Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 207,020
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     208,011
Calibration 2     207,977
Calibration 3     208,057
ssj_ops@calibrated=208,017
100% 99.5% 208,017 207,020
90% 90.2% 187,215 187,622
80% 80.1% 166,414 166,713
70% 69.9% 145,612 145,305
60% 60.4% 124,810 125,550
50% 50.0% 104,009 104,112
40% 39.8% 83,207 82,688
30% 30.2% 62,405 62,801
20% 20.3% 41,603 42,132
10% 10.3% 20,802 21,366
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 15,131,392 1,494
Payment 15,131,387
Order Status 1,513,138
Delivery 1,513,140
Stock Level 1,513,139
Customer Report 15,131,385
Calibration 2 New Order 15,126,397 1,494
Payment 15,126,389
Order Status 1,512,640
Delivery 1,512,640
Stock Level 1,512,638
Customer Report 15,126,394
Calibration 3 New Order 15,131,756 1,494
Payment 15,131,756
Order Status 1,513,175
Delivery 1,513,175
Stock Level 1,513,176
Customer Report 15,131,756
100% 99.5% New Order 15,057,185 1,494
Payment 15,057,182
Order Status 1,505,719
Delivery 1,505,720
Stock Level 1,505,718
Customer Report 15,057,187
90% 90.2% New Order 13,645,431 1,494
Payment 13,645,433
Order Status 1,364,543
Delivery 1,364,545
Stock Level 1,364,544
Customer Report 13,645,434
80% 80.1% New Order 12,125,174 1,494
Payment 12,125,169
Order Status 1,212,517
Delivery 1,212,517
Stock Level 1,212,515
Customer Report 12,125,169
70% 69.9% New Order 10,567,771 1,494
Payment 10,567,774
Order Status 1,056,779
Delivery 1,056,778
Stock Level 1,056,777
Customer Report 10,567,773
60% 60.4% New Order 9,131,030 1,494
Payment 9,131,026
Order Status 913,103
Delivery 913,101
Stock Level 913,103
Customer Report 9,131,024
50% 50.0% New Order 7,572,115 1,494
Payment 7,572,123
Order Status 757,212
Delivery 757,212
Stock Level 757,213
Customer Report 7,572,125
40% 39.8% New Order 6,014,052 1,494
Payment 6,014,051
Order Status 601,405
Delivery 601,404
Stock Level 601,406
Customer Report 6,014,048
30% 30.2% New Order 4,567,569 1,494
Payment 4,567,571
Order Status 456,758
Delivery 456,758
Stock Level 456,757
Customer Report 4,567,569
20% 20.3% New Order 3,064,186 1,494
Payment 3,064,193
Order Status 306,419
Delivery 306,419
Stock Level 306,419
Customer Report 3,064,188
10% 10.3% New Order 1,553,938 1,494
Payment 1,553,938
Order Status 155,395
Delivery 155,394
Stock Level 155,394
Customer Report 1,553,941
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0