Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,286
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     209,216
Calibration 2     199,200
Calibration 3     197,975
ssj_ops@calibrated=198,587
100% 99.3% 198,587 197,286
90% 89.8% 178,729 178,289
80% 79.6% 158,870 158,031
70% 69.7% 139,011 138,349
60% 60.5% 119,152 120,107
50% 50.5% 99,294 100,348
40% 40.5% 79,435 80,414
30% 30.3% 59,576 60,122
20% 20.0% 39,717 39,732
10% 10.0% 19,859 19,889
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 15,218,331 1,494
Payment 15,218,326
Order Status 1,521,833
Delivery 1,521,832
Stock Level 1,521,832
Customer Report 15,218,333
Calibration 2 New Order 14,489,036 1,494
Payment 14,489,038
Order Status 1,448,902
Delivery 1,448,905
Stock Level 1,448,905
Customer Report 14,489,037
Calibration 3 New Order 14,399,382 1,494
Payment 14,399,376
Order Status 1,439,938
Delivery 1,439,938
Stock Level 1,439,937
Customer Report 14,399,381
100% 99.3% New Order 14,348,130 1,494
Payment 14,348,132
Order Status 1,434,814
Delivery 1,434,814
Stock Level 1,434,814
Customer Report 14,348,132
90% 89.8% New Order 12,966,505 1,494
Payment 12,966,502
Order Status 1,296,652
Delivery 1,296,649
Stock Level 1,296,652
Customer Report 12,966,508
80% 79.6% New Order 11,493,624 1,494
Payment 11,493,627
Order Status 1,149,362
Delivery 1,149,361
Stock Level 1,149,362
Customer Report 11,493,622
70% 69.7% New Order 10,062,119 1,494
Payment 10,062,116
Order Status 1,006,211
Delivery 1,006,212
Stock Level 1,006,212
Customer Report 10,062,115
60% 60.5% New Order 8,735,678 1,494
Payment 8,735,673
Order Status 873,566
Delivery 873,568
Stock Level 873,567
Customer Report 8,735,678
50% 50.5% New Order 7,298,036 1,494
Payment 7,298,037
Order Status 729,803
Delivery 729,804
Stock Level 729,803
Customer Report 7,298,035
40% 40.5% New Order 5,848,326 1,494
Payment 5,848,321
Order Status 584,832
Delivery 584,832
Stock Level 584,832
Customer Report 5,848,326
30% 30.3% New Order 4,373,052 1,494
Payment 4,373,052
Order Status 437,304
Delivery 437,305
Stock Level 437,305
Customer Report 4,373,052
20% 20.0% New Order 2,889,757 1,494
Payment 2,889,757
Order Status 288,975
Delivery 288,976
Stock Level 288,977
Customer Report 2,889,762
10% 10.0% New Order 1,446,510 1,494
Payment 1,446,513
Order Status 144,652
Delivery 144,652
Stock Level 144,651
Customer Report 1,446,512
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0