Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,749
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     198,284
Calibration 2     195,992
Calibration 3     195,981
ssj_ops@calibrated=195,987
100% 99.4% 195,987 194,749
90% 89.8% 176,388 175,982
80% 80.2% 156,789 157,263
70% 70.4% 137,191 137,950
60% 60.0% 117,592 117,603
50% 50.2% 97,993 98,358
40% 40.2% 78,395 78,844
30% 29.6% 58,796 58,089
20% 20.0% 39,197 39,255
10% 10.2% 19,599 19,947
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 14,424,596 1,494
Payment 14,424,601
Order Status 1,442,462
Delivery 1,442,459
Stock Level 1,442,460
Customer Report 14,424,602
Calibration 2 New Order 14,255,614 1,494
Payment 14,255,612
Order Status 1,425,563
Delivery 1,425,561
Stock Level 1,425,562
Customer Report 14,255,620
Calibration 3 New Order 14,254,461 1,494
Payment 14,254,459
Order Status 1,425,446
Delivery 1,425,446
Stock Level 1,425,446
Customer Report 14,254,454
100% 99.4% New Order 14,164,500 1,494
Payment 14,164,496
Order Status 1,416,449
Delivery 1,416,451
Stock Level 1,416,449
Customer Report 14,164,499
90% 89.8% New Order 12,798,900 1,494
Payment 12,798,902
Order Status 1,279,891
Delivery 1,279,890
Stock Level 1,279,889
Customer Report 12,798,903
80% 80.2% New Order 11,437,373 1,494
Payment 11,437,379
Order Status 1,143,737
Delivery 1,143,738
Stock Level 1,143,737
Customer Report 11,437,378
70% 70.4% New Order 10,033,153 1,494
Payment 10,033,151
Order Status 1,003,315
Delivery 1,003,316
Stock Level 1,003,314
Customer Report 10,033,148
60% 60.0% New Order 8,552,944 1,494
Payment 8,552,944
Order Status 855,295
Delivery 855,293
Stock Level 855,295
Customer Report 8,552,948
50% 50.2% New Order 7,153,594 1,494
Payment 7,153,595
Order Status 715,358
Delivery 715,359
Stock Level 715,359
Customer Report 7,153,590
40% 40.2% New Order 5,734,541 1,494
Payment 5,734,540
Order Status 573,454
Delivery 573,454
Stock Level 573,454
Customer Report 5,734,539
30% 29.6% New Order 4,225,159 1,494
Payment 4,225,159
Order Status 422,516
Delivery 422,517
Stock Level 422,518
Customer Report 4,225,159
20% 20.0% New Order 2,854,930 1,494
Payment 2,854,934
Order Status 285,494
Delivery 285,493
Stock Level 285,494
Customer Report 2,854,933
10% 10.2% New Order 1,450,721 1,494
Payment 1,450,722
Order Status 145,073
Delivery 145,071
Stock Level 145,072
Customer Report 1,450,717
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0