Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 203,147
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     203,943
Calibration 2     204,121
Calibration 3     204,064
ssj_ops@calibrated=204,092
100% 99.5% 204,092 203,147
90% 90.2% 183,683 184,005
80% 79.8% 163,274 162,944
70% 70.1% 142,865 143,142
60% 60.3% 122,455 123,111
50% 50.2% 102,046 102,377
40% 40.0% 81,637 81,716
30% 30.0% 61,228 61,154
20% 19.9% 40,818 40,678
10% 10.0% 20,409 20,461
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 14,835,534 1,494
Payment 14,835,538
Order Status 1,483,555
Delivery 1,483,553
Stock Level 1,483,554
Customer Report 14,835,533
Calibration 2 New Order 14,846,497 1,494
Payment 14,846,496
Order Status 1,484,648
Delivery 1,484,650
Stock Level 1,484,649
Customer Report 14,846,501
Calibration 3 New Order 14,841,197 1,494
Payment 14,841,200
Order Status 1,484,120
Delivery 1,484,120
Stock Level 1,484,121
Customer Report 14,841,196
100% 99.5% New Order 14,775,413 1,494
Payment 14,775,407
Order Status 1,477,541
Delivery 1,477,542
Stock Level 1,477,540
Customer Report 14,775,408
90% 90.2% New Order 13,382,708 1,494
Payment 13,382,704
Order Status 1,338,270
Delivery 1,338,271
Stock Level 1,338,270
Customer Report 13,382,706
80% 79.8% New Order 11,850,983 1,494
Payment 11,850,981
Order Status 1,185,099
Delivery 1,185,099
Stock Level 1,185,098
Customer Report 11,850,982
70% 70.1% New Order 10,411,391 1,494
Payment 10,411,386
Order Status 1,041,139
Delivery 1,041,139
Stock Level 1,041,140
Customer Report 10,411,389
60% 60.3% New Order 8,953,854 1,494
Payment 8,953,860
Order Status 895,386
Delivery 895,386
Stock Level 895,385
Customer Report 8,953,863
50% 50.2% New Order 7,445,903 1,494
Payment 7,445,903
Order Status 744,591
Delivery 744,589
Stock Level 744,591
Customer Report 7,445,897
40% 40.0% New Order 5,943,033 1,494
Payment 5,943,028
Order Status 594,303
Delivery 594,304
Stock Level 594,303
Customer Report 5,943,029
30% 30.0% New Order 4,447,854 1,494
Payment 4,447,857
Order Status 444,785
Delivery 444,785
Stock Level 444,786
Customer Report 4,447,856
20% 19.9% New Order 2,958,438 1,494
Payment 2,958,436
Order Status 295,845
Delivery 295,844
Stock Level 295,845
Customer Report 2,958,436
10% 10.0% New Order 1,488,072 1,494
Payment 1,488,071
Order Status 148,807
Delivery 148,807
Stock Level 148,806
Customer Report 1,488,071
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0