Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,651
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     204,790
Calibration 2     193,705
Calibration 3     192,395
ssj_ops@calibrated=193,050
100% 99.8% 193,050 192,651
90% 90.1% 173,745 173,920
80% 79.9% 154,440 154,248
70% 69.9% 135,135 134,855
60% 59.8% 115,830 115,386
50% 50.0% 96,525 96,578
40% 39.8% 77,220 76,835
30% 30.0% 57,915 57,983
20% 19.8% 38,610 38,196
10% 9.9% 19,305 19,192
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, 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:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,895,036 1,494
Payment 14,895,038
Order Status 1,489,503
Delivery 1,489,504
Stock Level 1,489,504
Customer Report 14,895,043
Calibration 2 New Order 14,088,979 1,494
Payment 14,088,976
Order Status 1,408,898
Delivery 1,408,899
Stock Level 1,408,898
Customer Report 14,088,973
Calibration 3 New Order 13,992,503 1,494
Payment 13,992,507
Order Status 1,399,250
Delivery 1,399,251
Stock Level 1,399,251
Customer Report 13,992,502
100% 99.8% New Order 14,012,421 1,494
Payment 14,012,418
Order Status 1,401,242
Delivery 1,401,242
Stock Level 1,401,243
Customer Report 14,012,419
90% 90.1% New Order 12,648,867 1,494
Payment 12,648,864
Order Status 1,264,886
Delivery 1,264,886
Stock Level 1,264,887
Customer Report 12,648,865
80% 79.9% New Order 11,218,800 1,494
Payment 11,218,796
Order Status 1,121,879
Delivery 1,121,879
Stock Level 1,121,879
Customer Report 11,218,796
70% 69.9% New Order 9,807,675 1,494
Payment 9,807,665
Order Status 980,767
Delivery 980,768
Stock Level 980,768
Customer Report 9,807,673
60% 59.8% New Order 8,392,098 1,494
Payment 8,392,098
Order Status 839,209
Delivery 839,210
Stock Level 839,208
Customer Report 8,392,101
50% 50.0% New Order 7,024,344 1,494
Payment 7,024,345
Order Status 702,433
Delivery 702,433
Stock Level 702,433
Customer Report 7,024,349
40% 39.8% New Order 5,588,017 1,494
Payment 5,588,020
Order Status 558,803
Delivery 558,803
Stock Level 558,800
Customer Report 5,588,024
30% 30.0% New Order 4,217,228 1,494
Payment 4,217,225
Order Status 421,722
Delivery 421,723
Stock Level 421,723
Customer Report 4,217,225
20% 19.8% New Order 2,778,049 1,494
Payment 2,778,043
Order Status 277,804
Delivery 277,804
Stock Level 277,805
Customer Report 2,778,041
10% 9.9% New Order 1,395,801 1,494
Payment 1,395,807
Order Status 139,580
Delivery 139,580
Stock Level 139,581
Customer Report 1,395,808
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0