Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 209,541
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     210,970
Calibration 2     210,282
Calibration 3     210,084
ssj_ops@calibrated=210,183
100% 99.7% 210,183 209,541
90% 89.8% 189,164 188,685
80% 79.7% 168,146 167,590
70% 69.8% 147,128 146,785
60% 60.1% 126,110 126,264
50% 49.8% 105,091 104,603
40% 39.2% 84,073 82,381
30% 30.1% 63,055 63,335
20% 20.3% 42,037 42,571
10% 10.0% 21,018 20,991
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 15,347,265 1,494
Payment 15,347,264
Order Status 1,534,727
Delivery 1,534,727
Stock Level 1,534,727
Customer Report 15,347,262
Calibration 2 New Order 15,293,336 1,494
Payment 15,293,338
Order Status 1,529,333
Delivery 1,529,334
Stock Level 1,529,332
Customer Report 15,293,334
Calibration 3 New Order 15,279,251 1,494
Payment 15,279,251
Order Status 1,527,925
Delivery 1,527,926
Stock Level 1,527,928
Customer Report 15,279,252
100% 99.7% New Order 15,239,463 1,494
Payment 15,239,463
Order Status 1,523,946
Delivery 1,523,948
Stock Level 1,523,947
Customer Report 15,239,462
90% 89.8% New Order 13,724,089 1,494
Payment 13,724,085
Order Status 1,372,409
Delivery 1,372,409
Stock Level 1,372,409
Customer Report 13,724,083
80% 79.7% New Order 12,188,542 1,494
Payment 12,188,541
Order Status 1,218,853
Delivery 1,218,855
Stock Level 1,218,855
Customer Report 12,188,536
70% 69.8% New Order 10,675,961 1,494
Payment 10,675,964
Order Status 1,067,596
Delivery 1,067,596
Stock Level 1,067,597
Customer Report 10,675,965
60% 60.1% New Order 9,183,626 1,494
Payment 9,183,625
Order Status 918,363
Delivery 918,364
Stock Level 918,362
Customer Report 9,183,626
50% 49.8% New Order 7,607,879 1,494
Payment 7,607,881
Order Status 760,787
Delivery 760,789
Stock Level 760,786
Customer Report 7,607,878
40% 39.2% New Order 5,991,391 1,494
Payment 5,991,390
Order Status 599,138
Delivery 599,138
Stock Level 599,139
Customer Report 5,991,391
30% 30.1% New Order 4,606,604 1,494
Payment 4,606,605
Order Status 460,661
Delivery 460,660
Stock Level 460,660
Customer Report 4,606,605
20% 20.3% New Order 3,096,060 1,494
Payment 3,096,064
Order Status 309,606
Delivery 309,607
Stock Level 309,607
Customer Report 3,096,067
10% 10.0% New Order 1,526,664 1,494
Payment 1,526,664
Order Status 152,668
Delivery 152,668
Stock Level 152,668
Customer Report 1,526,668
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0