Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 206,113
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     204,053
Calibration 2     205,089
Calibration 3     205,558
ssj_ops@calibrated=205,323
100% 100.4% 205,323 206,113
90% 89.6% 184,791 183,870
80% 79.7% 164,259 163,634
70% 70.3% 143,726 144,399
60% 59.8% 123,194 122,779
50% 49.9% 102,662 102,450
40% 40.0% 82,129 82,051
30% 30.5% 61,597 62,578
20% 19.9% 41,065 40,858
10% 10.0% 20,532 20,491
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,842,997 1,494
Payment 14,842,995
Order Status 1,484,299
Delivery 1,484,299
Stock Level 1,484,300
Customer Report 14,842,994
Calibration 2 New Order 14,916,299 1,494
Payment 14,916,298
Order Status 1,491,630
Delivery 1,491,631
Stock Level 1,491,630
Customer Report 14,916,303
Calibration 3 New Order 14,950,627 1,494
Payment 14,950,626
Order Status 1,495,063
Delivery 1,495,063
Stock Level 1,495,062
Customer Report 14,950,624
100% 100.4% New Order 14,991,257 1,494
Payment 14,991,262
Order Status 1,499,126
Delivery 1,499,128
Stock Level 1,499,127
Customer Report 14,991,263
90% 89.6% New Order 13,372,436 1,494
Payment 13,372,439
Order Status 1,337,244
Delivery 1,337,244
Stock Level 1,337,244
Customer Report 13,372,440
80% 79.7% New Order 11,901,358 1,494
Payment 11,901,362
Order Status 1,190,137
Delivery 1,190,136
Stock Level 1,190,136
Customer Report 11,901,358
70% 70.3% New Order 10,501,800 1,494
Payment 10,501,799
Order Status 1,050,179
Delivery 1,050,180
Stock Level 1,050,180
Customer Report 10,501,801
60% 59.8% New Order 8,929,436 1,494
Payment 8,929,439
Order Status 892,943
Delivery 892,944
Stock Level 892,944
Customer Report 8,929,438
50% 49.9% New Order 7,450,909 1,494
Payment 7,450,908
Order Status 745,091
Delivery 745,093
Stock Level 745,090
Customer Report 7,450,909
40% 40.0% New Order 5,967,580 1,494
Payment 5,967,581
Order Status 596,757
Delivery 596,758
Stock Level 596,760
Customer Report 5,967,578
30% 30.5% New Order 4,551,156 1,494
Payment 4,551,163
Order Status 455,116
Delivery 455,116
Stock Level 455,115
Customer Report 4,551,161
20% 19.9% New Order 2,971,517 1,494
Payment 2,971,515
Order Status 297,152
Delivery 297,151
Stock Level 297,152
Customer Report 2,971,513
10% 10.0% New Order 1,490,306 1,494
Payment 1,490,300
Order Status 149,030
Delivery 149,030
Stock Level 149,031
Customer Report 1,490,303
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0