Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,530
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     196,147
Calibration 2     193,844
Calibration 3     193,961
ssj_ops@calibrated=193,902
100% 99.8% 193,902 193,530
90% 89.7% 174,512 173,995
80% 80.3% 155,122 155,777
70% 69.8% 135,732 135,320
60% 60.3% 116,341 116,984
50% 50.3% 96,951 97,620
40% 39.5% 77,561 76,563
30% 30.0% 58,171 58,140
20% 20.0% 38,780 38,770
10% 10.0% 19,390 19,480
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 14,268,206 1,494
Payment 14,268,207
Order Status 1,426,821
Delivery 1,426,821
Stock Level 1,426,821
Customer Report 14,268,208
Calibration 2 New Order 14,099,097 1,494
Payment 14,099,101
Order Status 1,409,910
Delivery 1,409,910
Stock Level 1,409,911
Customer Report 14,099,093
Calibration 3 New Order 14,107,245 1,494
Payment 14,107,245
Order Status 1,410,725
Delivery 1,410,724
Stock Level 1,410,725
Customer Report 14,107,250
100% 99.8% New Order 14,075,924 1,494
Payment 14,075,926
Order Status 1,407,594
Delivery 1,407,593
Stock Level 1,407,593
Customer Report 14,075,925
90% 89.7% New Order 12,654,631 1,494
Payment 12,654,632
Order Status 1,265,462
Delivery 1,265,464
Stock Level 1,265,463
Customer Report 12,654,632
80% 80.3% New Order 11,329,310 1,494
Payment 11,329,310
Order Status 1,132,931
Delivery 1,132,930
Stock Level 1,132,931
Customer Report 11,329,305
70% 69.8% New Order 9,842,156 1,494
Payment 9,842,161
Order Status 984,215
Delivery 984,216
Stock Level 984,215
Customer Report 9,842,159
60% 60.3% New Order 8,508,183 1,494
Payment 8,508,184
Order Status 850,818
Delivery 850,820
Stock Level 850,818
Customer Report 8,508,181
50% 50.3% New Order 7,099,783 1,494
Payment 7,099,773
Order Status 709,977
Delivery 709,978
Stock Level 709,978
Customer Report 7,099,779
40% 39.5% New Order 5,568,436 1,494
Payment 5,568,437
Order Status 556,843
Delivery 556,843
Stock Level 556,843
Customer Report 5,568,436
30% 30.0% New Order 4,228,481 1,494
Payment 4,228,475
Order Status 422,847
Delivery 422,849
Stock Level 422,850
Customer Report 4,228,480
20% 20.0% New Order 2,819,711 1,494
Payment 2,819,714
Order Status 281,972
Delivery 281,971
Stock Level 281,973
Customer Report 2,819,716
10% 10.0% New Order 1,416,762 1,494
Payment 1,416,763
Order Status 141,675
Delivery 141,676
Stock Level 141,677
Customer Report 1,416,759
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0