Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 202,585
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     203,734
Calibration 2     202,980
Calibration 3     203,062
ssj_ops@calibrated=203,021
100% 99.8% 203,021 202,585
90% 90.0% 182,719 182,670
80% 79.8% 162,417 161,955
70% 70.2% 142,114 142,609
60% 59.8% 121,812 121,386
50% 50.2% 101,510 101,967
40% 39.7% 81,208 80,548
30% 29.9% 60,906 60,630
20% 20.2% 40,604 40,924
10% 9.9% 20,302 20,190
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 14,819,922 1,494
Payment 14,819,922
Order Status 1,481,993
Delivery 1,481,993
Stock Level 1,481,992
Customer Report 14,819,927
Calibration 2 New Order 14,762,751 1,494
Payment 14,762,749
Order Status 1,476,275
Delivery 1,476,275
Stock Level 1,476,276
Customer Report 14,762,752
Calibration 3 New Order 14,770,131 1,494
Payment 14,770,131
Order Status 1,477,012
Delivery 1,477,012
Stock Level 1,477,013
Customer Report 14,770,127
100% 99.8% New Order 14,734,936 1,494
Payment 14,734,936
Order Status 1,473,495
Delivery 1,473,494
Stock Level 1,473,493
Customer Report 14,734,938
90% 90.0% New Order 13,285,251 1,494
Payment 13,285,249
Order Status 1,328,525
Delivery 1,328,526
Stock Level 1,328,525
Customer Report 13,285,250
80% 79.8% New Order 11,779,265 1,494
Payment 11,779,264
Order Status 1,177,927
Delivery 1,177,927
Stock Level 1,177,927
Customer Report 11,779,264
70% 70.2% New Order 10,371,908 1,494
Payment 10,371,910
Order Status 1,037,191
Delivery 1,037,191
Stock Level 1,037,191
Customer Report 10,371,905
60% 59.8% New Order 8,828,437 1,494
Payment 8,828,437
Order Status 882,843
Delivery 882,844
Stock Level 882,844
Customer Report 8,828,437
50% 50.2% New Order 7,415,767 1,494
Payment 7,415,769
Order Status 741,578
Delivery 741,577
Stock Level 741,578
Customer Report 7,415,769
40% 39.7% New Order 5,858,168 1,494
Payment 5,858,168
Order Status 585,815
Delivery 585,816
Stock Level 585,816
Customer Report 5,858,169
30% 29.9% New Order 4,409,611 1,494
Payment 4,409,611
Order Status 440,960
Delivery 440,961
Stock Level 440,960
Customer Report 4,409,617
20% 20.2% New Order 2,976,361 1,494
Payment 2,976,364
Order Status 297,637
Delivery 297,636
Stock Level 297,636
Customer Report 2,976,368
10% 9.9% New Order 1,468,365 1,494
Payment 1,468,366
Order Status 146,835
Delivery 146,837
Stock Level 146,836
Customer Report 1,468,361
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0