Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 196,125
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     198,234
Calibration 2     196,401
Calibration 3     195,821
ssj_ops@calibrated=196,111
100% 100.0% 196,111 196,125
90% 89.8% 176,500 176,189
80% 80.5% 156,888 157,785
70% 70.5% 137,277 138,300
60% 60.1% 117,666 117,793
50% 50.0% 98,055 98,113
40% 40.5% 78,444 79,494
30% 30.8% 58,833 60,363
20% 20.0% 39,222 39,276
10% 10.0% 19,611 19,545
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 14,420,325 1,494
Payment 14,420,324
Order Status 1,442,033
Delivery 1,442,033
Stock Level 1,442,031
Customer Report 14,420,320
Calibration 2 New Order 14,283,887 1,494
Payment 14,283,889
Order Status 1,428,389
Delivery 1,428,390
Stock Level 1,428,389
Customer Report 14,283,889
Calibration 3 New Order 14,242,704 1,494
Payment 14,242,702
Order Status 1,424,270
Delivery 1,424,271
Stock Level 1,424,272
Customer Report 14,242,705
100% 100.0% New Order 14,264,655 1,494
Payment 14,264,657
Order Status 1,426,466
Delivery 1,426,466
Stock Level 1,426,464
Customer Report 14,264,657
90% 89.8% New Order 12,814,007 1,494
Payment 12,814,006
Order Status 1,281,401
Delivery 1,281,401
Stock Level 1,281,401
Customer Report 12,814,011
80% 80.5% New Order 11,476,240 1,494
Payment 11,476,244
Order Status 1,147,625
Delivery 1,147,624
Stock Level 1,147,624
Customer Report 11,476,241
70% 70.5% New Order 10,058,385 1,494
Payment 10,058,380
Order Status 1,005,837
Delivery 1,005,839
Stock Level 1,005,837
Customer Report 10,058,384
60% 60.1% New Order 8,567,745 1,494
Payment 8,567,750
Order Status 856,775
Delivery 856,774
Stock Level 856,774
Customer Report 8,567,743
50% 50.0% New Order 7,135,877 1,494
Payment 7,135,873
Order Status 713,587
Delivery 713,587
Stock Level 713,588
Customer Report 7,135,873
40% 40.5% New Order 5,781,466 1,494
Payment 5,781,463
Order Status 578,146
Delivery 578,147
Stock Level 578,147
Customer Report 5,781,469
30% 30.8% New Order 4,390,355 1,494
Payment 4,390,353
Order Status 439,035
Delivery 439,036
Stock Level 439,037
Customer Report 4,390,356
20% 20.0% New Order 2,856,763 1,494
Payment 2,856,762
Order Status 285,676
Delivery 285,675
Stock Level 285,676
Customer Report 2,856,762
10% 10.0% New Order 1,421,598 1,494
Payment 1,421,592
Order Status 142,159
Delivery 142,160
Stock Level 142,160
Customer Report 1,421,592
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0