Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 187,546
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     190,628
Calibration 2     187,872
Calibration 3     187,108
ssj_ops@calibrated=187,490
100% 100.0% 187,490 187,546
90% 90.2% 168,741 169,172
80% 80.4% 149,992 150,777
70% 70.5% 131,243 132,188
60% 60.1% 112,494 112,606
50% 49.9% 93,745 93,616
40% 39.7% 74,996 74,379
30% 30.6% 56,247 57,357
20% 19.8% 37,498 37,108
10% 10.4% 18,749 19,423
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 13,867,086 1,494
Payment 13,867,092
Order Status 1,386,708
Delivery 1,386,708
Stock Level 1,386,708
Customer Report 13,867,087
Calibration 2 New Order 13,664,601 1,494
Payment 13,664,604
Order Status 1,366,460
Delivery 1,366,460
Stock Level 1,366,461
Customer Report 13,664,602
Calibration 3 New Order 13,609,638 1,494
Payment 13,609,638
Order Status 1,360,962
Delivery 1,360,965
Stock Level 1,360,964
Customer Report 13,609,638
100% 100.0% New Order 13,640,698 1,494
Payment 13,640,696
Order Status 1,364,070
Delivery 1,364,068
Stock Level 1,364,069
Customer Report 13,640,697
90% 90.2% New Order 12,304,891 1,494
Payment 12,304,894
Order Status 1,230,489
Delivery 1,230,489
Stock Level 1,230,489
Customer Report 12,304,892
80% 80.4% New Order 10,966,263 1,494
Payment 10,966,262
Order Status 1,096,626
Delivery 1,096,626
Stock Level 1,096,627
Customer Report 10,966,262
70% 70.5% New Order 9,614,122 1,494
Payment 9,614,116
Order Status 961,413
Delivery 961,413
Stock Level 961,411
Customer Report 9,614,115
60% 60.1% New Order 8,189,564 1,494
Payment 8,189,560
Order Status 818,956
Delivery 818,957
Stock Level 818,955
Customer Report 8,189,564
50% 49.9% New Order 6,809,132 1,494
Payment 6,809,134
Order Status 680,912
Delivery 680,912
Stock Level 680,915
Customer Report 6,809,137
40% 39.7% New Order 5,409,892 1,494
Payment 5,409,892
Order Status 540,988
Delivery 540,987
Stock Level 540,990
Customer Report 5,409,890
30% 30.6% New Order 4,171,698 1,494
Payment 4,171,693
Order Status 417,168
Delivery 417,171
Stock Level 417,170
Customer Report 4,171,688
20% 19.8% New Order 2,698,789 1,494
Payment 2,698,790
Order Status 269,879
Delivery 269,880
Stock Level 269,880
Customer Report 2,698,790
10% 10.4% New Order 1,412,653 1,494
Payment 1,412,656
Order Status 141,265
Delivery 141,265
Stock Level 141,267
Customer Report 1,412,654
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0