Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 159,005
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     161,519
Calibration 2     159,087
Calibration 3     158,902
ssj_ops@calibrated=158,995
100% 100.0% 158,995 159,005
90% 89.7% 143,095 142,561
80% 80.4% 127,196 127,779
70% 70.0% 111,296 111,276
60% 60.4% 95,397 96,085
50% 49.5% 79,497 78,690
40% 39.7% 63,598 63,067
30% 30.2% 47,698 47,977
20% 20.5% 31,799 32,637
10% 10.1% 15,899 16,104
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 11,747,007 1,016
Payment 11,747,004
Order Status 1,174,700
Delivery 1,174,700
Stock Level 1,174,701
Customer Report 11,747,003
Calibration 2 New Order 11,569,983 1,014
Payment 11,569,980
Order Status 1,156,998
Delivery 1,156,999
Stock Level 1,156,998
Customer Report 11,569,983
Calibration 3 New Order 11,556,540 1,016
Payment 11,556,543
Order Status 1,155,655
Delivery 1,155,655
Stock Level 1,155,654
Customer Report 11,556,541
100% 100.0% New Order 11,564,029 1,015
Payment 11,564,029
Order Status 1,156,403
Delivery 1,156,402
Stock Level 1,156,402
Customer Report 11,564,029
90% 89.7% New Order 10,368,058 1,016
Payment 10,368,056
Order Status 1,036,806
Delivery 1,036,807
Stock Level 1,036,807
Customer Report 10,368,060
80% 80.4% New Order 9,293,051 1,015
Payment 9,293,056
Order Status 929,305
Delivery 929,305
Stock Level 929,304
Customer Report 9,293,052
70% 70.0% New Order 8,092,836 1,015
Payment 8,092,835
Order Status 809,284
Delivery 809,284
Stock Level 809,283
Customer Report 8,092,833
60% 60.4% New Order 6,988,059 1,016
Payment 6,988,057
Order Status 698,805
Delivery 698,807
Stock Level 698,806
Customer Report 6,988,056
50% 49.5% New Order 5,722,946 1,015
Payment 5,722,949
Order Status 572,294
Delivery 572,293
Stock Level 572,295
Customer Report 5,722,950
40% 39.7% New Order 4,586,700 1,015
Payment 4,586,702
Order Status 458,670
Delivery 458,670
Stock Level 458,670
Customer Report 4,586,703
30% 30.2% New Order 3,489,207 1,015
Payment 3,489,215
Order Status 348,921
Delivery 348,921
Stock Level 348,921
Customer Report 3,489,208
20% 20.5% New Order 2,373,618 1,014
Payment 2,373,616
Order Status 237,362
Delivery 237,362
Stock Level 237,362
Customer Report 2,373,617
10% 10.1% New Order 1,171,216 1,014
Payment 1,171,216
Order Status 117,121
Delivery 117,120
Stock Level 117,122
Customer Report 1,171,205
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0