Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,536
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     200,096
Calibration 2     199,077
Calibration 3     198,532
ssj_ops@calibrated=198,804
100% 99.9% 198,804 198,536
90% 89.4% 178,924 177,649
80% 79.4% 159,044 157,785
70% 70.1% 139,163 139,352
60% 60.6% 119,283 120,501
50% 50.3% 99,402 100,005
40% 40.5% 79,522 80,563
30% 29.8% 59,641 59,194
20% 20.2% 39,761 40,151
10% 10.0% 19,880 19,887
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 14,555,172 1,494
Payment 14,555,167
Order Status 1,455,516
Delivery 1,455,517
Stock Level 1,455,518
Customer Report 14,555,170
Calibration 2 New Order 14,478,740 1,494
Payment 14,478,742
Order Status 1,447,873
Delivery 1,447,876
Stock Level 1,447,874
Customer Report 14,478,738
Calibration 3 New Order 14,442,407 1,494
Payment 14,442,407
Order Status 1,444,241
Delivery 1,444,241
Stock Level 1,444,240
Customer Report 14,442,407
100% 99.9% New Order 14,439,430 1,494
Payment 14,439,429
Order Status 1,443,943
Delivery 1,443,942
Stock Level 1,443,942
Customer Report 14,439,426
90% 89.4% New Order 12,919,935 1,494
Payment 12,919,935
Order Status 1,291,995
Delivery 1,291,995
Stock Level 1,291,995
Customer Report 12,919,940
80% 79.4% New Order 11,475,512 1,494
Payment 11,475,513
Order Status 1,147,550
Delivery 1,147,550
Stock Level 1,147,551
Customer Report 11,475,514
70% 70.1% New Order 10,135,537 1,494
Payment 10,135,534
Order Status 1,013,553
Delivery 1,013,554
Stock Level 1,013,553
Customer Report 10,135,533
60% 60.6% New Order 8,764,318 1,494
Payment 8,764,322
Order Status 876,433
Delivery 876,431
Stock Level 876,433
Customer Report 8,764,321
50% 50.3% New Order 7,273,453 1,494
Payment 7,273,450
Order Status 727,346
Delivery 727,345
Stock Level 727,346
Customer Report 7,273,449
40% 40.5% New Order 5,860,206 1,494
Payment 5,860,212
Order Status 586,020
Delivery 586,021
Stock Level 586,021
Customer Report 5,860,211
30% 29.8% New Order 4,305,110 1,494
Payment 4,305,113
Order Status 430,512
Delivery 430,512
Stock Level 430,512
Customer Report 4,305,112
20% 20.2% New Order 2,920,143 1,494
Payment 2,920,149
Order Status 292,014
Delivery 292,016
Stock Level 292,014
Customer Report 2,920,151
10% 10.0% New Order 1,446,371 1,494
Payment 1,446,377
Order Status 144,637
Delivery 144,637
Stock Level 144,637
Customer Report 1,446,368
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0