Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 202,882
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     202,955
Calibration 2     203,004
Calibration 3     203,207
ssj_ops@calibrated=203,106
100% 99.9% 203,106 202,882
90% 89.5% 182,795 181,824
80% 80.0% 162,484 162,501
70% 70.1% 142,174 142,387
60% 59.9% 121,863 121,640
50% 50.2% 101,553 101,971
40% 40.0% 81,242 81,270
30% 30.2% 60,932 61,393
20% 20.3% 40,621 41,251
10% 10.1% 20,311 20,429
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 14,762,895 1,494
Payment 14,762,894
Order Status 1,476,289
Delivery 1,476,291
Stock Level 1,476,290
Customer Report 14,762,891
Calibration 2 New Order 14,764,711 1,494
Payment 14,764,712
Order Status 1,476,471
Delivery 1,476,472
Stock Level 1,476,470
Customer Report 14,764,714
Calibration 3 New Order 14,779,409 1,494
Payment 14,779,410
Order Status 1,477,942
Delivery 1,477,940
Stock Level 1,477,940
Customer Report 14,779,408
100% 99.9% New Order 14,756,997 1,494
Payment 14,756,997
Order Status 1,475,698
Delivery 1,475,699
Stock Level 1,475,700
Customer Report 14,756,998
90% 89.5% New Order 13,224,533 1,494
Payment 13,224,538
Order Status 1,322,456
Delivery 1,322,455
Stock Level 1,322,454
Customer Report 13,224,543
80% 80.0% New Order 11,818,322 1,494
Payment 11,818,326
Order Status 1,181,832
Delivery 1,181,831
Stock Level 1,181,832
Customer Report 11,818,320
70% 70.1% New Order 10,355,829 1,494
Payment 10,355,831
Order Status 1,035,582
Delivery 1,035,583
Stock Level 1,035,584
Customer Report 10,355,829
60% 59.9% New Order 8,846,666 1,494
Payment 8,846,668
Order Status 884,667
Delivery 884,666
Stock Level 884,667
Customer Report 8,846,671
50% 50.2% New Order 7,416,057 1,494
Payment 7,416,062
Order Status 741,606
Delivery 741,605
Stock Level 741,605
Customer Report 7,416,065
40% 40.0% New Order 5,910,632 1,494
Payment 5,910,626
Order Status 591,062
Delivery 591,064
Stock Level 591,064
Customer Report 5,910,631
30% 30.2% New Order 4,465,072 1,494
Payment 4,465,069
Order Status 446,506
Delivery 446,507
Stock Level 446,507
Customer Report 4,465,070
20% 20.3% New Order 3,000,261 1,494
Payment 3,000,265
Order Status 300,027
Delivery 300,026
Stock Level 300,027
Customer Report 3,000,263
10% 10.1% New Order 1,485,758 1,494
Payment 1,485,758
Order Status 148,574
Delivery 148,576
Stock Level 148,575
Customer Report 1,485,759
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0