Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 208,625
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     210,455
Calibration 2     209,308
Calibration 3     208,477
ssj_ops@calibrated=208,893
100% 99.9% 208,893 208,625
90% 89.7% 188,003 187,376
80% 80.6% 167,114 168,449
70% 70.3% 146,225 146,831
60% 59.7% 125,336 124,707
50% 49.9% 104,446 104,145
40% 40.1% 83,557 83,767
30% 29.9% 62,668 62,394
20% 20.1% 41,779 41,920
10% 10.0% 20,889 20,962
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 15,309,764 1,494
Payment 15,309,763
Order Status 1,530,975
Delivery 1,530,979
Stock Level 1,530,977
Customer Report 15,309,767
Calibration 2 New Order 15,222,764 1,494
Payment 15,222,764
Order Status 1,522,278
Delivery 1,522,277
Stock Level 1,522,277
Customer Report 15,222,767
Calibration 3 New Order 15,164,019 1,494
Payment 15,164,016
Order Status 1,516,401
Delivery 1,516,402
Stock Level 1,516,400
Customer Report 15,164,016
100% 99.9% New Order 15,173,891 1,494
Payment 15,173,884
Order Status 1,517,389
Delivery 1,517,389
Stock Level 1,517,390
Customer Report 15,173,888
90% 89.7% New Order 13,627,610 1,494
Payment 13,627,604
Order Status 1,362,762
Delivery 1,362,762
Stock Level 1,362,761
Customer Report 13,627,609
80% 80.6% New Order 12,251,637 1,494
Payment 12,251,639
Order Status 1,225,166
Delivery 1,225,164
Stock Level 1,225,164
Customer Report 12,251,632
70% 70.3% New Order 10,679,205 1,494
Payment 10,679,208
Order Status 1,067,921
Delivery 1,067,922
Stock Level 1,067,921
Customer Report 10,679,211
60% 59.7% New Order 9,069,735 1,494
Payment 9,069,737
Order Status 906,973
Delivery 906,974
Stock Level 906,974
Customer Report 9,069,731
50% 49.9% New Order 7,574,549 1,494
Payment 7,574,543
Order Status 757,455
Delivery 757,456
Stock Level 757,455
Customer Report 7,574,544
40% 40.1% New Order 6,092,183 1,494
Payment 6,092,185
Order Status 609,219
Delivery 609,218
Stock Level 609,218
Customer Report 6,092,182
30% 29.9% New Order 4,537,878 1,494
Payment 4,537,878
Order Status 453,787
Delivery 453,790
Stock Level 453,789
Customer Report 4,537,879
20% 20.1% New Order 3,048,751 1,494
Payment 3,048,748
Order Status 304,876
Delivery 304,874
Stock Level 304,876
Customer Report 3,048,755
10% 10.0% New Order 1,524,545 1,494
Payment 1,524,547
Order Status 152,453
Delivery 152,456
Stock Level 152,453
Customer Report 1,524,546
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0