Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 200,249
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     201,666
Calibration 2     200,887
Calibration 3     199,956
ssj_ops@calibrated=200,421
100% 99.9% 200,421 200,249
90% 89.3% 180,379 179,013
80% 80.3% 160,337 160,904
70% 69.5% 140,295 139,235
60% 59.5% 120,253 119,225
50% 50.0% 100,211 100,300
40% 40.7% 80,169 81,634
30% 29.8% 60,126 59,686
20% 20.0% 40,084 40,170
10% 9.8% 20,042 19,687
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 14,670,537 1,494
Payment 14,670,534
Order Status 1,467,054
Delivery 1,467,052
Stock Level 1,467,054
Customer Report 14,670,539
Calibration 2 New Order 14,611,788 1,494
Payment 14,611,787
Order Status 1,461,178
Delivery 1,461,179
Stock Level 1,461,179
Customer Report 14,611,786
Calibration 3 New Order 14,544,141 1,494
Payment 14,544,143
Order Status 1,454,414
Delivery 1,454,415
Stock Level 1,454,413
Customer Report 14,544,143
100% 99.9% New Order 14,563,933 1,494
Payment 14,563,937
Order Status 1,456,394
Delivery 1,456,393
Stock Level 1,456,393
Customer Report 14,563,937
90% 89.3% New Order 13,019,634 1,494
Payment 13,019,637
Order Status 1,301,963
Delivery 1,301,964
Stock Level 1,301,964
Customer Report 13,019,637
80% 80.3% New Order 11,704,218 1,494
Payment 11,704,221
Order Status 1,170,422
Delivery 1,170,423
Stock Level 1,170,421
Customer Report 11,704,226
70% 69.5% New Order 10,127,368 1,494
Payment 10,127,372
Order Status 1,012,737
Delivery 1,012,736
Stock Level 1,012,736
Customer Report 10,127,375
60% 59.5% New Order 8,671,006 1,494
Payment 8,671,004
Order Status 867,101
Delivery 867,101
Stock Level 867,099
Customer Report 8,671,005
50% 50.0% New Order 7,295,144 1,494
Payment 7,295,151
Order Status 729,515
Delivery 729,516
Stock Level 729,517
Customer Report 7,295,146
40% 40.7% New Order 5,937,369 1,494
Payment 5,937,366
Order Status 593,735
Delivery 593,736
Stock Level 593,736
Customer Report 5,937,362
30% 29.8% New Order 4,341,005 1,494
Payment 4,341,007
Order Status 434,101
Delivery 434,101
Stock Level 434,101
Customer Report 4,341,009
20% 20.0% New Order 2,921,490 1,494
Payment 2,921,489
Order Status 292,149
Delivery 292,150
Stock Level 292,148
Customer Report 2,921,490
10% 9.8% New Order 1,431,821 1,494
Payment 1,431,819
Order Status 143,182
Delivery 143,182
Stock Level 143,181
Customer Report 1,431,815
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0