Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,527
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     198,950
Calibration 2     196,692
Calibration 3     194,799
ssj_ops@calibrated=195,745
100% 99.9% 195,745 195,527
90% 90.1% 176,171 176,294
80% 79.9% 156,596 156,306
70% 69.7% 137,022 136,478
60% 59.8% 117,447 117,095
50% 50.2% 97,873 98,284
40% 40.3% 78,298 78,976
30% 30.6% 58,724 59,893
20% 20.0% 39,149 39,081
10% 9.9% 19,575 19,393
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 14,471,799 1,494
Payment 14,471,804
Order Status 1,447,180
Delivery 1,447,180
Stock Level 1,447,178
Customer Report 14,471,807
Calibration 2 New Order 14,305,772 1,494
Payment 14,305,774
Order Status 1,430,577
Delivery 1,430,578
Stock Level 1,430,578
Customer Report 14,305,777
Calibration 3 New Order 14,168,509 1,494
Payment 14,168,508
Order Status 1,416,851
Delivery 1,416,849
Stock Level 1,416,851
Customer Report 14,168,507
100% 99.9% New Order 14,220,269 1,494
Payment 14,220,271
Order Status 1,422,026
Delivery 1,422,027
Stock Level 1,422,028
Customer Report 14,220,269
90% 90.1% New Order 12,822,159 1,494
Payment 12,822,160
Order Status 1,282,216
Delivery 1,282,216
Stock Level 1,282,215
Customer Report 12,822,155
80% 79.9% New Order 11,368,370 1,494
Payment 11,368,369
Order Status 1,136,838
Delivery 1,136,836
Stock Level 1,136,837
Customer Report 11,368,369
70% 69.7% New Order 9,925,687 1,494
Payment 9,925,685
Order Status 992,569
Delivery 992,569
Stock Level 992,568
Customer Report 9,925,684
60% 59.8% New Order 8,516,098 1,494
Payment 8,516,096
Order Status 851,609
Delivery 851,609
Stock Level 851,610
Customer Report 8,516,097
50% 50.2% New Order 7,148,646 1,494
Payment 7,148,649
Order Status 714,865
Delivery 714,865
Stock Level 714,865
Customer Report 7,148,646
40% 40.3% New Order 5,743,712 1,494
Payment 5,743,716
Order Status 574,371
Delivery 574,373
Stock Level 574,371
Customer Report 5,743,708
30% 30.6% New Order 4,356,134 1,494
Payment 4,356,136
Order Status 435,613
Delivery 435,613
Stock Level 435,614
Customer Report 4,356,132
20% 20.0% New Order 2,842,454 1,494
Payment 2,842,451
Order Status 284,245
Delivery 284,245
Stock Level 284,245
Customer Report 2,842,449
10% 9.9% New Order 1,410,431 1,494
Payment 1,410,425
Order Status 141,043
Delivery 141,042
Stock Level 141,042
Customer Report 1,410,427
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0