Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 200,357
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     207,982
Calibration 2     202,017
Calibration 3     200,697
ssj_ops@calibrated=201,357
100% 99.5% 201,357 200,357
90% 89.9% 181,221 181,015
80% 79.9% 161,085 160,941
70% 70.1% 140,950 141,054
60% 60.2% 120,814 121,171
50% 50.1% 100,678 100,895
40% 40.0% 80,543 80,642
30% 29.7% 60,407 59,892
20% 19.9% 40,271 39,978
10% 10.0% 20,136 20,083
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 15,129,825 1,494
Payment 15,129,821
Order Status 1,512,982
Delivery 1,512,982
Stock Level 1,512,980
Customer Report 15,129,821
Calibration 2 New Order 14,694,036 1,494
Payment 14,694,035
Order Status 1,469,402
Delivery 1,469,402
Stock Level 1,469,404
Customer Report 14,694,035
Calibration 3 New Order 14,597,577 1,494
Payment 14,597,578
Order Status 1,459,758
Delivery 1,459,759
Stock Level 1,459,757
Customer Report 14,597,574
100% 99.5% New Order 14,573,293 1,494
Payment 14,573,290
Order Status 1,457,329
Delivery 1,457,330
Stock Level 1,457,329
Customer Report 14,573,286
90% 89.9% New Order 13,166,360 1,494
Payment 13,166,356
Order Status 1,316,637
Delivery 1,316,635
Stock Level 1,316,636
Customer Report 13,166,355
80% 79.9% New Order 11,705,662 1,494
Payment 11,705,655
Order Status 1,170,565
Delivery 1,170,566
Stock Level 1,170,564
Customer Report 11,705,652
70% 70.1% New Order 10,258,482 1,494
Payment 10,258,487
Order Status 1,025,847
Delivery 1,025,848
Stock Level 1,025,849
Customer Report 10,258,481
60% 60.2% New Order 8,812,873 1,494
Payment 8,812,875
Order Status 881,287
Delivery 881,287
Stock Level 881,286
Customer Report 8,812,877
50% 50.1% New Order 7,337,993 1,494
Payment 7,337,985
Order Status 733,799
Delivery 733,797
Stock Level 733,798
Customer Report 7,337,987
40% 40.0% New Order 5,865,303 1,494
Payment 5,865,302
Order Status 586,529
Delivery 586,530
Stock Level 586,531
Customer Report 5,865,304
30% 29.7% New Order 4,356,001 1,494
Payment 4,356,001
Order Status 435,600
Delivery 435,601
Stock Level 435,600
Customer Report 4,356,003
20% 19.9% New Order 2,907,524 1,494
Payment 2,907,526
Order Status 290,752
Delivery 290,752
Stock Level 290,753
Customer Report 2,907,521
10% 10.0% New Order 1,460,572 1,494
Payment 1,460,568
Order Status 146,056
Delivery 146,057
Stock Level 146,057
Customer Report 1,460,571
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0