Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,310
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     200,053
Calibration 2     194,899
Calibration 3     194,153
ssj_ops@calibrated=194,526
100% 98.9% 194,526 192,310
90% 90.1% 175,074 175,362
80% 80.7% 155,621 156,999
70% 69.7% 136,168 135,625
60% 60.0% 116,716 116,790
50% 50.2% 97,263 97,643
40% 40.3% 77,810 78,429
30% 29.7% 58,358 57,845
20% 20.3% 38,905 39,400
10% 10.0% 19,453 19,420
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 14,551,866 1,494
Payment 14,551,878
Order Status 1,455,187
Delivery 1,455,188
Stock Level 1,455,188
Customer Report 14,551,874
Calibration 2 New Order 14,174,955 1,494
Payment 14,174,954
Order Status 1,417,496
Delivery 1,417,496
Stock Level 1,417,496
Customer Report 14,174,958
Calibration 3 New Order 14,120,428 1,494
Payment 14,120,422
Order Status 1,412,042
Delivery 1,412,045
Stock Level 1,412,043
Customer Report 14,120,425
100% 98.9% New Order 13,987,903 1,494
Payment 13,987,907
Order Status 1,398,791
Delivery 1,398,789
Stock Level 1,398,790
Customer Report 13,987,904
90% 90.1% New Order 12,754,551 1,494
Payment 12,754,547
Order Status 1,275,454
Delivery 1,275,455
Stock Level 1,275,454
Customer Report 12,754,546
80% 80.7% New Order 11,418,458 1,494
Payment 11,418,459
Order Status 1,141,846
Delivery 1,141,846
Stock Level 1,141,846
Customer Report 11,418,455
70% 69.7% New Order 9,863,666 1,494
Payment 9,863,673
Order Status 986,368
Delivery 986,368
Stock Level 986,367
Customer Report 9,863,669
60% 60.0% New Order 8,494,110 1,494
Payment 8,494,112
Order Status 849,412
Delivery 849,412
Stock Level 849,411
Customer Report 8,494,114
50% 50.2% New Order 7,101,430 1,494
Payment 7,101,430
Order Status 710,142
Delivery 710,143
Stock Level 710,143
Customer Report 7,101,430
40% 40.3% New Order 5,704,255 1,494
Payment 5,704,254
Order Status 570,426
Delivery 570,424
Stock Level 570,424
Customer Report 5,704,256
30% 29.7% New Order 4,206,949 1,494
Payment 4,206,945
Order Status 420,696
Delivery 420,696
Stock Level 420,695
Customer Report 4,206,947
20% 20.3% New Order 2,865,539 1,494
Payment 2,865,543
Order Status 286,555
Delivery 286,553
Stock Level 286,554
Customer Report 2,865,536
10% 10.0% New Order 1,412,421 1,494
Payment 1,412,426
Order Status 141,242
Delivery 141,242
Stock Level 141,242
Customer Report 1,412,427
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0