Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 153,278
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     156,112
Calibration 2     153,799
Calibration 3     153,605
ssj_ops@calibrated=153,702
100% 99.7% 153,702 153,278
90% 90.6% 138,332 139,240
80% 79.9% 122,962 122,770
70% 70.5% 107,591 108,386
60% 59.9% 92,221 92,116
50% 49.6% 76,851 76,178
40% 39.9% 61,481 61,299
30% 30.6% 46,111 46,987
20% 19.7% 30,740 30,282
10% 9.9% 15,370 15,146
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 11,354,198 1,016
Payment 11,354,198
Order Status 1,135,420
Delivery 1,135,420
Stock Level 1,135,421
Customer Report 11,354,193
Calibration 2 New Order 11,185,521 1,015
Payment 11,185,521
Order Status 1,118,552
Delivery 1,118,552
Stock Level 1,118,551
Customer Report 11,185,519
Calibration 3 New Order 11,171,326 1,016
Payment 11,171,321
Order Status 1,117,133
Delivery 1,117,131
Stock Level 1,117,132
Customer Report 11,171,319
100% 99.7% New Order 11,147,499 1,015
Payment 11,147,499
Order Status 1,114,749
Delivery 1,114,750
Stock Level 1,114,752
Customer Report 11,147,501
90% 90.6% New Order 10,126,592 1,016
Payment 10,126,595
Order Status 1,012,657
Delivery 1,012,659
Stock Level 1,012,660
Customer Report 10,126,586
80% 79.9% New Order 8,928,719 1,016
Payment 8,928,717
Order Status 892,872
Delivery 892,872
Stock Level 892,871
Customer Report 8,928,721
70% 70.5% New Order 7,882,699 1,016
Payment 7,882,696
Order Status 788,269
Delivery 788,270
Stock Level 788,271
Customer Report 7,882,696
60% 59.9% New Order 6,699,371 1,015
Payment 6,699,371
Order Status 669,936
Delivery 669,937
Stock Level 669,938
Customer Report 6,699,374
50% 49.6% New Order 5,540,254 1,015
Payment 5,540,248
Order Status 554,026
Delivery 554,024
Stock Level 554,025
Customer Report 5,540,252
40% 39.9% New Order 4,458,140 1,015
Payment 4,458,144
Order Status 445,814
Delivery 445,815
Stock Level 445,813
Customer Report 4,458,146
30% 30.6% New Order 3,417,238 1,016
Payment 3,417,242
Order Status 341,723
Delivery 341,725
Stock Level 341,723
Customer Report 3,417,239
20% 19.7% New Order 2,202,296 1,014
Payment 2,202,294
Order Status 220,230
Delivery 220,230
Stock Level 220,228
Customer Report 2,202,296
10% 9.9% New Order 1,101,515 1,015
Payment 1,101,515
Order Status 110,152
Delivery 110,150
Stock Level 110,151
Customer Report 1,101,517
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0