SPECpower_ssj2008
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| ESLIMKOREA ES2404-EW | SPECpower_ssj2008 = 7,123 overall ssj_ops/watt | ||||
| Test Sponsor: | Telecommunications Technology Association | SPEC License #: | 83 | Test Method: | Single Node |
| Tested By: | Telecommunications Technology Association | Test Location: | TTA, Seongnam-city, Korea | Test Date: | Nov 27, 2025 |
| Hardware Availability: | Jul-2025 | Software Availability: | Sep-2025 | Publication: | Dec 18, 2025 |
| System Source: | Single Supplier | System Designation: | Server | Power Provisioning: | Line-powered |
| Performance | Power | Performance to Power Ratio | ||
|---|---|---|---|---|
| Target Load | Actual Load | ssj_ops | Average Active Power (W) | |
| 100% | 100.0% | 4,406,166 | 454 | 9,712 |
| 90% | 89.9% | 3,960,675 | 417 | 9,505 |
| 80% | 80.0% | 3,522,097 | 370 | 9,527 |
| 70% | 70.0% | 3,082,185 | 333 | 9,255 |
| 60% | 59.9% | 2,639,782 | 310 | 8,503 |
| 50% | 50.0% | 2,203,156 | 289 | 7,627 |
| 40% | 40.0% | 1,763,901 | 274 | 6,442 |
| 30% | 30.0% | 1,323,175 | 261 | 5,077 |
| 20% | 20.0% | 880,841 | 247 | 3,569 |
| 10% | 10.0% | 441,748 | 230 | 1,923 |
| Active Idle | 0 | 218 | 0 | |
| ∑ssj_ops / ∑power = | 7,123 | |||
| Set Identifier: | sut |
| Set Description: | System Under Test |
| # of Identical Nodes: | 1 |
| Comment: | SUT |
| Hardware | |
|---|---|
| Hardware Vendor: | ESLIMKOREA |
| Model: | ES2404-EW |
| Form Factor: | 4U |
| CPU Name: | Intel Xeon Gold 5520+ |
| CPU Characteristics: | 28 Core, 2.20 GHz, 52.5 MB L3 Cache (Turbo Boost Technology up to 4.00 GHz) |
| CPU Frequency (MHz): | 2300 |
| CPU(s) Enabled: | 56 cores, 2 chips, 28 cores/chip |
| Hardware Threads: | 112 (2 / core) |
| CPU(s) Orderable: | 2 chips |
| Primary Cache: | 32 KB I + 48 KB D on chip per core |
| Secondary Cache: | 2 MB I+D on chip per core |
| Tertiary Cache: | 53760 KB I+D on chip per chip |
| Other Cache: | None |
| Memory Amount (GB): | 512 |
| # and size of DIMM: | 8 x 64 GB |
| Memory Details: | 8 x 64GB(M393A8G40MB2-CVF, 2Rx4 PC4-23466U-R; slots DIMM_P0_A0, DIMM_P0_B0, DIMM_P0_D0, DIMM_P0_E0, DIMM_P1_G0, DIMM_P1_H0, DIMM_P1_J0, DIMM_P1_K0 are populated) |
| Power Supply Quantity and Rating (W): | 2 x 1200 |
| Power Supply Details: | Delta DPS-1200AB-4 E Rev.S0F |
| Disk Drive: | 1 x 480 GB SATA SSD (P/N: INTEL SSDSC2KB480G8) |
| Disk Controller: | None |
| # and type of Network Interface Cards (NICs) Installed: | 2 x Intel Corporation I210 Gigabit Network Connection (Onboard) |
| NICs Enabled in Firmware / OS / Connected: | 1/1/1 |
| Network Speed (Mbit): | 10000 |
| Keyboard: | None |
| Mouse: | None |
| Monitor: | None |
| Optical Drives: | No |
| Other Hardware: | None |
| Software | |
|---|---|
| Power Management: | Enabled |
| Operating System (OS): | Red Hat Enterprise Linux 9.5 |
| OS Version: | 5.14.0-503.11.1.el9_5.x86_64 |
| Filesystem: | xfs |
| JVM Vendor: | Oracle |
| JVM Version: | java version "25" 2025-09-16 LTS; Java(TM) SE Runtime Environment (build 25+37-LTS-3491); Java HotSpot(TM) 64-Bit Server VM (build 25+37-LTS-3491, mixed mode, sharing) |
