Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 196,170
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     199,316
Calibration 2     195,979
Calibration 3     196,047
ssj_ops@calibrated=196,013
100% 100.1% 196,013 196,170
90% 89.6% 176,412 175,558
80% 80.7% 156,810 158,109
70% 70.6% 137,209 138,467
60% 60.2% 117,608 118,054
50% 50.4% 98,007 98,727
40% 39.7% 78,405 77,772
30% 29.6% 58,804 58,046
20% 19.8% 39,203 38,777
10% 10.1% 19,601 19,748
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 14,497,559 1,494
Payment 14,497,552
Order Status 1,449,755
Delivery 1,449,756
Stock Level 1,449,755
Customer Report 14,497,562
Calibration 2 New Order 14,253,554 1,494
Payment 14,253,553
Order Status 1,425,356
Delivery 1,425,355
Stock Level 1,425,356
Customer Report 14,253,554
Calibration 3 New Order 14,258,951 1,494
Payment 14,258,952
Order Status 1,425,895
Delivery 1,425,896
Stock Level 1,425,895
Customer Report 14,258,951
100% 100.1% New Order 14,267,624 1,494
Payment 14,267,630
Order Status 1,426,763
Delivery 1,426,762
Stock Level 1,426,761
Customer Report 14,267,621
90% 89.6% New Order 12,768,272 1,494
Payment 12,768,274
Order Status 1,276,828
Delivery 1,276,827
Stock Level 1,276,829
Customer Report 12,768,277
80% 80.7% New Order 11,499,269 1,494
Payment 11,499,274
Order Status 1,149,927
Delivery 1,149,927
Stock Level 1,149,926
Customer Report 11,499,264
70% 70.6% New Order 10,070,631 1,494
Payment 10,070,633
Order Status 1,007,063
Delivery 1,007,063
Stock Level 1,007,065
Customer Report 10,070,633
60% 60.2% New Order 8,586,019 1,494
Payment 8,586,019
Order Status 858,602
Delivery 858,601
Stock Level 858,602
Customer Report 8,586,015
50% 50.4% New Order 7,180,830 1,494
Payment 7,180,823
Order Status 718,082
Delivery 718,083
Stock Level 718,082
Customer Report 7,180,826
40% 39.7% New Order 5,656,614 1,494
Payment 5,656,614
Order Status 565,662
Delivery 565,661
Stock Level 565,661
Customer Report 5,656,610
30% 29.6% New Order 4,221,626 1,494
Payment 4,221,621
Order Status 422,163
Delivery 422,163
Stock Level 422,162
Customer Report 4,221,627
20% 19.8% New Order 2,820,177 1,494
Payment 2,820,173
Order Status 282,019
Delivery 282,018
Stock Level 282,017
Customer Report 2,820,171
10% 10.1% New Order 1,436,328 1,494
Payment 1,436,329
Order Status 143,634
Delivery 143,633
Stock Level 143,634
Customer Report 1,436,331
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0