Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 204,058
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     206,200
Calibration 2     205,829
Calibration 3     205,070
ssj_ops@calibrated=205,450
100% 99.3% 205,450 204,058
90% 90.4% 184,905 185,748
80% 80.1% 164,360 164,477
70% 70.5% 143,815 144,848
60% 59.7% 123,270 122,627
50% 50.0% 102,725 102,673
40% 39.5% 82,180 81,194
30% 30.2% 61,635 62,140
20% 19.9% 41,090 40,973
10% 10.1% 20,545 20,704
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 14,999,221 1,494
Payment 14,999,220
Order Status 1,499,922
Delivery 1,499,924
Stock Level 1,499,922
Customer Report 14,999,221
Calibration 2 New Order 14,970,443 1,494
Payment 14,970,441
Order Status 1,497,045
Delivery 1,497,044
Stock Level 1,497,045
Customer Report 14,970,440
Calibration 3 New Order 14,915,679 1,494
Payment 14,915,674
Order Status 1,491,567
Delivery 1,491,566
Stock Level 1,491,567
Customer Report 14,915,677
100% 99.3% New Order 14,842,366 1,494
Payment 14,842,370
Order Status 1,484,238
Delivery 1,484,237
Stock Level 1,484,237
Customer Report 14,842,366
90% 90.4% New Order 13,509,760 1,494
Payment 13,509,762
Order Status 1,350,976
Delivery 1,350,975
Stock Level 1,350,975
Customer Report 13,509,759
80% 80.1% New Order 11,961,997 1,494
Payment 11,962,005
Order Status 1,196,200
Delivery 1,196,198
Stock Level 1,196,200
Customer Report 11,961,999
70% 70.5% New Order 10,535,018 1,494
Payment 10,535,023
Order Status 1,053,503
Delivery 1,053,504
Stock Level 1,053,503
Customer Report 10,535,022
60% 59.7% New Order 8,918,826 1,494
Payment 8,918,837
Order Status 891,885
Delivery 891,884
Stock Level 891,884
Customer Report 8,918,836
50% 50.0% New Order 7,467,180 1,494
Payment 7,467,182
Order Status 746,718
Delivery 746,717
Stock Level 746,717
Customer Report 7,467,183
40% 39.5% New Order 5,905,008 1,494
Payment 5,905,005
Order Status 590,500
Delivery 590,502
Stock Level 590,501
Customer Report 5,905,002
30% 30.2% New Order 4,519,394 1,494
Payment 4,519,394
Order Status 451,940
Delivery 451,939
Stock Level 451,940
Customer Report 4,519,393
20% 19.9% New Order 2,979,915 1,494
Payment 2,979,920
Order Status 297,992
Delivery 297,991
Stock Level 297,993
Customer Report 2,979,913
10% 10.1% New Order 1,505,759 1,494
Payment 1,505,760
Order Status 150,574
Delivery 150,576
Stock Level 150,575
Customer Report 1,505,759
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0