Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,084
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     206,386
Calibration 2     199,196
Calibration 3     198,318
ssj_ops@calibrated=198,757
100% 99.2% 198,757 197,084
90% 89.9% 178,881 178,719
80% 79.2% 159,006 157,401
70% 70.2% 139,130 139,443
60% 60.2% 119,254 119,680
50% 50.0% 99,379 99,383
40% 39.7% 79,503 78,912
30% 29.9% 59,627 59,450
20% 20.0% 39,751 39,762
10% 9.9% 19,876 19,651
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 15,013,731 1,494
Payment 15,013,735
Order Status 1,501,372
Delivery 1,501,372
Stock Level 1,501,374
Customer Report 15,013,728
Calibration 2 New Order 14,487,688 1,494
Payment 14,487,692
Order Status 1,448,768
Delivery 1,448,769
Stock Level 1,448,769
Customer Report 14,487,690
Calibration 3 New Order 14,424,482 1,494
Payment 14,424,481
Order Status 1,442,447
Delivery 1,442,448
Stock Level 1,442,449
Customer Report 14,424,485
100% 99.2% New Order 14,333,818 1,494
Payment 14,333,817
Order Status 1,433,381
Delivery 1,433,382
Stock Level 1,433,381
Customer Report 14,333,825
90% 89.9% New Order 12,997,878 1,494
Payment 12,997,879
Order Status 1,299,788
Delivery 1,299,788
Stock Level 1,299,787
Customer Report 12,997,883
80% 79.2% New Order 11,448,003 1,494
Payment 11,448,004
Order Status 1,144,800
Delivery 1,144,800
Stock Level 1,144,801
Customer Report 11,448,004
70% 70.2% New Order 10,142,062 1,494
Payment 10,142,063
Order Status 1,014,206
Delivery 1,014,206
Stock Level 1,014,206
Customer Report 10,142,059
60% 60.2% New Order 8,704,441 1,494
Payment 8,704,440
Order Status 870,444
Delivery 870,444
Stock Level 870,444
Customer Report 8,704,443
50% 50.0% New Order 7,227,973 1,494
Payment 7,227,977
Order Status 722,798
Delivery 722,797
Stock Level 722,798
Customer Report 7,227,976
40% 39.7% New Order 5,739,120 1,494
Payment 5,739,121
Order Status 573,913
Delivery 573,911
Stock Level 573,913
Customer Report 5,739,124
30% 29.9% New Order 4,323,895 1,494
Payment 4,323,895
Order Status 432,389
Delivery 432,389
Stock Level 432,390
Customer Report 4,323,892
20% 20.0% New Order 2,891,901 1,494
Payment 2,891,897
Order Status 289,190
Delivery 289,191
Stock Level 289,189
Customer Report 2,891,897
10% 9.9% New Order 1,429,187 1,494
Payment 1,429,195
Order Status 142,919
Delivery 142,920
Stock Level 142,919
Customer Report 1,429,194
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0