Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 199,013
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     201,991
Calibration 2     199,606
Calibration 3     198,975
ssj_ops@calibrated=199,290
100% 99.9% 199,290 199,013
90% 90.2% 179,361 179,748
80% 79.5% 159,432 158,364
70% 69.8% 139,503 139,093
60% 59.9% 119,574 119,307
50% 50.0% 99,645 99,606
40% 40.2% 79,716 80,033
30% 29.8% 59,787 59,410
20% 20.0% 39,858 39,850
10% 9.8% 19,929 19,593
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 14,694,435 1,494
Payment 14,694,440
Order Status 1,469,443
Delivery 1,469,444
Stock Level 1,469,444
Customer Report 14,694,440
Calibration 2 New Order 14,517,084 1,494
Payment 14,517,080
Order Status 1,451,708
Delivery 1,451,708
Stock Level 1,451,708
Customer Report 14,517,083
Calibration 3 New Order 14,471,330 1,494
Payment 14,471,329
Order Status 1,447,133
Delivery 1,447,132
Stock Level 1,447,132
Customer Report 14,471,328
100% 99.9% New Order 14,475,464 1,494
Payment 14,475,462
Order Status 1,447,545
Delivery 1,447,545
Stock Level 1,447,547
Customer Report 14,475,462
90% 90.2% New Order 13,073,652 1,494
Payment 13,073,645
Order Status 1,307,365
Delivery 1,307,364
Stock Level 1,307,365
Customer Report 13,073,647
80% 79.5% New Order 11,517,540 1,494
Payment 11,517,541
Order Status 1,151,754
Delivery 1,151,754
Stock Level 1,151,752
Customer Report 11,517,537
70% 69.8% New Order 10,116,583 1,494
Payment 10,116,590
Order Status 1,011,659
Delivery 1,011,659
Stock Level 1,011,659
Customer Report 10,116,589
60% 59.9% New Order 8,677,036 1,494
Payment 8,677,037
Order Status 867,705
Delivery 867,703
Stock Level 867,702
Customer Report 8,677,039
50% 50.0% New Order 7,244,308 1,494
Payment 7,244,312
Order Status 724,430
Delivery 724,430
Stock Level 724,431
Customer Report 7,244,310
40% 40.2% New Order 5,820,903 1,494
Payment 5,820,907
Order Status 582,091
Delivery 582,090
Stock Level 582,091
Customer Report 5,820,907
30% 29.8% New Order 4,321,326 1,494
Payment 4,321,322
Order Status 432,132
Delivery 432,133
Stock Level 432,132
Customer Report 4,321,318
20% 20.0% New Order 2,898,178 1,494
Payment 2,898,178
Order Status 289,817
Delivery 289,819
Stock Level 289,817
Customer Report 2,898,173
10% 9.8% New Order 1,424,978 1,494
Payment 1,424,978
Order Status 142,499
Delivery 142,498
Stock Level 142,499
Customer Report 1,424,981
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0