Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,252
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     158,678
Calibration 2     156,228
Calibration 3     155,955
ssj_ops@calibrated=156,092
100% 100.1% 156,092 156,252
90% 89.7% 140,483 140,050
80% 79.4% 124,873 123,883
70% 69.8% 109,264 108,959
60% 60.1% 93,655 93,794
50% 49.8% 78,046 77,761
40% 39.9% 62,437 62,223
30% 30.1% 46,828 46,943
20% 19.8% 31,218 30,933
10% 10.2% 15,609 15,898
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 11,540,693 1,014
Payment 11,540,690
Order Status 1,154,069
Delivery 1,154,068
Stock Level 1,154,068
Customer Report 11,540,689
Calibration 2 New Order 11,362,249 1,015
Payment 11,362,246
Order Status 1,136,226
Delivery 1,136,224
Stock Level 1,136,226
Customer Report 11,362,249
Calibration 3 New Order 11,342,208 1,015
Payment 11,342,199
Order Status 1,134,220
Delivery 1,134,220
Stock Level 1,134,219
Customer Report 11,342,200
100% 100.1% New Order 11,363,772 1,014
Payment 11,363,777
Order Status 1,136,377
Delivery 1,136,376
Stock Level 1,136,378
Customer Report 11,363,775
90% 89.7% New Order 10,185,492 1,014
Payment 10,185,488
Order Status 1,018,549
Delivery 1,018,547
Stock Level 1,018,548
Customer Report 10,185,488
80% 79.4% New Order 9,009,854 1,014
Payment 9,009,854
Order Status 900,985
Delivery 900,986
Stock Level 900,986
Customer Report 9,009,855
70% 69.8% New Order 7,924,317 1,015
Payment 7,924,318
Order Status 792,432
Delivery 792,433
Stock Level 792,431
Customer Report 7,924,322
60% 60.1% New Order 6,821,417 1,015
Payment 6,821,418
Order Status 682,142
Delivery 682,144
Stock Level 682,141
Customer Report 6,821,413
50% 49.8% New Order 5,655,371 1,014
Payment 5,655,368
Order Status 565,538
Delivery 565,537
Stock Level 565,536
Customer Report 5,655,363
40% 39.9% New Order 4,525,338 1,014
Payment 4,525,331
Order Status 452,533
Delivery 452,533
Stock Level 452,533
Customer Report 4,525,336
30% 30.1% New Order 3,414,059 1,015
Payment 3,414,060
Order Status 341,406
Delivery 341,408
Stock Level 341,406
Customer Report 3,414,056
20% 19.8% New Order 2,249,701 1,014
Payment 2,249,704
Order Status 224,971
Delivery 224,970
Stock Level 224,971
Customer Report 2,249,705
10% 10.2% New Order 1,156,210 1,014
Payment 1,156,213
Order Status 115,621
Delivery 115,621
Stock Level 115,621
Customer Report 1,156,215
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0