Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 185,987
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     190,459
Calibration 2     187,557
Calibration 3     187,132
ssj_ops@calibrated=187,345
100% 99.3% 187,345 185,987
90% 90.7% 168,610 169,937
80% 80.8% 149,876 151,353
70% 70.2% 131,141 131,594
60% 59.7% 112,407 111,908
50% 50.5% 93,672 94,523
40% 39.9% 74,938 74,729
30% 29.6% 56,203 55,460
20% 19.8% 37,469 37,174
10% 10.1% 18,734 19,007
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 13,853,980 1,494
Payment 13,853,980
Order Status 1,385,397
Delivery 1,385,397
Stock Level 1,385,397
Customer Report 13,853,975
Calibration 2 New Order 13,641,124 1,494
Payment 13,641,123
Order Status 1,364,112
Delivery 1,364,113
Stock Level 1,364,113
Customer Report 13,641,116
Calibration 3 New Order 13,611,305 1,494
Payment 13,611,305
Order Status 1,361,130
Delivery 1,361,130
Stock Level 1,361,130
Customer Report 13,611,308
100% 99.3% New Order 13,526,531 1,494
Payment 13,526,528
Order Status 1,352,651
Delivery 1,352,653
Stock Level 1,352,653
Customer Report 13,526,531
90% 90.7% New Order 12,360,162 1,494
Payment 12,360,166
Order Status 1,236,017
Delivery 1,236,016
Stock Level 1,236,015
Customer Report 12,360,165
80% 80.8% New Order 11,007,610 1,494
Payment 11,007,609
Order Status 1,100,762
Delivery 1,100,763
Stock Level 1,100,762
Customer Report 11,007,608
70% 70.2% New Order 9,571,372 1,494
Payment 9,571,375
Order Status 957,138
Delivery 957,138
Stock Level 957,138
Customer Report 9,571,375
60% 59.7% New Order 8,140,355 1,494
Payment 8,140,354
Order Status 814,035
Delivery 814,036
Stock Level 814,035
Customer Report 8,140,351
50% 50.5% New Order 6,874,883 1,494
Payment 6,874,883
Order Status 687,489
Delivery 687,488
Stock Level 687,489
Customer Report 6,874,876
40% 39.9% New Order 5,435,295 1,494
Payment 5,435,294
Order Status 543,529
Delivery 543,529
Stock Level 543,529
Customer Report 5,435,293
30% 29.6% New Order 4,033,636 1,494
Payment 4,033,636
Order Status 403,363
Delivery 403,363
Stock Level 403,363
Customer Report 4,033,634
20% 19.8% New Order 2,703,785 1,494
Payment 2,703,785
Order Status 270,378
Delivery 270,380
Stock Level 270,379
Customer Report 2,703,782
10% 10.1% New Order 1,382,344 1,494
Payment 1,382,342
Order Status 138,235
Delivery 138,236
Stock Level 138,235
Customer Report 1,382,343
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0