Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 208,127
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     209,779
Calibration 2     209,178
Calibration 3     208,338
ssj_ops@calibrated=208,758
100% 99.7% 208,758 208,127
90% 90.5% 187,882 188,998
80% 79.2% 167,006 165,360
70% 69.8% 146,130 145,739
60% 59.8% 125,255 124,827
50% 49.9% 104,379 104,107
40% 39.8% 83,503 82,992
30% 30.1% 62,627 62,781
20% 20.1% 41,752 41,882
10% 10.2% 20,876 21,216
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 15,257,825 1,494
Payment 15,257,830
Order Status 1,525,783
Delivery 1,525,782
Stock Level 1,525,783
Customer Report 15,257,829
Calibration 2 New Order 15,214,179 1,494
Payment 15,214,183
Order Status 1,521,419
Delivery 1,521,418
Stock Level 1,521,418
Customer Report 15,214,184
Calibration 3 New Order 15,152,289 1,494
Payment 15,152,286
Order Status 1,515,230
Delivery 1,515,228
Stock Level 1,515,227
Customer Report 15,152,285
100% 99.7% New Order 15,136,697 1,494
Payment 15,136,697
Order Status 1,513,669
Delivery 1,513,671
Stock Level 1,513,670
Customer Report 15,136,700
90% 90.5% New Order 13,745,531 1,494
Payment 13,745,526
Order Status 1,374,553
Delivery 1,374,553
Stock Level 1,374,552
Customer Report 13,745,533
80% 79.2% New Order 12,026,324 1,494
Payment 12,026,322
Order Status 1,202,632
Delivery 1,202,632
Stock Level 1,202,632
Customer Report 12,026,320
70% 69.8% New Order 10,599,656 1,494
Payment 10,599,653
Order Status 1,059,965
Delivery 1,059,967
Stock Level 1,059,966
Customer Report 10,599,653
60% 59.8% New Order 9,078,454 1,494
Payment 9,078,453
Order Status 907,846
Delivery 907,846
Stock Level 907,844
Customer Report 9,078,451
50% 49.9% New Order 7,571,808 1,494
Payment 7,571,806
Order Status 757,181
Delivery 757,180
Stock Level 757,181
Customer Report 7,571,805
40% 39.8% New Order 6,036,099 1,494
Payment 6,036,099
Order Status 603,610
Delivery 603,609
Stock Level 603,610
Customer Report 6,036,099
30% 30.1% New Order 4,566,040 1,494
Payment 4,566,039
Order Status 456,603
Delivery 456,604
Stock Level 456,604
Customer Report 4,566,037
20% 20.1% New Order 3,046,011 1,494
Payment 3,046,018
Order Status 304,602
Delivery 304,602
Stock Level 304,602
Customer Report 3,046,009
10% 10.2% New Order 1,543,029 1,494
Payment 1,543,033
Order Status 154,303
Delivery 154,303
Stock Level 154,303
Customer Report 1,543,031
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0