Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 187,375
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     190,605
Calibration 2     188,071
Calibration 3     187,485
ssj_ops@calibrated=187,778
100% 99.8% 187,778 187,375
90% 90.2% 169,000 169,312
80% 80.5% 150,222 151,088
70% 70.0% 131,445 131,380
60% 60.1% 112,667 112,774
50% 49.6% 93,889 93,165
40% 40.1% 75,111 75,289
30% 29.9% 56,333 56,070
20% 19.9% 37,556 37,387
10% 10.1% 18,778 19,025
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 13,863,879 1,494
Payment 13,863,881
Order Status 1,386,389
Delivery 1,386,388
Stock Level 1,386,389
Customer Report 13,863,880
Calibration 2 New Order 13,678,668 1,494
Payment 13,678,673
Order Status 1,367,867
Delivery 1,367,866
Stock Level 1,367,866
Customer Report 13,678,667
Calibration 3 New Order 13,635,426 1,494
Payment 13,635,422
Order Status 1,363,543
Delivery 1,363,541
Stock Level 1,363,541
Customer Report 13,635,423
100% 99.8% New Order 13,629,066 1,494
Payment 13,629,059
Order Status 1,362,907
Delivery 1,362,906
Stock Level 1,362,907
Customer Report 13,629,061
90% 90.2% New Order 12,313,637 1,494
Payment 12,313,637
Order Status 1,231,363
Delivery 1,231,363
Stock Level 1,231,363
Customer Report 12,313,633
80% 80.5% New Order 10,988,766 1,494
Payment 10,988,761
Order Status 1,098,876
Delivery 1,098,876
Stock Level 1,098,876
Customer Report 10,988,767
70% 70.0% New Order 9,555,377 1,494
Payment 9,555,381
Order Status 955,538
Delivery 955,537
Stock Level 955,538
Customer Report 9,555,380
60% 60.1% New Order 8,202,145 1,494
Payment 8,202,145
Order Status 820,214
Delivery 820,215
Stock Level 820,215
Customer Report 8,202,143
50% 49.6% New Order 6,775,756 1,494
Payment 6,775,756
Order Status 677,576
Delivery 677,575
Stock Level 677,576
Customer Report 6,775,756
40% 40.1% New Order 5,475,596 1,494
Payment 5,475,596
Order Status 547,560
Delivery 547,559
Stock Level 547,561
Customer Report 5,475,600
30% 29.9% New Order 4,078,036 1,494
Payment 4,078,039
Order Status 407,804
Delivery 407,804
Stock Level 407,805
Customer Report 4,078,040
20% 19.9% New Order 2,719,219 1,494
Payment 2,719,215
Order Status 271,921
Delivery 271,923
Stock Level 271,922
Customer Report 2,719,216
10% 10.1% New Order 1,383,719 1,494
Payment 1,383,716
Order Status 138,372
Delivery 138,371
Stock Level 138,373
Customer Report 1,383,719
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0