Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 208,479
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     209,426
Calibration 2     208,793
Calibration 3     208,844
ssj_ops@calibrated=208,818
100% 99.8% 208,818 208,479
90% 89.5% 187,937 186,887
80% 80.2% 167,055 167,427
70% 69.7% 146,173 145,610
60% 60.5% 125,291 126,310
50% 49.4% 104,409 103,066
40% 39.8% 83,527 83,046
30% 29.9% 62,646 62,401
20% 20.0% 41,764 41,749
10% 10.0% 20,882 20,960
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,233,356 1,494
Payment 15,233,349
Order Status 1,523,336
Delivery 1,523,335
Stock Level 1,523,335
Customer Report 15,233,348
Calibration 2 New Order 15,186,707 1,494
Payment 15,186,702
Order Status 1,518,670
Delivery 1,518,671
Stock Level 1,518,671
Customer Report 15,186,705
Calibration 3 New Order 15,190,280 1,494
Payment 15,190,286
Order Status 1,519,027
Delivery 1,519,028
Stock Level 1,519,028
Customer Report 15,190,282
100% 99.8% New Order 15,163,622 1,494
Payment 15,163,620
Order Status 1,516,362
Delivery 1,516,362
Stock Level 1,516,362
Customer Report 15,163,626
90% 89.5% New Order 13,592,641 1,494
Payment 13,592,647
Order Status 1,359,264
Delivery 1,359,266
Stock Level 1,359,265
Customer Report 13,592,637
80% 80.2% New Order 12,176,525 1,494
Payment 12,176,533
Order Status 1,217,654
Delivery 1,217,652
Stock Level 1,217,653
Customer Report 12,176,535
70% 69.7% New Order 10,590,263 1,494
Payment 10,590,263
Order Status 1,059,026
Delivery 1,059,027
Stock Level 1,059,025
Customer Report 10,590,256
60% 60.5% New Order 9,186,588 1,494
Payment 9,186,590
Order Status 918,657
Delivery 918,658
Stock Level 918,660
Customer Report 9,186,593
50% 49.4% New Order 7,496,048 1,494
Payment 7,496,051
Order Status 749,605
Delivery 749,606
Stock Level 749,604
Customer Report 7,496,044
40% 39.8% New Order 6,039,967 1,494
Payment 6,039,974
Order Status 603,997
Delivery 603,997
Stock Level 603,996
Customer Report 6,039,971
30% 29.9% New Order 4,538,484 1,494
Payment 4,538,485
Order Status 453,848
Delivery 453,849
Stock Level 453,849
Customer Report 4,538,485
20% 20.0% New Order 3,036,336 1,494
Payment 3,036,332
Order Status 303,632
Delivery 303,635
Stock Level 303,632
Customer Report 3,036,331
10% 10.0% New Order 1,524,397 1,494
Payment 1,524,397
Order Status 152,441
Delivery 152,440
Stock Level 152,440
Customer Report 1,524,395
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0