -XX:+AggressiveHeap -XX:ParallelGCThreads=2 -XX:+UseParallelGC -XX:+UseBiasedLocking -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:CompileThresholdScaling=220 -XX:MaxInlineSize=270 JVM Affinity: for each physicalCore{numactl -C physicalCore, physicalCore + 172} JVM Instances: 172 JVM Initial Heap (MB): 1995 JVM Maximum Heap (MB): 1995 JVM Address Bits: 64 Boot Firmware Version: R1.1.0 Management Firmware Version: 3.03S Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: None Boot Firmware Settings Set the following options in BIOS. * "Hardware Prefetcher = Disabled" * "Adjacent Cache Line Prefetch = Disabled" * "DCU Streamer Prefetcher = Disabled" * "APS rocketing = Enabled" * "AVX ICCP pre-grant level = 128 Heavy" * "Latency Optimized Mode = Enabled" * "Energy Performance = Balanced Energy" * "CPU C6 Report = C6-P as ACPI C2" * "Package C State limit = No limit" * "UPI Link Frequency Select = 16.0GT/s" * "UPI Prefetch = Disabled" * "XPT Prefetch = Disabled" * "RdCur for Prefetch = Auto" * "Uncore Frequency Control IO = Min Proportional Throttling" * "Slot X Link Speed = Gen1" * "SNC(Sub NUMA) = Enabled" * "Virtual NUMA = Enabled" * "DDR5 ECS = Disabled" Management Firmware Settings Set the following options in Firmware. * "Power Control Mode = Power Limit" * "Power Limit = 1100 Watt" System Under Test Notes * Benchmark started via ssh * SPECpower_ssj.props input.load_level.number_warehouses set to 344. * OS tunes: * kernel parameter:pcie_aspm pcue_aspm.policy=powersupersave intel_pstate=disable * modprobe cpufreq_conservative * cpupower frequency-set -g conservative * echo 99 > /sys/devices/system/cpu/cpufreq/conservative/up_threshold * echo 98 > /sys/devices/system/cpu/cpufreq/conservative/down_threshold * echo 1 > /sys/devices/system/cpu/cpufreq/conservative/freq_step * echo always > /sys/kernel/mm/transparent_hugepage/enabled * echo 0 > /proc/sys/kernel/nmi_watchdog * echo 6000 > /proc/sys/kernel/sched_migration_cost_ns * echo -n 1000000 > /sys/devices/system/cpu/cpufreq/conservative/sampling_rate * echo teo > /sys/devices/system/cpu/cpuidle/current_governor * The system ROM used for this result contains Intel microcode version 0x10003C2 for the Intel Xeon Platinum 6787P processor. Controller System HARDWARE Hardware Vendor: Fsas Technologies Inc. Model: PRIMERGY RX2530 M2 CPU Description: 2 x Intel Xeon E5-2643 v4 Memory amount (GB): 256 SOFTWARE Operating System (OS): Microsoft Windows Server 2019 Standard JVM Vendor: Oracle Corporation JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM (build 25.211-b12, mixed mode), version 1.8.0_211 CCS Version: 1.2.6 Measurement Devices POWER ANALYZER PWR1 Hardware Vendor: Hioki Model: PW3336 Serial Number: 170134584 Connectivity: RS-232 Input Connection: Default Metrology Institute: AIST (National Institute of Advanced Science and Technology) Accredited by: Kyosai Technos Co.,Ltd. Calibration Label: CY253000033 Date of Calibration: 04-Mar-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 1 TEMPERATURE SENSOR TEMP1 Hardware Vendor: Digi International Inc. Model: Watchport/H Driver Version: Watchport Virtual Port 5.70.105.0 Connectivity: USB PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS Setup Description: 5 mm in front of SUT main air intake Notes None Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees C) ----------- | ---------- | ------------- 100% | 929 | 20.5 90% | 844 | 20.5 80% | 703 | 20.5 70% | 607 | 20.4 60% | 532 | 20.4 50% | 475 | 20.4 40% | 418 | 20.4 30% | 373 | 20.4 20% | 328 | 20.4 10% | 278 | 20.4 Active Idle | 227 | 20.4 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 200V / 50 Hz / 1 phase / | 20.4 | 15 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20250922-01541-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 21,343,214 Calibration 2 | | | 24,160,711 Calibration 3 | | | 24,239,751 ssj_ops@calibrated=24,200,231 100% | 100.0% | 24,200,231 | 24,196,615 90% | 90.0% | 21,780,208 | 21,779,183 80% | 80.0% | 19,360,185 | 19,368,131 70% | 70.0% | 16,940,162 | 16,940,566 60% | 60.0% | 14,520,139 | 14,510,345 50% | 50.0% | 12,100,116 | 12,094,792 40% | 40.0% | 9,680,092 | 9,672,391 30% | 30.0% | 7,260,069 | 7,262,668 20% | 20.0% | 4,840,046 | 4,845,304 10% | 10.0% | 2,420,023 | 2,417,475 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20250922-01541.localhost.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]