Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 199,134
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     202,047
Calibration 2     199,574
Calibration 3     199,259
ssj_ops@calibrated=199,416
100% 99.9% 199,416 199,134
90% 89.8% 179,475 179,069
80% 80.0% 159,533 159,514
70% 69.9% 139,591 139,440
60% 60.0% 119,650 119,699
50% 50.0% 99,708 99,650
40% 40.2% 79,766 80,097
30% 29.6% 59,825 59,117
20% 20.1% 39,883 40,093
10% 10.0% 19,942 19,984
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 14,697,265 1,494
Payment 14,697,261
Order Status 1,469,728
Delivery 1,469,727
Stock Level 1,469,726
Customer Report 14,697,263
Calibration 2 New Order 14,514,778 1,494
Payment 14,514,782
Order Status 1,451,479
Delivery 1,451,477
Stock Level 1,451,479
Customer Report 14,514,777
Calibration 3 New Order 14,492,331 1,494
Payment 14,492,327
Order Status 1,449,233
Delivery 1,449,233
Stock Level 1,449,234
Customer Report 14,492,330
100% 99.9% New Order 14,484,057 1,494
Payment 14,484,060
Order Status 1,448,407
Delivery 1,448,404
Stock Level 1,448,405
Customer Report 14,484,056
90% 89.8% New Order 13,023,378 1,494
Payment 13,023,372
Order Status 1,302,337
Delivery 1,302,338
Stock Level 1,302,336
Customer Report 13,023,374
80% 80.0% New Order 11,601,253 1,494
Payment 11,601,251
Order Status 1,160,125
Delivery 1,160,125
Stock Level 1,160,126
Customer Report 11,601,254
70% 69.9% New Order 10,141,642 1,494
Payment 10,141,647
Order Status 1,014,166
Delivery 1,014,164
Stock Level 1,014,165
Customer Report 10,141,645
60% 60.0% New Order 8,705,487 1,494
Payment 8,705,488
Order Status 870,549
Delivery 870,549
Stock Level 870,549
Customer Report 8,705,487
50% 50.0% New Order 7,247,863 1,494
Payment 7,247,856
Order Status 724,785
Delivery 724,784
Stock Level 724,786
Customer Report 7,247,862
40% 40.2% New Order 5,825,274 1,494
Payment 5,825,276
Order Status 582,528
Delivery 582,527
Stock Level 582,527
Customer Report 5,825,274
30% 29.6% New Order 4,299,919 1,494
Payment 4,299,919
Order Status 429,992
Delivery 429,991
Stock Level 429,992
Customer Report 4,299,918
20% 20.1% New Order 2,916,137 1,494
Payment 2,916,139
Order Status 291,613
Delivery 291,613
Stock Level 291,613
Customer Report 2,916,136
10% 10.0% New Order 1,453,414 1,494
Payment 1,453,419
Order Status 145,343
Delivery 145,342
Stock Level 145,342
Customer Report 1,453,419
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0