Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 190,329
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     193,110
Calibration 2     190,641
Calibration 3     190,513
ssj_ops@calibrated=190,577
100% 99.9% 190,577 190,329
90% 90.1% 171,520 171,644
80% 80.0% 152,462 152,477
70% 70.0% 133,404 133,413
60% 59.6% 114,346 113,554
50% 50.6% 95,289 96,377
40% 40.1% 76,231 76,490
30% 30.2% 57,173 57,513
20% 20.1% 38,115 38,268
10% 9.9% 19,058 18,899
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,046,821 1,494
Payment 14,046,822
Order Status 1,404,683
Delivery 1,404,681
Stock Level 1,404,681
Customer Report 14,046,822
Calibration 2 New Order 13,866,527 1,494
Payment 13,866,522
Order Status 1,386,652
Delivery 1,386,653
Stock Level 1,386,653
Customer Report 13,866,526
Calibration 3 New Order 13,856,967 1,494
Payment 13,856,969
Order Status 1,385,697
Delivery 1,385,695
Stock Level 1,385,696
Customer Report 13,856,960
100% 99.9% New Order 13,842,623 1,494
Payment 13,842,622
Order Status 1,384,261
Delivery 1,384,263
Stock Level 1,384,262
Customer Report 13,842,622
90% 90.1% New Order 12,483,498 1,494
Payment 12,483,500
Order Status 1,248,348
Delivery 1,248,349
Stock Level 1,248,349
Customer Report 12,483,494
80% 80.0% New Order 11,089,802 1,494
Payment 11,089,804
Order Status 1,108,980
Delivery 1,108,980
Stock Level 1,108,979
Customer Report 11,089,798
70% 70.0% New Order 9,703,099 1,494
Payment 9,703,102
Order Status 970,311
Delivery 970,309
Stock Level 970,311
Customer Report 9,703,101
60% 59.6% New Order 8,258,503 1,494
Payment 8,258,504
Order Status 825,851
Delivery 825,851
Stock Level 825,850
Customer Report 8,258,502
50% 50.6% New Order 7,009,235 1,494
Payment 7,009,235
Order Status 700,924
Delivery 700,923
Stock Level 700,924
Customer Report 7,009,237
40% 40.1% New Order 5,562,973 1,494
Payment 5,562,980
Order Status 556,298
Delivery 556,297
Stock Level 556,298
Customer Report 5,562,978
30% 30.2% New Order 4,183,366 1,494
Payment 4,183,371
Order Status 418,338
Delivery 418,337
Stock Level 418,338
Customer Report 4,183,372
20% 20.1% New Order 2,783,179 1,494
Payment 2,783,178
Order Status 278,319
Delivery 278,317
Stock Level 278,318
Customer Report 2,783,181
10% 9.9% New Order 1,374,557 1,494
Payment 1,374,559
Order Status 137,455
Delivery 137,456
Stock Level 137,455
Customer Report 1,374,558
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0