Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 206,373
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     208,598
Calibration 2     207,408
Calibration 3     207,712
ssj_ops@calibrated=207,560
100% 99.4% 207,560 206,373
90% 90.3% 186,804 187,388
80% 80.6% 166,048 167,382
70% 70.0% 145,292 145,281
60% 59.9% 124,536 124,250
50% 50.4% 103,780 104,573
40% 39.9% 83,024 82,715
30% 29.8% 62,268 61,830
20% 20.1% 41,512 41,667
10% 10.0% 20,756 20,845
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 15,174,457 1,494
Payment 15,174,460
Order Status 1,517,445
Delivery 1,517,447
Stock Level 1,517,444
Customer Report 15,174,454
Calibration 2 New Order 15,084,720 1,494
Payment 15,084,722
Order Status 1,508,471
Delivery 1,508,471
Stock Level 1,508,472
Customer Report 15,084,725
Calibration 3 New Order 15,106,829 1,494
Payment 15,106,831
Order Status 1,510,683
Delivery 1,510,684
Stock Level 1,510,683
Customer Report 15,106,825
100% 99.4% New Order 15,009,169 1,494
Payment 15,009,163
Order Status 1,500,916
Delivery 1,500,916
Stock Level 1,500,917
Customer Report 15,009,165
90% 90.3% New Order 13,628,271 1,494
Payment 13,628,271
Order Status 1,362,826
Delivery 1,362,826
Stock Level 1,362,825
Customer Report 13,628,271
80% 80.6% New Order 12,174,017 1,494
Payment 12,174,011
Order Status 1,217,402
Delivery 1,217,401
Stock Level 1,217,401
Customer Report 12,174,013
70% 70.0% New Order 10,566,072 1,494
Payment 10,566,067
Order Status 1,056,608
Delivery 1,056,607
Stock Level 1,056,607
Customer Report 10,566,067
60% 59.9% New Order 9,036,667 1,494
Payment 9,036,668
Order Status 903,666
Delivery 903,667
Stock Level 903,668
Customer Report 9,036,666
50% 50.4% New Order 7,605,738 1,494
Payment 7,605,738
Order Status 760,573
Delivery 760,573
Stock Level 760,574
Customer Report 7,605,735
40% 39.9% New Order 6,016,085 1,494
Payment 6,016,084
Order Status 601,608
Delivery 601,607
Stock Level 601,608
Customer Report 6,016,078
30% 29.8% New Order 4,496,971 1,494
Payment 4,496,974
Order Status 449,696
Delivery 449,697
Stock Level 449,697
Customer Report 4,496,968
20% 20.1% New Order 3,030,351 1,494
Payment 3,030,347
Order Status 303,034
Delivery 303,035
Stock Level 303,036
Customer Report 3,030,354
10% 10.0% New Order 1,516,058 1,494
Payment 1,516,061
Order Status 151,607
Delivery 151,606
Stock Level 151,606
Customer Report 1,516,062
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0