Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 200,672
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     208,725
Calibration 2     202,020
Calibration 3     200,753
ssj_ops@calibrated=201,386
100% 99.6% 201,386 200,672
90% 89.6% 181,248 180,368
80% 79.9% 161,109 160,884
70% 69.8% 140,970 140,613
60% 59.5% 120,832 119,755
50% 50.2% 100,693 101,151
40% 40.1% 80,555 80,755
30% 30.1% 60,416 60,684
20% 19.8% 40,277 39,817
10% 10.0% 20,139 20,126
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 15,183,757 1,494
Payment 15,183,756
Order Status 1,518,376
Delivery 1,518,375
Stock Level 1,518,375
Customer Report 15,183,756
Calibration 2 New Order 14,693,298 1,494
Payment 14,693,292
Order Status 1,469,330
Delivery 1,469,330
Stock Level 1,469,330
Customer Report 14,693,293
Calibration 3 New Order 14,601,434 1,494
Payment 14,601,430
Order Status 1,460,143
Delivery 1,460,144
Stock Level 1,460,142
Customer Report 14,601,432
100% 99.6% New Order 14,595,952 1,494
Payment 14,595,956
Order Status 1,459,597
Delivery 1,459,596
Stock Level 1,459,595
Customer Report 14,595,955
90% 89.6% New Order 13,118,067 1,494
Payment 13,118,068
Order Status 1,311,806
Delivery 1,311,807
Stock Level 1,311,807
Customer Report 13,118,068
80% 79.9% New Order 11,700,652 1,494
Payment 11,700,653
Order Status 1,170,066
Delivery 1,170,064
Stock Level 1,170,064
Customer Report 11,700,649
70% 69.8% New Order 10,226,609 1,494
Payment 10,226,609
Order Status 1,022,660
Delivery 1,022,660
Stock Level 1,022,661
Customer Report 10,226,607
60% 59.5% New Order 8,709,573 1,494
Payment 8,709,575
Order Status 870,958
Delivery 870,959
Stock Level 870,957
Customer Report 8,709,576
50% 50.2% New Order 7,356,600 1,494
Payment 7,356,597
Order Status 735,659
Delivery 735,661
Stock Level 735,662
Customer Report 7,356,600
40% 40.1% New Order 5,873,568 1,494
Payment 5,873,564
Order Status 587,356
Delivery 587,355
Stock Level 587,358
Customer Report 5,873,566
30% 30.1% New Order 4,413,403 1,494
Payment 4,413,402
Order Status 441,340
Delivery 441,340
Stock Level 441,342
Customer Report 4,413,402
20% 19.8% New Order 2,895,975 1,494
Payment 2,895,978
Order Status 289,598
Delivery 289,597
Stock Level 289,598
Customer Report 2,895,976
10% 10.0% New Order 1,463,749 1,494
Payment 1,463,751
Order Status 146,376
Delivery 146,375
Stock Level 146,375
Customer Report 1,463,755
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0