Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,057
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     191,242
Calibration 2     189,664
Calibration 3     188,982
ssj_ops@calibrated=189,323
100% 99.9% 189,323 189,057
90% 90.3% 170,390 170,912
80% 79.7% 151,458 150,851
70% 69.5% 132,526 131,622
60% 59.9% 113,594 113,376
50% 50.0% 94,661 94,707
40% 39.5% 75,729 74,731
30% 30.1% 56,797 57,036
20% 20.0% 37,865 37,811
10% 9.8% 18,932 18,485
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 13,911,042 1,494
Payment 13,911,048
Order Status 1,391,104
Delivery 1,391,104
Stock Level 1,391,104
Customer Report 13,911,043
Calibration 2 New Order 13,794,197 1,494
Payment 13,794,196
Order Status 1,379,420
Delivery 1,379,420
Stock Level 1,379,419
Customer Report 13,794,199
Calibration 3 New Order 13,744,188 1,494
Payment 13,744,190
Order Status 1,374,418
Delivery 1,374,419
Stock Level 1,374,419
Customer Report 13,744,192
100% 99.9% New Order 13,750,352 1,494
Payment 13,750,358
Order Status 1,375,035
Delivery 1,375,036
Stock Level 1,375,036
Customer Report 13,750,358
90% 90.3% New Order 12,430,101 1,494
Payment 12,430,101
Order Status 1,243,010
Delivery 1,243,010
Stock Level 1,243,011
Customer Report 12,430,105
80% 79.7% New Order 10,971,329 1,494
Payment 10,971,329
Order Status 1,097,132
Delivery 1,097,134
Stock Level 1,097,133
Customer Report 10,971,325
70% 69.5% New Order 9,573,853 1,494
Payment 9,573,858
Order Status 957,386
Delivery 957,386
Stock Level 957,386
Customer Report 9,573,852
60% 59.9% New Order 8,246,327 1,494
Payment 8,246,327
Order Status 824,632
Delivery 824,632
Stock Level 824,633
Customer Report 8,246,325
50% 50.0% New Order 6,888,280 1,494
Payment 6,888,276
Order Status 688,827
Delivery 688,827
Stock Level 688,828
Customer Report 6,888,274
40% 39.5% New Order 5,435,172 1,494
Payment 5,435,168
Order Status 543,518
Delivery 543,518
Stock Level 543,517
Customer Report 5,435,173
30% 30.1% New Order 4,148,462 1,494
Payment 4,148,467
Order Status 414,847
Delivery 414,847
Stock Level 414,847
Customer Report 4,148,465
20% 20.0% New Order 2,749,951 1,494
Payment 2,749,956
Order Status 274,994
Delivery 274,996
Stock Level 274,994
Customer Report 2,749,954
10% 9.8% New Order 1,344,382 1,494
Payment 1,344,385
Order Status 134,439
Delivery 134,439
Stock Level 134,438
Customer Report 1,344,384
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0