Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,621
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     201,762
Calibration 2     194,872
Calibration 3     192,350
ssj_ops@calibrated=193,611
100% 100.0% 193,611 193,621
90% 89.3% 174,250 172,935
80% 80.5% 154,889 155,771
70% 69.9% 135,528 135,313
60% 60.3% 116,167 116,792
50% 49.8% 96,805 96,444
40% 40.1% 77,444 77,647
30% 30.1% 58,083 58,368
20% 20.0% 38,722 38,650
10% 9.9% 19,361 19,174
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 14,675,549 1,494
Payment 14,675,550
Order Status 1,467,555
Delivery 1,467,556
Stock Level 1,467,555
Customer Report 14,675,549
Calibration 2 New Order 14,172,855 1,494
Payment 14,172,859
Order Status 1,417,286
Delivery 1,417,285
Stock Level 1,417,285
Customer Report 14,172,857
Calibration 3 New Order 13,990,728 1,494
Payment 13,990,734
Order Status 1,399,073
Delivery 1,399,074
Stock Level 1,399,073
Customer Report 13,990,728
100% 100.0% New Order 14,083,818 1,494
Payment 14,083,819
Order Status 1,408,383
Delivery 1,408,381
Stock Level 1,408,382
Customer Report 14,083,821
90% 89.3% New Order 12,577,249 1,494
Payment 12,577,251
Order Status 1,257,725
Delivery 1,257,725
Stock Level 1,257,725
Customer Report 12,577,247
80% 80.5% New Order 11,329,339 1,494
Payment 11,329,345
Order Status 1,132,935
Delivery 1,132,935
Stock Level 1,132,934
Customer Report 11,329,345
70% 69.9% New Order 9,841,003 1,494
Payment 9,841,003
Order Status 984,101
Delivery 984,101
Stock Level 984,101
Customer Report 9,841,004
60% 60.3% New Order 8,494,017 1,494
Payment 8,494,022
Order Status 849,401
Delivery 849,401
Stock Level 849,402
Customer Report 8,494,019
50% 49.8% New Order 7,014,302 1,494
Payment 7,014,307
Order Status 701,431
Delivery 701,430
Stock Level 701,430
Customer Report 7,014,303
40% 40.1% New Order 5,647,053 1,494
Payment 5,647,055
Order Status 564,706
Delivery 564,707
Stock Level 564,704
Customer Report 5,647,048
30% 30.1% New Order 4,245,228 1,494
Payment 4,245,228
Order Status 424,521
Delivery 424,521
Stock Level 424,523
Customer Report 4,245,221
20% 20.0% New Order 2,810,909 1,494
Payment 2,810,914
Order Status 281,092
Delivery 281,092
Stock Level 281,090
Customer Report 2,810,908
10% 9.9% New Order 1,394,509 1,494
Payment 1,394,514
Order Status 139,451
Delivery 139,451
Stock Level 139,451
Customer Report 1,394,514
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0