Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 209,115
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     210,321
Calibration 2     209,804
Calibration 3     209,430
ssj_ops@calibrated=209,617
100% 99.8% 209,617 209,115
90% 90.2% 188,655 189,161
80% 80.6% 167,694 168,927
70% 70.1% 146,732 146,919
60% 60.1% 125,770 126,047
50% 49.9% 104,809 104,620
40% 39.7% 83,847 83,305
30% 29.8% 62,885 62,388
20% 20.2% 41,923 42,412
10% 9.9% 20,962 20,662
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 15,298,428 1,494
Payment 15,298,434
Order Status 1,529,844
Delivery 1,529,844
Stock Level 1,529,843
Customer Report 15,298,434
Calibration 2 New Order 15,260,897 1,494
Payment 15,260,896
Order Status 1,526,091
Delivery 1,526,090
Stock Level 1,526,090
Customer Report 15,260,903
Calibration 3 New Order 15,232,968 1,494
Payment 15,232,965
Order Status 1,523,297
Delivery 1,523,297
Stock Level 1,523,297
Customer Report 15,232,967
100% 99.8% New Order 15,208,762 1,494
Payment 15,208,763
Order Status 1,520,875
Delivery 1,520,876
Stock Level 1,520,877
Customer Report 15,208,760
90% 90.2% New Order 13,757,315 1,494
Payment 13,757,318
Order Status 1,375,730
Delivery 1,375,732
Stock Level 1,375,732
Customer Report 13,757,316
80% 80.6% New Order 12,285,732 1,494
Payment 12,285,737
Order Status 1,228,572
Delivery 1,228,572
Stock Level 1,228,573
Customer Report 12,285,736
70% 70.1% New Order 10,686,515 1,494
Payment 10,686,519
Order Status 1,068,650
Delivery 1,068,652
Stock Level 1,068,650
Customer Report 10,686,515
60% 60.1% New Order 9,167,755 1,494
Payment 9,167,757
Order Status 916,777
Delivery 916,776
Stock Level 916,776
Customer Report 9,167,757
50% 49.9% New Order 7,608,786 1,494
Payment 7,608,787
Order Status 760,880
Delivery 760,879
Stock Level 760,879
Customer Report 7,608,790
40% 39.7% New Order 6,058,767 1,494
Payment 6,058,766
Order Status 605,876
Delivery 605,877
Stock Level 605,877
Customer Report 6,058,762
30% 29.8% New Order 4,537,527 1,494
Payment 4,537,522
Order Status 453,753
Delivery 453,752
Stock Level 453,753
Customer Report 4,537,529
20% 20.2% New Order 3,084,542 1,494
Payment 3,084,550
Order Status 308,454
Delivery 308,454
Stock Level 308,455
Customer Report 3,084,545
10% 9.9% New Order 1,502,712 1,494
Payment 1,502,718
Order Status 150,271
Delivery 150,273
Stock Level 150,272
Customer Report 1,502,714
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0