Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 204,753
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     206,048
Calibration 2     205,055
Calibration 3     204,939
ssj_ops@calibrated=204,997
100% 99.9% 204,997 204,753
90% 90.2% 184,497 184,809
80% 79.8% 163,998 163,636
70% 69.9% 143,498 143,217
60% 59.9% 122,998 122,887
50% 50.6% 102,498 103,764
40% 39.9% 81,999 81,868
30% 30.1% 61,499 61,738
20% 19.9% 40,999 40,739
10% 9.9% 20,500 20,308
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 14,989,119 1,494
Payment 14,989,123
Order Status 1,498,914
Delivery 1,498,912
Stock Level 1,498,912
Customer Report 14,989,123
Calibration 2 New Order 14,914,493 1,494
Payment 14,914,495
Order Status 1,491,450
Delivery 1,491,449
Stock Level 1,491,449
Customer Report 14,914,496
Calibration 3 New Order 14,905,825 1,494
Payment 14,905,824
Order Status 1,490,583
Delivery 1,490,583
Stock Level 1,490,583
Customer Report 14,905,829
100% 99.9% New Order 14,891,649 1,494
Payment 14,891,650
Order Status 1,489,165
Delivery 1,489,162
Stock Level 1,489,164
Customer Report 14,891,647
90% 90.2% New Order 13,441,544 1,494
Payment 13,441,545
Order Status 1,344,155
Delivery 1,344,154
Stock Level 1,344,154
Customer Report 13,441,545
80% 79.8% New Order 11,901,139 1,494
Payment 11,901,139
Order Status 1,190,114
Delivery 1,190,115
Stock Level 1,190,116
Customer Report 11,901,138
70% 69.9% New Order 10,415,944 1,494
Payment 10,415,944
Order Status 1,041,594
Delivery 1,041,594
Stock Level 1,041,592
Customer Report 10,415,946
60% 59.9% New Order 8,937,558 1,494
Payment 8,937,560
Order Status 893,756
Delivery 893,756
Stock Level 893,757
Customer Report 8,937,557
50% 50.6% New Order 7,546,533 1,494
Payment 7,546,532
Order Status 754,652
Delivery 754,653
Stock Level 754,653
Customer Report 7,546,530
40% 39.9% New Order 5,954,127 1,494
Payment 5,954,123
Order Status 595,414
Delivery 595,413
Stock Level 595,414
Customer Report 5,954,130
30% 30.1% New Order 4,490,278 1,494
Payment 4,490,278
Order Status 449,027
Delivery 449,029
Stock Level 449,028
Customer Report 4,490,277
20% 19.9% New Order 2,962,895 1,494
Payment 2,962,895
Order Status 296,289
Delivery 296,290
Stock Level 296,290
Customer Report 2,962,898
10% 9.9% New Order 1,476,970 1,494
Payment 1,476,971
Order Status 147,697
Delivery 147,698
Stock Level 147,695
Customer Report 1,476,969
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0