Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 211,116
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     210,976
Calibration 2     211,521
Calibration 3     211,170
ssj_ops@calibrated=211,345
100% 99.9% 211,345 211,116
90% 90.4% 190,211 191,065
80% 80.4% 169,076 169,875
70% 69.4% 147,942 146,659
60% 60.1% 126,807 127,047
50% 50.2% 105,673 106,079
40% 40.1% 84,538 84,707
30% 30.2% 63,404 63,781
20% 20.3% 42,269 42,993
10% 10.0% 21,135 21,129
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 15,345,572 1,494
Payment 15,345,565
Order Status 1,534,556
Delivery 1,534,556
Stock Level 1,534,558
Customer Report 15,345,567
Calibration 2 New Order 15,384,064 1,494
Payment 15,384,069
Order Status 1,538,407
Delivery 1,538,406
Stock Level 1,538,405
Customer Report 15,384,065
Calibration 3 New Order 15,357,888 1,494
Payment 15,357,891
Order Status 1,535,790
Delivery 1,535,790
Stock Level 1,535,788
Customer Report 15,357,892
100% 99.9% New Order 15,354,999 1,494
Payment 15,355,002
Order Status 1,535,500
Delivery 1,535,500
Stock Level 1,535,500
Customer Report 15,355,002
90% 90.4% New Order 13,896,796 1,494
Payment 13,896,799
Order Status 1,389,678
Delivery 1,389,679
Stock Level 1,389,679
Customer Report 13,896,796
80% 80.4% New Order 12,356,134 1,494
Payment 12,356,129
Order Status 1,235,613
Delivery 1,235,613
Stock Level 1,235,613
Customer Report 12,356,133
70% 69.4% New Order 10,666,330 1,494
Payment 10,666,333
Order Status 1,066,633
Delivery 1,066,632
Stock Level 1,066,634
Customer Report 10,666,332
60% 60.1% New Order 9,239,893 1,494
Payment 9,239,891
Order Status 923,989
Delivery 923,989
Stock Level 923,990
Customer Report 9,239,896
50% 50.2% New Order 7,714,838 1,494
Payment 7,714,838
Order Status 771,485
Delivery 771,483
Stock Level 771,485
Customer Report 7,714,840
40% 40.1% New Order 6,160,599 1,494
Payment 6,160,595
Order Status 616,059
Delivery 616,060
Stock Level 616,059
Customer Report 6,160,592
30% 30.2% New Order 4,638,783 1,494
Payment 4,638,783
Order Status 463,878
Delivery 463,880
Stock Level 463,878
Customer Report 4,638,785
20% 20.3% New Order 3,126,821 1,494
Payment 3,126,820
Order Status 312,683
Delivery 312,682
Stock Level 312,681
Customer Report 3,126,816
10% 10.0% New Order 1,536,670 1,494
Payment 1,536,663
Order Status 153,666
Delivery 153,667
Stock Level 153,667
Customer Report 1,536,667
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0