Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,200
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     199,386
Calibration 2     197,964
Calibration 3     197,344
ssj_ops@calibrated=197,654
100% 99.8% 197,654 197,200
90% 90.5% 177,889 178,815
80% 80.6% 158,123 159,297
70% 70.4% 138,358 139,123
60% 60.2% 118,592 118,925
50% 49.8% 98,827 98,410
40% 39.8% 79,062 78,740
30% 29.9% 59,296 59,130
20% 20.2% 39,531 39,846
10% 9.8% 19,765 19,433
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 14,503,871 1,494
Payment 14,503,866
Order Status 1,450,387
Delivery 1,450,386
Stock Level 1,450,386
Customer Report 14,503,866
Calibration 2 New Order 14,397,855 1,494
Payment 14,397,856
Order Status 1,439,786
Delivery 1,439,785
Stock Level 1,439,785
Customer Report 14,397,851
Calibration 3 New Order 14,354,006 1,494
Payment 14,354,004
Order Status 1,435,400
Delivery 1,435,402
Stock Level 1,435,401
Customer Report 14,354,008
100% 99.8% New Order 14,343,194 1,494
Payment 14,343,196
Order Status 1,434,321
Delivery 1,434,320
Stock Level 1,434,319
Customer Report 14,343,194
90% 90.5% New Order 13,006,055 1,494
Payment 13,006,049
Order Status 1,300,607
Delivery 1,300,606
Stock Level 1,300,605
Customer Report 13,006,048
80% 80.6% New Order 11,585,273 1,494
Payment 11,585,275
Order Status 1,158,528
Delivery 1,158,528
Stock Level 1,158,526
Customer Report 11,585,272
70% 70.4% New Order 10,118,093 1,494
Payment 10,118,095
Order Status 1,011,809
Delivery 1,011,808
Stock Level 1,011,809
Customer Report 10,118,094
60% 60.2% New Order 8,649,745 1,494
Payment 8,649,741
Order Status 864,974
Delivery 864,974
Stock Level 864,974
Customer Report 8,649,749
50% 49.8% New Order 7,158,070 1,494
Payment 7,158,072
Order Status 715,807
Delivery 715,806
Stock Level 715,808
Customer Report 7,158,074
40% 39.8% New Order 5,726,573 1,494
Payment 5,726,572
Order Status 572,657
Delivery 572,657
Stock Level 572,656
Customer Report 5,726,568
30% 29.9% New Order 4,300,655 1,494
Payment 4,300,655
Order Status 430,066
Delivery 430,067
Stock Level 430,066
Customer Report 4,300,656
20% 20.2% New Order 2,898,033 1,494
Payment 2,898,032
Order Status 289,804
Delivery 289,804
Stock Level 289,803
Customer Report 2,898,034
10% 9.8% New Order 1,413,338 1,494
Payment 1,413,331
Order Status 141,334
Delivery 141,332
Stock Level 141,333
Customer Report 1,413,332
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0