Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,488
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     201,602
Calibration 2     199,010
Calibration 3     198,839
ssj_ops@calibrated=198,924
100% 99.8% 198,924 198,488
90% 90.2% 179,032 179,431
80% 79.9% 159,139 158,846
70% 70.5% 139,247 140,164
60% 60.0% 119,355 119,392
50% 49.7% 99,462 98,962
40% 40.0% 79,570 79,520
30% 30.1% 59,677 59,883
20% 19.7% 39,785 39,286
10% 10.3% 19,892 20,546
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 14,663,258 1,494
Payment 14,663,255
Order Status 1,466,325
Delivery 1,466,326
Stock Level 1,466,325
Customer Report 14,663,256
Calibration 2 New Order 14,475,797 1,494
Payment 14,475,797
Order Status 1,447,580
Delivery 1,447,578
Stock Level 1,447,580
Customer Report 14,475,797
Calibration 3 New Order 14,461,312 1,494
Payment 14,461,310
Order Status 1,446,130
Delivery 1,446,130
Stock Level 1,446,131
Customer Report 14,461,308
100% 99.8% New Order 14,437,425 1,494
Payment 14,437,424
Order Status 1,443,743
Delivery 1,443,742
Stock Level 1,443,742
Customer Report 14,437,424
90% 90.2% New Order 13,049,695 1,494
Payment 13,049,701
Order Status 1,304,970
Delivery 1,304,969
Stock Level 1,304,970
Customer Report 13,049,695
80% 79.9% New Order 11,554,064 1,494
Payment 11,554,068
Order Status 1,155,407
Delivery 1,155,408
Stock Level 1,155,407
Customer Report 11,554,063
70% 70.5% New Order 10,195,445 1,494
Payment 10,195,446
Order Status 1,019,545
Delivery 1,019,544
Stock Level 1,019,544
Customer Report 10,195,444
60% 60.0% New Order 8,683,724 1,494
Payment 8,683,724
Order Status 868,373
Delivery 868,372
Stock Level 868,371
Customer Report 8,683,727
50% 49.7% New Order 7,197,988 1,494
Payment 7,197,988
Order Status 719,798
Delivery 719,800
Stock Level 719,800
Customer Report 7,197,988
40% 40.0% New Order 5,784,050 1,494
Payment 5,784,049
Order Status 578,405
Delivery 578,405
Stock Level 578,406
Customer Report 5,784,052
30% 30.1% New Order 4,355,344 1,494
Payment 4,355,348
Order Status 435,535
Delivery 435,535
Stock Level 435,534
Customer Report 4,355,344
20% 19.7% New Order 2,857,178 1,494
Payment 2,857,179
Order Status 285,718
Delivery 285,719
Stock Level 285,718
Customer Report 2,857,172
10% 10.3% New Order 1,494,245 1,494
Payment 1,494,242
Order Status 149,424
Delivery 149,424
Stock Level 149,423
Customer Report 1,494,242
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0