Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 196,931
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     197,332
Calibration 2     197,544
Calibration 3     197,289
ssj_ops@calibrated=197,416
100% 99.8% 197,416 196,931
90% 89.1% 177,675 175,887
80% 79.4% 157,933 156,678
70% 71.0% 138,191 140,154
60% 59.9% 118,450 118,183
50% 50.4% 98,708 99,485
40% 40.5% 78,967 80,009
30% 30.0% 59,225 59,145
20% 20.0% 39,483 39,495
10% 10.1% 19,742 19,862
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 14,356,505 1,494
Payment 14,356,501
Order Status 1,435,651
Delivery 1,435,651
Stock Level 1,435,650
Customer Report 14,356,501
Calibration 2 New Order 14,366,996 1,494
Payment 14,366,993
Order Status 1,436,699
Delivery 1,436,698
Stock Level 1,436,700
Customer Report 14,367,001
Calibration 3 New Order 14,350,213 1,494
Payment 14,350,213
Order Status 1,435,022
Delivery 1,435,022
Stock Level 1,435,020
Customer Report 14,350,211
100% 99.8% New Order 14,323,912 1,494
Payment 14,323,911
Order Status 1,432,391
Delivery 1,432,391
Stock Level 1,432,391
Customer Report 14,323,919
90% 89.1% New Order 12,792,511 1,494
Payment 12,792,507
Order Status 1,279,251
Delivery 1,279,251
Stock Level 1,279,251
Customer Report 12,792,508
80% 79.4% New Order 11,394,815 1,494
Payment 11,394,815
Order Status 1,139,480
Delivery 1,139,481
Stock Level 1,139,480
Customer Report 11,394,811
70% 71.0% New Order 10,194,056 1,494
Payment 10,194,052
Order Status 1,019,404
Delivery 1,019,406
Stock Level 1,019,405
Customer Report 10,194,057
60% 59.9% New Order 8,595,359 1,494
Payment 8,595,357
Order Status 859,535
Delivery 859,536
Stock Level 859,536
Customer Report 8,595,357
50% 50.4% New Order 7,235,327 1,494
Payment 7,235,321
Order Status 723,533
Delivery 723,533
Stock Level 723,532
Customer Report 7,235,323
40% 40.5% New Order 5,818,925 1,494
Payment 5,818,920
Order Status 581,894
Delivery 581,892
Stock Level 581,891
Customer Report 5,818,914
30% 30.0% New Order 4,301,525 1,494
Payment 4,301,524
Order Status 430,152
Delivery 430,153
Stock Level 430,153
Customer Report 4,301,516
20% 20.0% New Order 2,872,392 1,494
Payment 2,872,400
Order Status 287,240
Delivery 287,240
Stock Level 287,240
Customer Report 2,872,400
10% 10.1% New Order 1,444,545 1,494
Payment 1,444,550
Order Status 144,453
Delivery 144,455
Stock Level 144,455
Customer Report 1,444,553
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0