Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 208,420
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     209,096
Calibration 2     209,573
Calibration 3     209,683
ssj_ops@calibrated=209,628
100% 99.4% 209,628 208,420
90% 89.9% 188,665 188,388
80% 80.1% 167,702 167,947
70% 69.5% 146,740 145,599
60% 60.3% 125,777 126,491
50% 50.2% 104,814 105,253
40% 40.4% 83,851 84,707
30% 30.0% 62,888 62,939
20% 20.0% 41,926 41,857
10% 10.0% 20,963 21,066
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 15,210,587 1,494
Payment 15,210,587
Order Status 1,521,058
Delivery 1,521,059
Stock Level 1,521,058
Customer Report 15,210,587
Calibration 2 New Order 15,242,363 1,494
Payment 15,242,362
Order Status 1,524,237
Delivery 1,524,237
Stock Level 1,524,237
Customer Report 15,242,360
Calibration 3 New Order 15,250,078 1,494
Payment 15,250,081
Order Status 1,525,007
Delivery 1,525,007
Stock Level 1,525,008
Customer Report 15,250,078
100% 99.4% New Order 15,159,074 1,494
Payment 15,159,074
Order Status 1,515,906
Delivery 1,515,908
Stock Level 1,515,908
Customer Report 15,159,071
90% 89.9% New Order 13,701,158 1,494
Payment 13,701,161
Order Status 1,370,116
Delivery 1,370,115
Stock Level 1,370,118
Customer Report 13,701,160
80% 80.1% New Order 12,214,460 1,494
Payment 12,214,460
Order Status 1,221,446
Delivery 1,221,446
Stock Level 1,221,447
Customer Report 12,214,459
70% 69.5% New Order 10,589,244 1,494
Payment 10,589,244
Order Status 1,058,924
Delivery 1,058,926
Stock Level 1,058,925
Customer Report 10,589,243
60% 60.3% New Order 9,199,376 1,494
Payment 9,199,376
Order Status 919,939
Delivery 919,939
Stock Level 919,937
Customer Report 9,199,380
50% 50.2% New Order 7,654,855 1,494
Payment 7,654,856
Order Status 765,486
Delivery 765,484
Stock Level 765,486
Customer Report 7,654,855
40% 40.4% New Order 6,160,554 1,494
Payment 6,160,551
Order Status 616,056
Delivery 616,056
Stock Level 616,057
Customer Report 6,160,558
30% 30.0% New Order 4,577,575 1,494
Payment 4,577,576
Order Status 457,757
Delivery 457,758
Stock Level 457,757
Customer Report 4,577,577
20% 20.0% New Order 3,044,208 1,494
Payment 3,044,212
Order Status 304,421
Delivery 304,423
Stock Level 304,421
Customer Report 3,044,206
10% 10.0% New Order 1,532,120 1,494
Payment 1,532,125
Order Status 153,211
Delivery 153,212
Stock Level 153,211
Customer Report 1,532,122
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0