Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 208,736
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     209,509
Calibration 2     209,381
Calibration 3     209,259
ssj_ops@calibrated=209,320
100% 99.7% 209,320 208,736
90% 90.2% 188,388 188,835
80% 80.2% 167,456 167,783
70% 70.1% 146,524 146,754
60% 60.1% 125,592 125,841
50% 49.8% 104,660 104,249
40% 40.3% 83,728 84,459
30% 29.7% 62,796 62,155
20% 20.0% 41,864 41,899
10% 10.0% 20,932 21,004
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 15,239,411 1,494
Payment 15,239,410
Order Status 1,523,941
Delivery 1,523,941
Stock Level 1,523,940
Customer Report 15,239,407
Calibration 2 New Order 15,227,926 1,494
Payment 15,227,929
Order Status 1,522,793
Delivery 1,522,793
Stock Level 1,522,793
Customer Report 15,227,929
Calibration 3 New Order 15,218,878 1,494
Payment 15,218,879
Order Status 1,521,888
Delivery 1,521,888
Stock Level 1,521,886
Customer Report 15,218,879
100% 99.7% New Order 15,181,904 1,494
Payment 15,181,906
Order Status 1,518,192
Delivery 1,518,189
Stock Level 1,518,191
Customer Report 15,181,901
90% 90.2% New Order 13,734,656 1,494
Payment 13,734,656
Order Status 1,373,466
Delivery 1,373,465
Stock Level 1,373,466
Customer Report 13,734,657
80% 80.2% New Order 12,203,967 1,494
Payment 12,203,970
Order Status 1,220,395
Delivery 1,220,395
Stock Level 1,220,396
Customer Report 12,203,966
70% 70.1% New Order 10,673,337 1,494
Payment 10,673,333
Order Status 1,067,332
Delivery 1,067,333
Stock Level 1,067,333
Customer Report 10,673,332
60% 60.1% New Order 9,152,736 1,494
Payment 9,152,739
Order Status 915,274
Delivery 915,273
Stock Level 915,274
Customer Report 9,152,742
50% 49.8% New Order 7,581,835 1,494
Payment 7,581,838
Order Status 758,184
Delivery 758,184
Stock Level 758,185
Customer Report 7,581,838
40% 40.3% New Order 6,142,729 1,494
Payment 6,142,729
Order Status 614,272
Delivery 614,273
Stock Level 614,273
Customer Report 6,142,724
30% 29.7% New Order 4,520,569 1,494
Payment 4,520,567
Order Status 452,055
Delivery 452,057
Stock Level 452,055
Customer Report 4,520,560
20% 20.0% New Order 3,047,338 1,494
Payment 3,047,330
Order Status 304,733
Delivery 304,733
Stock Level 304,734
Customer Report 3,047,337
10% 10.0% New Order 1,527,576 1,494
Payment 1,527,575
Order Status 152,758
Delivery 152,757
Stock Level 152,758
Customer Report 1,527,578
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0