| JVM Command-line Options: | -server -Xms2g -Xmx2g -Xmn1g -XX:+UseParallelGC -XX:ParallelGCThreads=28 |
| JVM Affinity: | numactl --physcpubind=[0-64] --localalloc |
| JVM Instances: | 112 |
| JVM Initial Heap (MB): | 256 |
| JVM Maximum Heap (MB): | 2048 |
| JVM Address Bits: | 64 |
| Boot Firmware Version: | American Megatrends Inc. KM-H620-103B-SA2 (Release Date: 02/21/2019; BIOS Revision: 5.12) |
| Management Firmware Version: | Firmware Revision 2.00 (IPMI Version 2.0) |
| Workload Version: | SSJ 1.2.10 |
| Director Location: | Controller |
| Other Software: | None |
| Hardware | |
|---|---|
| Hardware Vendor: | Nettars tech |
| Model: | NM-R221-K800 |
| CPU Description: | Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz |
| Memory amount (GB): | 256 |
| Software | |
|---|---|
| Operating System (OS): | Red Hat Enterprise Linux Server release 7.8 (Maipo) |
| JVM Vendor: | Oracle Corporation |
| JVM Version: | 25.252-b09 |
| CCS Version: | 1.2.6 |
| Power Analyzer pwr1 | |
|---|---|
| Hardware Vendor: | YOKOGAWA |
| Model: | WT310E |
| Serial Number: | T12811450 |
| Connectivity: | USB |
| Input Connection: | Default |
| Metrology Institute: | Standard Calibration Technology Institute Co., LTD |
| Accredited by: | KOLAS (Korea Laboratory Accreditation Scheme) |
| Calibration Label: | SC2508-25011-1 |
| Date of Calibration: | 12-Aug-2025 |
| PTDaemon Host System: | same as CCS |
| PTDaemon Host OS: | same as CCS |
| PTDaemon Version: | 1.11.1-69286632-20240907 |
| Setup Description: | Connected to PSU 1 |
| Temperature Sensor temp1 | |
|---|---|
| Hardware Vendor: | iButtonLink |
| Model: | LinkUSBi + T-Probe |
| Driver Version: | FTDI USB Serial Device 1.0 |
| Connectivity: | USB(UART) |
| PTDaemon Host System: | same as CCS |
| PTDaemon Host OS: | same as CCS |
| Setup Description: | 50 mm in front of SUT main intake |
| Target Load | Average Active Power (W) | Minimum Ambient Temperature (°C) |
|---|---|---|
| 100% | 454 | 22.5 |
| 90% | 417 | 22.6 |
| 80% | 370 | 22.3 |
| 70% | 333 | 22.2 |
| 60% | 310 | 22.2 |
| 50% | 289 | 22.3 |
| 40% | 274 | 22.6 |
| 30% | 261 | 22.5 |
| 20% | 247 | 22.6 |
| 10% | 230 | 22.5 |
| Active Idle | 218 | 22.7 |
| Line Standard | Minimum Temperature (°C) | Elevation (m) |
|---|---|---|
| 220V / 60 Hz / 2 phase / 1 wire | 22.2 | 57 |
| Target Load | Actual Load | ssj_ops | |
|---|---|---|---|
| Target | Actual | ||
| Calibration 1 | 4,417,949 | ||
| Calibration 2 | 4,404,675 | ||
| Calibration 3 | 4,404,573 | ||
| ssj_ops@calibrated=4,404,624 | |||
| 100% | 100.0% | 4,404,624 | 4,406,166 |
| 90% | 89.9% | 3,964,162 | 3,960,675 |
| 80% | 80.0% | 3,523,699 | 3,522,097 |
| 70% | 70.0% | 3,083,237 | 3,082,185 |
| 60% | 59.9% | 2,642,774 | 2,639,782 |
| 50% | 50.0% | 2,202,312 | 2,203,156 |
| 40% | 40.0% | 1,761,850 | 1,763,901 |
| 30% | 30.0% | 1,321,387 | 1,323,175 |
| 20% | 20.0% | 880,925 | 880,841 |
| 10% | 10.0% | 440,462 | 441,748 |
| Active Idle | 0 | 0 | |
