Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,420
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     196,595
Calibration 2     194,911
Calibration 3     194,483
ssj_ops@calibrated=194,697
100% 99.9% 194,697 194,420
90% 90.2% 175,227 175,529
80% 79.5% 155,758 154,847
70% 69.8% 136,288 135,975
60% 60.1% 116,818 116,950
50% 50.5% 97,348 98,260
40% 39.9% 77,879 77,642
30% 29.6% 58,409 57,721
20% 19.8% 38,939 38,600
10% 9.9% 19,470 19,253
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 14,301,318 1,494
Payment 14,301,319
Order Status 1,430,132
Delivery 1,430,132
Stock Level 1,430,133
Customer Report 14,301,316
Calibration 2 New Order 14,176,208 1,494
Payment 14,176,212
Order Status 1,417,621
Delivery 1,417,621
Stock Level 1,417,622
Customer Report 14,176,209
Calibration 3 New Order 14,145,762 1,494
Payment 14,145,769
Order Status 1,414,576
Delivery 1,414,576
Stock Level 1,414,577
Customer Report 14,145,766
100% 99.9% New Order 14,140,500 1,494
Payment 14,140,495
Order Status 1,414,051
Delivery 1,414,051
Stock Level 1,414,052
Customer Report 14,140,495
90% 90.2% New Order 12,767,061 1,494
Payment 12,767,064
Order Status 1,276,705
Delivery 1,276,707
Stock Level 1,276,705
Customer Report 12,767,060
80% 79.5% New Order 11,261,888 1,494
Payment 11,261,887
Order Status 1,126,189
Delivery 1,126,188
Stock Level 1,126,188
Customer Report 11,261,890
70% 69.8% New Order 9,889,206 1,494
Payment 9,889,204
Order Status 988,921
Delivery 988,922
Stock Level 988,922
Customer Report 9,889,207
60% 60.1% New Order 8,505,720 1,494
Payment 8,505,723
Order Status 850,572
Delivery 850,572
Stock Level 850,573
Customer Report 8,505,728
50% 50.5% New Order 7,146,703 1,494
Payment 7,146,705
Order Status 714,670
Delivery 714,670
Stock Level 714,671
Customer Report 7,146,701
40% 39.9% New Order 5,646,996 1,494
Payment 5,647,002
Order Status 564,700
Delivery 564,700
Stock Level 564,699
Customer Report 5,646,996
30% 29.6% New Order 4,198,212 1,494
Payment 4,198,213
Order Status 419,822
Delivery 419,821
Stock Level 419,822
Customer Report 4,198,211
20% 19.8% New Order 2,807,347 1,494
Payment 2,807,348
Order Status 280,733
Delivery 280,734
Stock Level 280,734
Customer Report 2,807,346
10% 9.9% New Order 1,400,303 1,494
Payment 1,400,304
Order Status 140,029
Delivery 140,031
Stock Level 140,031
Customer Report 1,400,299
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0