Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 202,796
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     203,739
Calibration 2     203,945
Calibration 3     203,697
ssj_ops@calibrated=203,821
100% 99.5% 203,821 202,796
90% 89.3% 183,439 181,988
80% 80.8% 163,057 164,669
70% 69.5% 142,675 141,575
60% 60.0% 122,293 122,252
50% 49.7% 101,910 101,270
40% 40.1% 81,528 81,724
30% 29.9% 61,146 60,854
20% 19.9% 40,764 40,603
10% 10.1% 20,382 20,540
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 14,820,541 1,494
Payment 14,820,546
Order Status 1,482,055
Delivery 1,482,055
Stock Level 1,482,054
Customer Report 14,820,549
Calibration 2 New Order 14,834,341 1,494
Payment 14,834,344
Order Status 1,483,435
Delivery 1,483,433
Stock Level 1,483,434
Customer Report 14,834,342
Calibration 3 New Order 14,815,578 1,494
Payment 14,815,583
Order Status 1,481,557
Delivery 1,481,556
Stock Level 1,481,556
Customer Report 14,815,577
100% 99.5% New Order 14,749,870 1,494
Payment 14,749,875
Order Status 1,474,987
Delivery 1,474,986
Stock Level 1,474,988
Customer Report 14,749,873
90% 89.3% New Order 13,236,090 1,494
Payment 13,236,087
Order Status 1,323,609
Delivery 1,323,610
Stock Level 1,323,609
Customer Report 13,236,089
80% 80.8% New Order 11,976,206 1,494
Payment 11,976,210
Order Status 1,197,621
Delivery 1,197,620
Stock Level 1,197,622
Customer Report 11,976,210
70% 69.5% New Order 10,296,410 1,494
Payment 10,296,415
Order Status 1,029,641
Delivery 1,029,641
Stock Level 1,029,642
Customer Report 10,296,412
60% 60.0% New Order 8,891,390 1,494
Payment 8,891,390
Order Status 889,138
Delivery 889,139
Stock Level 889,139
Customer Report 8,891,392
50% 49.7% New Order 7,365,175 1,494
Payment 7,365,175
Order Status 736,518
Delivery 736,518
Stock Level 736,518
Customer Report 7,365,180
40% 40.1% New Order 5,943,567 1,494
Payment 5,943,563
Order Status 594,357
Delivery 594,357
Stock Level 594,356
Customer Report 5,943,566
30% 29.9% New Order 4,425,766 1,494
Payment 4,425,763
Order Status 442,576
Delivery 442,575
Stock Level 442,577
Customer Report 4,425,767
20% 19.9% New Order 2,952,987 1,494
Payment 2,952,989
Order Status 295,299
Delivery 295,300
Stock Level 295,300
Customer Report 2,952,991
10% 10.1% New Order 1,493,817 1,494
Payment 1,493,821
Order Status 149,382
Delivery 149,383
Stock Level 149,382
Customer Report 1,493,820
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0