Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,040
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     195,035
Calibration 2     193,746
Calibration 3     193,198
ssj_ops@calibrated=193,472
100% 99.8% 193,472 193,040
90% 90.9% 174,125 175,951
80% 79.8% 154,778 154,354
70% 70.2% 135,430 135,837
60% 59.9% 116,083 115,931
50% 49.6% 96,736 95,890
40% 39.8% 77,389 77,008
30% 29.8% 58,042 57,598
20% 19.8% 38,694 38,226
10% 10.1% 19,347 19,555
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 14,187,496 1,494
Payment 14,187,493
Order Status 1,418,750
Delivery 1,418,750
Stock Level 1,418,750
Customer Report 14,187,496
Calibration 2 New Order 14,091,639 1,494
Payment 14,091,634
Order Status 1,409,163
Delivery 1,409,164
Stock Level 1,409,163
Customer Report 14,091,636
Calibration 3 New Order 14,051,695 1,494
Payment 14,051,702
Order Status 1,405,170
Delivery 1,405,170
Stock Level 1,405,169
Customer Report 14,051,695
100% 99.8% New Order 14,041,014 1,494
Payment 14,041,011
Order Status 1,404,102
Delivery 1,404,100
Stock Level 1,404,101
Customer Report 14,041,014
90% 90.9% New Order 12,796,651 1,494
Payment 12,796,652
Order Status 1,279,665
Delivery 1,279,665
Stock Level 1,279,665
Customer Report 12,796,653
80% 79.8% New Order 11,227,129 1,494
Payment 11,227,127
Order Status 1,122,712
Delivery 1,122,711
Stock Level 1,122,713
Customer Report 11,227,123
70% 70.2% New Order 9,879,697 1,494
Payment 9,879,697
Order Status 987,971
Delivery 987,971
Stock Level 987,968
Customer Report 9,879,696
60% 59.9% New Order 8,431,724 1,494
Payment 8,431,719
Order Status 843,171
Delivery 843,172
Stock Level 843,173
Customer Report 8,431,724
50% 49.6% New Order 6,973,837 1,494
Payment 6,973,836
Order Status 697,384
Delivery 697,384
Stock Level 697,384
Customer Report 6,973,838
40% 39.8% New Order 5,600,923 1,494
Payment 5,600,924
Order Status 560,091
Delivery 560,093
Stock Level 560,091
Customer Report 5,600,930
30% 29.8% New Order 4,189,279 1,494
Payment 4,189,282
Order Status 418,928
Delivery 418,929
Stock Level 418,927
Customer Report 4,189,281
20% 19.8% New Order 2,780,373 1,494
Payment 2,780,370
Order Status 278,038
Delivery 278,037
Stock Level 278,037
Customer Report 2,780,370
10% 10.1% New Order 1,422,284 1,494
Payment 1,422,288
Order Status 142,228
Delivery 142,227
Stock Level 142,230
Customer Report 1,422,291
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0