Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 202,554
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     204,129
Calibration 2     203,817
Calibration 3     202,993
ssj_ops@calibrated=203,405
100% 99.6% 203,405 202,554
90% 90.1% 183,065 183,190
80% 80.6% 162,724 164,024
70% 70.2% 142,384 142,789
60% 60.6% 122,043 123,320
50% 49.9% 101,703 101,477
40% 40.4% 81,362 82,124
30% 30.1% 61,022 61,256
20% 19.8% 40,681 40,357
10% 9.9% 20,341 20,231
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 14,849,288 1,494
Payment 14,849,283
Order Status 1,484,929
Delivery 1,484,929
Stock Level 1,484,930
Customer Report 14,849,289
Calibration 2 New Order 14,824,737 1,494
Payment 14,824,738
Order Status 1,482,473
Delivery 1,482,473
Stock Level 1,482,474
Customer Report 14,824,737
Calibration 3 New Order 14,765,161 1,494
Payment 14,765,159
Order Status 1,476,517
Delivery 1,476,514
Stock Level 1,476,517
Customer Report 14,765,168
100% 99.6% New Order 14,731,406 1,494
Payment 14,731,411
Order Status 1,473,142
Delivery 1,473,141
Stock Level 1,473,141
Customer Report 14,731,413
90% 90.1% New Order 13,323,553 1,494
Payment 13,323,554
Order Status 1,332,356
Delivery 1,332,354
Stock Level 1,332,357
Customer Report 13,323,556
80% 80.6% New Order 11,930,136 1,494
Payment 11,930,139
Order Status 1,193,014
Delivery 1,193,015
Stock Level 1,193,013
Customer Report 11,930,133
70% 70.2% New Order 10,385,011 1,494
Payment 10,385,014
Order Status 1,038,502
Delivery 1,038,502
Stock Level 1,038,501
Customer Report 10,385,015
60% 60.6% New Order 8,969,260 1,494
Payment 8,969,256
Order Status 896,927
Delivery 896,924
Stock Level 896,925
Customer Report 8,969,252
50% 49.9% New Order 7,380,581 1,494
Payment 7,380,581
Order Status 738,060
Delivery 738,057
Stock Level 738,059
Customer Report 7,380,580
40% 40.4% New Order 5,973,322 1,494
Payment 5,973,319
Order Status 597,332
Delivery 597,332
Stock Level 597,331
Customer Report 5,973,318
30% 30.1% New Order 4,455,123 1,494
Payment 4,455,122
Order Status 445,513
Delivery 445,514
Stock Level 445,513
Customer Report 4,455,125
20% 19.8% New Order 2,935,106 1,494
Payment 2,935,105
Order Status 293,510
Delivery 293,511
Stock Level 293,511
Customer Report 2,935,105
10% 9.9% New Order 1,471,357 1,494
Payment 1,471,358
Order Status 147,136
Delivery 147,138
Stock Level 147,136
Customer Report 1,471,360
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0