Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,780
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Apr 3, 2026
Hardware Availability: Mar-2026 Software Availability: Mar-2026 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     159,185
Calibration 2     156,912
Calibration 3     156,610
ssj_ops@calibrated=156,761
100% 100.0% 156,761 156,780
90% 90.2% 141,085 141,426
80% 80.2% 125,409 125,658
70% 69.4% 109,733 108,797
60% 59.7% 94,057 93,596
50% 49.8% 78,381 78,022
40% 39.9% 62,705 62,577
30% 30.3% 47,028 47,423
20% 19.5% 31,352 30,634
10% 9.7% 15,676 15,142
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 XR8720t
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge XR8720t (Intel Xeon 6766P-B)
Form Factor: 2U
CPU Name: Intel Xeon 6766P-B
CPU Characteristics: 64 core, 2300 MHz, 256 MB L3 Cache, Max frequency 3500 MHz
CPU Frequency (MHz): 2300
CPU(s) Enabled: 64 cores, 1 chip, 64 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1 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: 256 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 256
# and size of DIMM: 8 x 32 GB
Memory Details: 32 GB 2Rx8 PC5-6400B-R, slots A1 A2 A3 A4 A5 A6 A7 A8 populated.
Power Supply Quantity and Rating (W): 1 x 1800
Power Supply Details: 1800W Titanium Efficiency (SKU: 450-BCXB)
Disk Drive: 1 x 960 GB NVMe M.2 SSD
Disk Controller: Integrated PCIe Controller
# and type of Network Interface Cards (NICs) Installed: 1 x Intel Ethernet Connection E825-C for SFP (rev 04)
NICs Enabled in Firmware / OS / Connected: 8/8/2
Network Speed (Mbit): 10000
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): Red Hat Enterprise Linux 10.0 (Coughlan)
OS Version: 6.12.0-55.9.1.el10_0.x86_64
Filesystem: xfs
JVM Vendor: Oracle
JVM Version: Java HotSpot(TM) 64-Bit Server VM(build 17.0.11+7-LTS-207, mixed mode)
JVM Command-line Options: -server -Xms1024m -Xmx1024m -Xmn800m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+UseBiasedLocking -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:+AggressiveHeap
JVM Affinity: for each physicalCore { numactl -C physicalCoreId, physicalCoreId + 64}
JVM Instances: 64
JVM Initial Heap (MB): 1024
JVM Maximum Heap (MB): 1024
JVM Address Bits: 64
Boot Firmware Version: 1.1.3
Management Firmware Version: 1.30.10.50
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Enabled (see SUT notes)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 11,577,479 1,014
Payment 11,577,478
Order Status 1,157,746
Delivery 1,157,747
Stock Level 1,157,746
Customer Report 11,577,478
Calibration 2 New Order 11,411,856 1,014
Payment 11,411,859
Order Status 1,141,186
Delivery 1,141,185
Stock Level 1,141,186
Customer Report 11,411,855
Calibration 3 New Order 11,389,855 1,014
Payment 11,389,858
Order Status 1,138,985
Delivery 1,138,986
Stock Level 1,138,985
Customer Report 11,389,863
100% 100.0% New Order 11,402,227 1,014
Payment 11,402,227
Order Status 1,140,222
Delivery 1,140,223
Stock Level 1,140,224
Customer Report 11,402,225
90% 90.2% New Order 10,285,651 1,014
Payment 10,285,648
Order Status 1,028,565
Delivery 1,028,564
Stock Level 1,028,565
Customer Report 10,285,650
80% 80.2% New Order 9,138,801 1,014
Payment 9,138,801
Order Status 913,880
Delivery 913,881
Stock Level 913,881
Customer Report 9,138,804
70% 69.4% New Order 7,912,524 1,015
Payment 7,912,516
Order Status 791,251
Delivery 791,252
Stock Level 791,252
Customer Report 7,912,519
60% 59.7% New Order 6,807,032 1,014
Payment 6,807,034
Order Status 680,702
Delivery 680,702
Stock Level 680,702
Customer Report 6,807,034
50% 49.8% New Order 5,674,315 1,015
Payment 5,674,318
Order Status 567,431
Delivery 567,432
Stock Level 567,433
Customer Report 5,674,312
40% 39.9% New Order 4,551,133 1,014
Payment 4,551,135
Order Status 455,113
Delivery 455,113
Stock Level 455,113
Customer Report 4,551,128
30% 30.3% New Order 3,448,942 1,015
Payment 3,448,942
Order Status 344,895
Delivery 344,894
Stock Level 344,894
Customer Report 3,448,943
20% 19.5% New Order 2,228,033 1,014
Payment 2,228,032
Order Status 222,804
Delivery 222,802
Stock Level 222,805
Customer Report 2,228,037
10% 9.7% New Order 1,101,211 1,014
Payment 1,101,213
Order Status 110,121
Delivery 110,121
Stock Level 110,121
Customer Report 1,101,213
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0