Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,933
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     205,455
Calibration 2     194,468
Calibration 3     193,117
ssj_ops@calibrated=193,792
100% 99.0% 193,792 191,933
90% 89.9% 174,413 174,313
80% 79.5% 155,034 154,008
70% 70.0% 135,655 135,595
60% 60.0% 116,275 116,253
50% 50.0% 96,896 96,897
40% 40.4% 77,517 78,341
30% 29.8% 58,138 57,698
20% 19.8% 38,758 38,341
10% 10.2% 19,379 19,698
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 14,946,027 1,494
Payment 14,946,027
Order Status 1,494,602
Delivery 1,494,602
Stock Level 1,494,603
Customer Report 14,946,021
Calibration 2 New Order 14,143,461 1,494
Payment 14,143,461
Order Status 1,414,345
Delivery 1,414,347
Stock Level 1,414,346
Customer Report 14,143,459
Calibration 3 New Order 14,047,851 1,494
Payment 14,047,854
Order Status 1,404,786
Delivery 1,404,785
Stock Level 1,404,785
Customer Report 14,047,852
100% 99.0% New Order 13,958,958 1,494
Payment 13,958,959
Order Status 1,395,896
Delivery 1,395,897
Stock Level 1,395,896
Customer Report 13,958,960
90% 89.9% New Order 12,677,865 1,494
Payment 12,677,864
Order Status 1,267,785
Delivery 1,267,786
Stock Level 1,267,787
Customer Report 12,677,864
80% 79.5% New Order 11,201,256 1,494
Payment 11,201,257
Order Status 1,120,126
Delivery 1,120,126
Stock Level 1,120,125
Customer Report 11,201,251
70% 70.0% New Order 9,861,951 1,494
Payment 9,861,947
Order Status 986,195
Delivery 986,195
Stock Level 986,194
Customer Report 9,861,947
60% 60.0% New Order 8,455,131 1,494
Payment 8,455,128
Order Status 845,513
Delivery 845,514
Stock Level 845,514
Customer Report 8,455,130
50% 50.0% New Order 7,047,269 1,494
Payment 7,047,274
Order Status 704,728
Delivery 704,727
Stock Level 704,728
Customer Report 7,047,271
40% 40.4% New Order 5,697,715 1,494
Payment 5,697,715
Order Status 569,771
Delivery 569,772
Stock Level 569,771
Customer Report 5,697,717
30% 29.8% New Order 4,196,736 1,494
Payment 4,196,740
Order Status 419,674
Delivery 419,674
Stock Level 419,675
Customer Report 4,196,737
20% 19.8% New Order 2,788,444 1,494
Payment 2,788,444
Order Status 278,844
Delivery 278,844
Stock Level 278,844
Customer Report 2,788,440
10% 10.2% New Order 1,432,600 1,494
Payment 1,432,601
Order Status 143,260
Delivery 143,261
Stock Level 143,261
Customer Report 1,432,606
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0