Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 196,308
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     196,084
Calibration 2     196,811
Calibration 3     196,731
ssj_ops@calibrated=196,771
100% 99.8% 196,771 196,308
90% 91.2% 177,094 179,527
80% 79.6% 157,417 156,595
70% 70.0% 137,740 137,695
60% 60.4% 118,062 118,912
50% 50.1% 98,385 98,600
40% 40.1% 78,708 78,993
30% 30.2% 59,031 59,432
20% 20.3% 39,354 39,895
10% 10.0% 19,677 19,675
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 14,262,130 1,494
Payment 14,262,132
Order Status 1,426,212
Delivery 1,426,214
Stock Level 1,426,211
Customer Report 14,262,130
Calibration 2 New Order 14,315,397 1,494
Payment 14,315,399
Order Status 1,431,540
Delivery 1,431,539
Stock Level 1,431,539
Customer Report 14,315,399
Calibration 3 New Order 14,309,013 1,494
Payment 14,309,011
Order Status 1,430,901
Delivery 1,430,900
Stock Level 1,430,900
Customer Report 14,309,008
100% 99.8% New Order 14,277,218 1,494
Payment 14,277,221
Order Status 1,427,720
Delivery 1,427,721
Stock Level 1,427,722
Customer Report 14,277,226
90% 91.2% New Order 13,056,700 1,494
Payment 13,056,694
Order Status 1,305,669
Delivery 1,305,668
Stock Level 1,305,671
Customer Report 13,056,699
80% 79.6% New Order 11,388,761 1,494
Payment 11,388,760
Order Status 1,138,877
Delivery 1,138,875
Stock Level 1,138,877
Customer Report 11,388,765
70% 70.0% New Order 10,014,231 1,494
Payment 10,014,230
Order Status 1,001,424
Delivery 1,001,422
Stock Level 1,001,423
Customer Report 10,014,232
60% 60.4% New Order 8,649,354 1,494
Payment 8,649,357
Order Status 864,934
Delivery 864,935
Stock Level 864,936
Customer Report 8,649,361
50% 50.1% New Order 7,170,949 1,494
Payment 7,170,948
Order Status 717,095
Delivery 717,095
Stock Level 717,095
Customer Report 7,170,950
40% 40.1% New Order 5,745,138 1,494
Payment 5,745,136
Order Status 574,514
Delivery 574,514
Stock Level 574,515
Customer Report 5,745,136
30% 30.2% New Order 4,322,420 1,494
Payment 4,322,427
Order Status 432,242
Delivery 432,242
Stock Level 432,241
Customer Report 4,322,427
20% 20.3% New Order 2,901,483 1,494
Payment 2,901,483
Order Status 290,148
Delivery 290,148
Stock Level 290,148
Customer Report 2,901,484
10% 10.0% New Order 1,430,911 1,494
Payment 1,430,905
Order Status 143,091
Delivery 143,091
Stock Level 143,091
Customer Report 1,430,911
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0