Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,360
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     209,316
Calibration 2     197,388
Calibration 3     196,928
ssj_ops@calibrated=197,158
100% 98.6% 197,158 194,360
90% 89.9% 177,442 177,218
80% 80.4% 157,727 158,581
70% 69.6% 138,011 137,288
60% 60.1% 118,295 118,413
50% 49.9% 98,579 98,372
40% 39.9% 78,863 78,751
30% 29.8% 59,147 58,666
20% 20.2% 39,432 39,740
10% 10.0% 19,716 19,662
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 15,226,087 1,494
Payment 15,226,088
Order Status 1,522,608
Delivery 1,522,609
Stock Level 1,522,610
Customer Report 15,226,082
Calibration 2 New Order 14,357,418 1,494
Payment 14,357,416
Order Status 1,435,743
Delivery 1,435,742
Stock Level 1,435,741
Customer Report 14,357,421
Calibration 3 New Order 14,323,893 1,494
Payment 14,323,891
Order Status 1,432,388
Delivery 1,432,389
Stock Level 1,432,388
Customer Report 14,323,894
100% 98.6% New Order 14,137,191 1,494
Payment 14,137,193
Order Status 1,413,719
Delivery 1,413,719
Stock Level 1,413,720
Customer Report 14,137,193
90% 89.9% New Order 12,889,962 1,494
Payment 12,889,965
Order Status 1,288,997
Delivery 1,288,996
Stock Level 1,288,996
Customer Report 12,889,966
80% 80.4% New Order 11,533,563 1,494
Payment 11,533,562
Order Status 1,153,356
Delivery 1,153,356
Stock Level 1,153,356
Customer Report 11,533,565
70% 69.6% New Order 9,984,658 1,494
Payment 9,984,656
Order Status 998,464
Delivery 998,466
Stock Level 998,467
Customer Report 9,984,650
60% 60.1% New Order 8,612,420 1,494
Payment 8,612,412
Order Status 861,242
Delivery 861,242
Stock Level 861,242
Customer Report 8,612,412
50% 49.9% New Order 7,155,373 1,494
Payment 7,155,371
Order Status 715,538
Delivery 715,538
Stock Level 715,538
Customer Report 7,155,376
40% 39.9% New Order 5,727,839 1,494
Payment 5,727,837
Order Status 572,784
Delivery 572,782
Stock Level 572,784
Customer Report 5,727,840
30% 29.8% New Order 4,266,660 1,494
Payment 4,266,666
Order Status 426,667
Delivery 426,666
Stock Level 426,666
Customer Report 4,266,661
20% 20.2% New Order 2,890,363 1,494
Payment 2,890,363
Order Status 289,035
Delivery 289,037
Stock Level 289,037
Customer Report 2,890,364
10% 10.0% New Order 1,429,997 1,494
Payment 1,429,998
Order Status 143,001
Delivery 143,000
Stock Level 142,999
Customer Report 1,430,005
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0