Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,280
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     200,463
Calibration 2     197,892
Calibration 3     197,440
ssj_ops@calibrated=197,666
100% 99.8% 197,666 197,280
90% 89.8% 177,899 177,589
80% 79.8% 158,133 157,737
70% 69.7% 138,366 137,705
60% 59.9% 118,600 118,366
50% 49.8% 98,833 98,448
40% 40.0% 79,066 79,133
30% 30.5% 59,300 60,284
20% 19.7% 39,533 38,977
10% 9.7% 19,767 19,269
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 14,579,602 1,494
Payment 14,579,600
Order Status 1,457,961
Delivery 1,457,959
Stock Level 1,457,960
Customer Report 14,579,602
Calibration 2 New Order 14,393,730 1,494
Payment 14,393,727
Order Status 1,439,373
Delivery 1,439,373
Stock Level 1,439,373
Customer Report 14,393,728
Calibration 3 New Order 14,360,888 1,494
Payment 14,360,882
Order Status 1,436,087
Delivery 1,436,088
Stock Level 1,436,089
Customer Report 14,360,884
100% 99.8% New Order 14,347,774 1,494
Payment 14,347,776
Order Status 1,434,778
Delivery 1,434,777
Stock Level 1,434,777
Customer Report 14,347,777
90% 89.8% New Order 12,916,474 1,494
Payment 12,916,472
Order Status 1,291,646
Delivery 1,291,647
Stock Level 1,291,647
Customer Report 12,916,466
80% 79.8% New Order 11,473,390 1,494
Payment 11,473,388
Order Status 1,147,339
Delivery 1,147,339
Stock Level 1,147,340
Customer Report 11,473,393
70% 69.7% New Order 10,015,500 1,494
Payment 10,015,498
Order Status 1,001,550
Delivery 1,001,549
Stock Level 1,001,552
Customer Report 10,015,496
60% 59.9% New Order 8,609,380 1,494
Payment 8,609,378
Order Status 860,940
Delivery 860,940
Stock Level 860,937
Customer Report 8,609,385
50% 49.8% New Order 7,161,767 1,494
Payment 7,161,766
Order Status 716,176
Delivery 716,176
Stock Level 716,176
Customer Report 7,161,770
40% 40.0% New Order 5,755,668 1,494
Payment 5,755,670
Order Status 575,567
Delivery 575,566
Stock Level 575,566
Customer Report 5,755,674
30% 30.5% New Order 4,384,294 1,494
Payment 4,384,293
Order Status 438,431
Delivery 438,429
Stock Level 438,428
Customer Report 4,384,295
20% 19.7% New Order 2,834,812 1,494
Payment 2,834,813
Order Status 283,481
Delivery 283,482
Stock Level 283,481
Customer Report 2,834,810
10% 9.7% New Order 1,401,371 1,494
Payment 1,401,365
Order Status 140,138
Delivery 140,137
Stock Level 140,138
Customer Report 1,401,368
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0