Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 201,306
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     204,269
Calibration 2     202,073
Calibration 3     201,395
ssj_ops@calibrated=201,734
100% 99.8% 201,734 201,306
90% 90.2% 181,561 181,979
80% 80.2% 161,387 161,789
70% 70.3% 141,214 141,837
60% 60.0% 121,040 120,974
50% 50.1% 100,867 101,058
40% 39.8% 80,694 80,250
30% 29.9% 60,520 60,308
20% 20.0% 40,347 40,436
10% 10.0% 20,173 20,092
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 14,858,976 1,494
Payment 14,858,973
Order Status 1,485,898
Delivery 1,485,897
Stock Level 1,485,898
Customer Report 14,858,973
Calibration 2 New Order 14,697,910 1,494
Payment 14,697,903
Order Status 1,469,791
Delivery 1,469,791
Stock Level 1,469,790
Customer Report 14,697,908
Calibration 3 New Order 14,648,918 1,494
Payment 14,648,919
Order Status 1,464,892
Delivery 1,464,892
Stock Level 1,464,892
Customer Report 14,648,924
100% 99.8% New Order 14,642,411 1,494
Payment 14,642,408
Order Status 1,464,241
Delivery 1,464,241
Stock Level 1,464,241
Customer Report 14,642,408
90% 90.2% New Order 13,235,990 1,494
Payment 13,235,990
Order Status 1,323,600
Delivery 1,323,598
Stock Level 1,323,599
Customer Report 13,235,990
80% 80.2% New Order 11,767,579 1,494
Payment 11,767,578
Order Status 1,176,757
Delivery 1,176,758
Stock Level 1,176,757
Customer Report 11,767,576
70% 70.3% New Order 10,315,540 1,494
Payment 10,315,539
Order Status 1,031,555
Delivery 1,031,554
Stock Level 1,031,554
Customer Report 10,315,540
60% 60.0% New Order 8,798,522 1,494
Payment 8,798,525
Order Status 879,851
Delivery 879,851
Stock Level 879,852
Customer Report 8,798,522
50% 50.1% New Order 7,350,232 1,494
Payment 7,350,239
Order Status 735,023
Delivery 735,025
Stock Level 735,023
Customer Report 7,350,236
40% 39.8% New Order 5,836,409 1,494
Payment 5,836,409
Order Status 583,641
Delivery 583,643
Stock Level 583,640
Customer Report 5,836,415
30% 29.9% New Order 4,386,066 1,494
Payment 4,386,063
Order Status 438,607
Delivery 438,606
Stock Level 438,607
Customer Report 4,386,067
20% 20.0% New Order 2,940,901 1,494
Payment 2,940,896
Order Status 294,090
Delivery 294,090
Stock Level 294,089
Customer Report 2,940,897
10% 10.0% New Order 1,461,211 1,494
Payment 1,461,215
Order Status 146,121
Delivery 146,121
Stock Level 146,122
Customer Report 1,461,210
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0