Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,854
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     197,959
Calibration 2     196,326
Calibration 3     195,679
ssj_ops@calibrated=196,002
100% 99.9% 196,002 195,854
90% 89.0% 176,402 174,382
80% 80.0% 156,802 156,787
70% 69.9% 137,202 136,930
60% 59.7% 117,601 116,960
50% 50.4% 98,001 98,743
40% 40.1% 78,401 78,586
30% 30.0% 58,801 58,839
20% 19.9% 39,200 39,020
10% 10.0% 19,600 19,537
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,402,112 1,494
Payment 14,402,112
Order Status 1,440,211
Delivery 1,440,210
Stock Level 1,440,210
Customer Report 14,402,114
Calibration 2 New Order 14,278,833 1,494
Payment 14,278,831
Order Status 1,427,883
Delivery 1,427,882
Stock Level 1,427,884
Customer Report 14,278,824
Calibration 3 New Order 14,232,157 1,494
Payment 14,232,152
Order Status 1,423,216
Delivery 1,423,216
Stock Level 1,423,215
Customer Report 14,232,158
100% 99.9% New Order 14,244,753 1,494
Payment 14,244,747
Order Status 1,424,475
Delivery 1,424,475
Stock Level 1,424,475
Customer Report 14,244,752
90% 89.0% New Order 12,682,326 1,494
Payment 12,682,331
Order Status 1,268,233
Delivery 1,268,232
Stock Level 1,268,232
Customer Report 12,682,329
80% 80.0% New Order 11,402,821 1,494
Payment 11,402,821
Order Status 1,140,283
Delivery 1,140,281
Stock Level 1,140,281
Customer Report 11,402,816
70% 69.9% New Order 9,959,504 1,494
Payment 9,959,510
Order Status 995,950
Delivery 995,950
Stock Level 995,949
Customer Report 9,959,506
60% 59.7% New Order 8,506,336 1,494
Payment 8,506,329
Order Status 850,633
Delivery 850,633
Stock Level 850,633
Customer Report 8,506,325
50% 50.4% New Order 7,181,901 1,494
Payment 7,181,903
Order Status 718,190
Delivery 718,191
Stock Level 718,191
Customer Report 7,181,902
40% 40.1% New Order 5,715,567 1,494
Payment 5,715,564
Order Status 571,557
Delivery 571,556
Stock Level 571,558
Customer Report 5,715,563
30% 30.0% New Order 4,279,404 1,494
Payment 4,279,408
Order Status 427,939
Delivery 427,940
Stock Level 427,941
Customer Report 4,279,406
20% 19.9% New Order 2,837,855 1,494
Payment 2,837,856
Order Status 283,786
Delivery 283,785
Stock Level 283,786
Customer Report 2,837,862
10% 10.0% New Order 1,420,975 1,494
Payment 1,420,972
Order Status 142,097
Delivery 142,097
Stock Level 142,096
Customer Report 1,420,972
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0