Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 187,775
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     190,037
Calibration 2     188,144
Calibration 3     187,654
ssj_ops@calibrated=187,899
100% 99.9% 187,899 187,775
90% 90.2% 169,109 169,398
80% 79.9% 150,319 150,128
70% 70.5% 131,529 132,416
60% 60.2% 112,739 113,059
50% 49.9% 93,950 93,794
40% 40.2% 75,160 75,551
30% 30.1% 56,370 56,619
20% 20.1% 37,580 37,789
10% 10.3% 18,790 19,260
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 13,823,815 1,494
Payment 13,823,814
Order Status 1,382,381
Delivery 1,382,382
Stock Level 1,382,381
Customer Report 13,823,820
Calibration 2 New Order 13,684,554 1,494
Payment 13,684,553
Order Status 1,368,454
Delivery 1,368,455
Stock Level 1,368,456
Customer Report 13,684,550
Calibration 3 New Order 13,649,037 1,494
Payment 13,649,034
Order Status 1,364,904
Delivery 1,364,902
Stock Level 1,364,905
Customer Report 13,649,036
100% 99.9% New Order 13,657,374 1,494
Payment 13,657,370
Order Status 1,365,738
Delivery 1,365,738
Stock Level 1,365,738
Customer Report 13,657,369
90% 90.2% New Order 12,320,481 1,494
Payment 12,320,486
Order Status 1,232,047
Delivery 1,232,049
Stock Level 1,232,048
Customer Report 12,320,487
80% 79.9% New Order 10,918,413 1,494
Payment 10,918,413
Order Status 1,091,842
Delivery 1,091,841
Stock Level 1,091,841
Customer Report 10,918,416
70% 70.5% New Order 9,630,292 1,494
Payment 9,630,293
Order Status 963,029
Delivery 963,031
Stock Level 963,029
Customer Report 9,630,294
60% 60.2% New Order 8,222,831 1,494
Payment 8,222,825
Order Status 822,283
Delivery 822,283
Stock Level 822,283
Customer Report 8,222,828
50% 49.9% New Order 6,821,692 1,494
Payment 6,821,692
Order Status 682,169
Delivery 682,170
Stock Level 682,168
Customer Report 6,821,687
40% 40.2% New Order 5,494,872 1,494
Payment 5,494,869
Order Status 549,487
Delivery 549,487
Stock Level 549,487
Customer Report 5,494,874
30% 30.1% New Order 4,117,891 1,494
Payment 4,117,894
Order Status 411,790
Delivery 411,790
Stock Level 411,789
Customer Report 4,117,891
20% 20.1% New Order 2,748,395 1,494
Payment 2,748,399
Order Status 274,839
Delivery 274,840
Stock Level 274,840
Customer Report 2,748,398
10% 10.3% New Order 1,400,880 1,494
Payment 1,400,884
Order Status 140,088
Delivery 140,088
Stock Level 140,088
Customer Report 1,400,882
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0