SPECpower_ssj2008 Copyright (C) 2007-2025 Standard Performance Evaluation Corporation New H3C Technologies Co., Ltd. H3C UniServer R4900 G7 SPECpower_ssj2008 = 25,526 overall ssj_ops/watt Test Sponsor: New H3C Technologies Co., Ltd. SPEC License #: 9066 Tested By: New H3C Technologies Co., Ltd. Test Location: Hangzhou, Zhejiang, China Test Date: Aug 6, 2025 Publication: Aug 26, 2025 Hardware Availability: Jul-2025 Software Availability: Jul-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% | 99.4% | 18,690,560 | 669 | 27,934 90% | 90.0% | 16,908,851 | 570 | 29,685 80% | 79.9% | 15,026,161 | 492 | 30,527 70% | 69.9% | 13,144,839 | 422 | 31,146 60% | 59.9% | 11,261,120 | 370 | 30,417 50% | 49.9% | 9,378,244 | 331 | 28,309 40% | 40.0% | 7,523,184 | 296 | 25,413 30% | 30.0% | 5,642,366 | 268 | 21,090 20% | 20.0% | 3,761,608 | 243 | 15,500 10% | 10.0% | 1,879,607 | 214 | 8,771 Active Idle | 0 | 169 | 0 sum of ssj_ops / sum of power = | 25,526 System Under Test Set: 'sut' Set Identifier: sut Set Description: System Under Test # of Identical Nodes: 1 Comment: SUT HARDWARE Hardware Vendor: New H3C Technologies Co., Ltd. Model: H3C UniServer R4900 G7 Form Factor: 2U CPU Name: Intel Xeon 6780E 2.2 GHz CPU Characteristics: 144 core, 2.2GHz, 108MB L3 Cache CPU Frequency (MHz): 2200 CPU(s) Enabled: 288 cores, 2 chips, 144 cores/chip Hardware Threads: 288 (1 / core) CPU(s) Orderable: 1,2 chips Primary Cache: 64 KB I + 32 KB D on chip per core Secondary Cache: 4 MB I+D on chip per chip Tertiary Cache: 108 MB I+D on chip per chip Other Cache: None Memory Amount (GB): 512 # and size of DIMM: 16 x 32 GB Memory Details: 32GB 2Rx8 PC5-6400; cpu1-slots 1-D0, 2-D0, 3-D0, 4-D0, 5-D0, 6-D0, 7-D0, 8-D0; cpu2-slots 1-D0, 2-D0, 3-D0, 4-D0, 5-D0, 6-D0, 7-D0, 8-D0; Power Supply Quantity and Rating 1 x 1600 (W): Power Supply Details: GW-CRPS1600C2; H3C PN:0231AMKU Disk Drive: 1 x 960G Micron_7450_MTFDKBA960TFR_NVME; PN:MTFDKBA960TFR-1BC1ZABYY Disk Controller: Integrated NVME controller # and type of Network Interface 1 x Quad-port Intel I350 Gigabit Ethernet Cards (NICs) Installed: controller NICs Enabled in Firmware / OS / 4/1/1 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): SUSE Linux Enterprise Server 15 SP6 OS Version: 6.4.0-150600.21-default Filesystem: xfs JVM Vendor: Oracle Corporation JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM (build 17.0.15+9-LTS-241), mixed mode, sharing) JVM Command-line Options: -server -Xmn1825m -Xms1995m -Xmx1995m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:InlineSmallCode=1500 -XX:UseAVX=0 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500 JVM Affinity: for each physicalCore { numactl -C physicalCoreId, physicalCoreId + 1 } JVM Instances: 144 JVM Initial Heap (MB): 1995 JVM Maximum Heap (MB): 1995 JVM Address Bits: 64 Boot Firmware Version: 7.00.16 Management Firmware Version: 2.06 Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: None Boot Firmware Settings * Hardware Prefetcher = Disabled * Adjacent Cache Line Prefetch = Disabled * DCU Streamer Prefetcher = Disabled * Monitor MWAIT = Enabled * ACPI C1 Enumeration = Enabled * ACPI C6x Enumeration = C6S-P as ACPI C3 * Package C State = C6(Retetion state) * Patrol Scrubbing = Disabled * UPI Link Frequency Select = 16GT/s * Link L0p Enable = Enable * Link L1 Enable = Enable * Power Performance Tuning = BIOS Controls EPB * Energy_PERF_BIAS_CFG mode = Power * Set CPU maximum frequency to 2700Mhz * Set IO Uncore maximum frequency to 400Mhz * Host Memory Frequency = 6000 Management Firmware Settings See SUT Notes System Under Test Notes * Benchmark started via ssh. * Each JVM instance was bound to 2 processors. * OS Tunings: * kernal parameter:pcie_aspm=force pcie_aspm.policy=powersupersave intel_pstate=disable. * cpupower frequency-set -g ondemand * echo -n 98 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold * echo -n 1000000 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate * 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 10000000 > /proc/sys/kernel/sched_min_granularity_ns * echo 0 * The system ROM used for this result contains Intel microcode version 0x3000341 for the Intel Xeon 6780E processor. Controller System HARDWARE Hardware Vendor: New H3C Technologies Co., Ltd. Model: H3C UniServer R4900 G5 CPU Description: Intel(R) Xeon(R) Silver 4314 Memory amount (GB): 512 SOFTWARE Operating System (OS): Microsoft Windows Server 2019 DataCenter - version(10.0.17763 N/A Build 17763) JVM Vendor: Oracle Corporation JVM Version: Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.18+9-LTS-195, mixed mode) CCS Version: 1.2.6 Measurement Devices POWER ANALYZER PWR1 Hardware Vendor: CHROMA Model: 66203 Serial Number: 662030000500 Connectivity: GPIB Input Connection: Default Metrology Institute: CNAS (China National Accreditation Service for Conformity Assessment) Accredited by: CEPREI Calibration and Testing Center Calibration Label: B210202003 Date of Calibration: 09-Nov-2024 PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS PTDaemon Version: 1.11.1-462c978e-20240907 Setup Description: Connected to PSU1 TEMPERATURE SENSOR TEMP1 Hardware Vendor: DIGI. Model: Watchport/H Driver Version: 6.2.1.0 Connectivity: USB PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS Setup Description: Placed in front the main airflow inlet of the SUT less than 50mm Notes None Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees C) ----------- | ---------- | ------------- 100% | 669 | 24.5 90% | 570 | 24.1 80% | 492 | 24.0 70% | 422 | 24.4 60% | 370 | 24.2 50% | 331 | 24.0 40% | 296 | 24.0 30% | 268 | 24.4 20% | 243 | 24.6 10% | 214 | 24.0 Active Idle | 169 | 23.9 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 230V / 50 Hz / 1 phase / | 23.9 | 132 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20250811-01533-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 18,943,013 Calibration 2 | | | 18,798,909 Calibration 3 | | | 18,796,007 ssj_ops@calibrated=18,797,458 100% | 99.4% | 18,797,458 | 18,690,560 90% | 90.0% | 16,917,712 | 16,908,851 80% | 79.9% | 15,037,966 | 15,026,161 70% | 69.9% | 13,158,220 | 13,144,839 60% | 59.9% | 11,278,475 | 11,261,120 50% | 49.9% | 9,398,729 | 9,378,244 40% | 40.0% | 7,518,983 | 7,523,184 30% | 30.0% | 5,639,237 | 5,642,366 20% | 20.0% | 3,759,492 | 3,761,608 10% | 10.0% | 1,879,746 | 1,879,607 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20250811-01533.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]