Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,835
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     206,587
Calibration 2     195,342
Calibration 3     194,185
ssj_ops@calibrated=194,764
100% 99.5% 194,764 193,835
90% 90.4% 175,287 176,093
80% 79.8% 155,811 155,445
70% 69.8% 136,335 136,004
60% 59.2% 116,858 115,301
50% 50.1% 97,382 97,480
40% 40.3% 77,905 78,410
30% 29.7% 58,429 57,904
20% 19.7% 38,953 38,374
10% 10.3% 19,476 20,075
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 15,026,584 1,494
Payment 15,026,578
Order Status 1,502,658
Delivery 1,502,660
Stock Level 1,502,659
Customer Report 15,026,588
Calibration 2 New Order 14,207,064 1,494
Payment 14,207,059
Order Status 1,420,706
Delivery 1,420,707
Stock Level 1,420,706
Customer Report 14,207,062
Calibration 3 New Order 14,126,608 1,494
Payment 14,126,606
Order Status 1,412,661
Delivery 1,412,661
Stock Level 1,412,659
Customer Report 14,126,610
100% 99.5% New Order 14,098,466 1,494
Payment 14,098,464
Order Status 1,409,847
Delivery 1,409,845
Stock Level 1,409,847
Customer Report 14,098,463
90% 90.4% New Order 12,807,223 1,494
Payment 12,807,224
Order Status 1,280,723
Delivery 1,280,723
Stock Level 1,280,723
Customer Report 12,807,225
80% 79.8% New Order 11,305,550 1,494
Payment 11,305,555
Order Status 1,130,556
Delivery 1,130,555
Stock Level 1,130,556
Customer Report 11,305,552
70% 69.8% New Order 9,892,246 1,494
Payment 9,892,244
Order Status 989,224
Delivery 989,225
Stock Level 989,224
Customer Report 9,892,244
60% 59.2% New Order 8,386,038 1,494
Payment 8,386,037
Order Status 838,606
Delivery 838,603
Stock Level 838,603
Customer Report 8,386,038
50% 50.1% New Order 7,089,838 1,494
Payment 7,089,839
Order Status 708,984
Delivery 708,984
Stock Level 708,983
Customer Report 7,089,840
40% 40.3% New Order 5,702,588 1,494
Payment 5,702,592
Order Status 570,258
Delivery 570,258
Stock Level 570,260
Customer Report 5,702,592
30% 29.7% New Order 4,211,190 1,494
Payment 4,211,189
Order Status 421,118
Delivery 421,117
Stock Level 421,120
Customer Report 4,211,194
20% 19.7% New Order 2,790,999 1,494
Payment 2,791,003
Order Status 279,100
Delivery 279,101
Stock Level 279,101
Customer Report 2,791,001
10% 10.3% New Order 1,460,001 1,494
Payment 1,460,001
Order Status 146,000
Delivery 146,000
Stock Level 146,001
Customer Report 1,459,997
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0