Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 200,035
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     208,916
Calibration 2     201,561
Calibration 3     200,408
ssj_ops@calibrated=200,984
100% 99.5% 200,984 200,035
90% 90.2% 180,886 181,379
80% 79.6% 160,788 160,031
70% 69.7% 140,689 140,090
60% 60.9% 120,591 122,413
50% 50.2% 100,492 100,984
40% 39.6% 80,394 79,665
30% 30.1% 60,295 60,510
20% 20.0% 40,197 40,112
10% 10.2% 20,098 20,459
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 15,198,709 1,494
Payment 15,198,707
Order Status 1,519,872
Delivery 1,519,869
Stock Level 1,519,869
Customer Report 15,198,706
Calibration 2 New Order 14,660,784 1,494
Payment 14,660,779
Order Status 1,466,078
Delivery 1,466,077
Stock Level 1,466,077
Customer Report 14,660,784
Calibration 3 New Order 14,576,997 1,494
Payment 14,576,995
Order Status 1,457,699
Delivery 1,457,699
Stock Level 1,457,700
Customer Report 14,576,995
100% 99.5% New Order 14,549,181 1,494
Payment 14,549,180
Order Status 1,454,919
Delivery 1,454,919
Stock Level 1,454,919
Customer Report 14,549,186
90% 90.2% New Order 13,191,335 1,494
Payment 13,191,334
Order Status 1,319,132
Delivery 1,319,133
Stock Level 1,319,133
Customer Report 13,191,333
80% 79.6% New Order 11,640,089 1,494
Payment 11,640,095
Order Status 1,164,009
Delivery 1,164,009
Stock Level 1,164,009
Customer Report 11,640,098
70% 69.7% New Order 10,188,535 1,494
Payment 10,188,536
Order Status 1,018,853
Delivery 1,018,854
Stock Level 1,018,853
Customer Report 10,188,535
60% 60.9% New Order 8,902,772 1,494
Payment 8,902,774
Order Status 890,278
Delivery 890,278
Stock Level 890,277
Customer Report 8,902,769
50% 50.2% New Order 7,344,572 1,494
Payment 7,344,579
Order Status 734,458
Delivery 734,457
Stock Level 734,457
Customer Report 7,344,577
40% 39.6% New Order 5,793,949 1,494
Payment 5,793,951
Order Status 579,395
Delivery 579,395
Stock Level 579,395
Customer Report 5,793,948
30% 30.1% New Order 4,401,015 1,494
Payment 4,401,015
Order Status 440,102
Delivery 440,100
Stock Level 440,099
Customer Report 4,401,014
20% 20.0% New Order 2,917,392 1,494
Payment 2,917,390
Order Status 291,739
Delivery 291,740
Stock Level 291,740
Customer Report 2,917,394
10% 10.2% New Order 1,488,001 1,494
Payment 1,488,001
Order Status 148,800
Delivery 148,798
Stock Level 148,802
Customer Report 1,488,006
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0