Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,993
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     207,751
Calibration 2     207,360
Calibration 3     206,710
ssj_ops@calibrated=207,035
100% 99.5% 207,035 205,993
90% 89.9% 186,332 186,188
80% 80.8% 165,628 167,213
70% 70.2% 144,925 145,378
60% 60.0% 124,221 124,158
50% 50.3% 103,518 104,190
40% 40.0% 82,814 82,845
30% 30.2% 62,111 62,514
20% 20.4% 41,407 42,268
10% 9.9% 20,704 20,537
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 15,113,314 1,494
Payment 15,113,315
Order Status 1,511,331
Delivery 1,511,331
Stock Level 1,511,332
Customer Report 15,113,314
Calibration 2 New Order 15,081,232 1,494
Payment 15,081,226
Order Status 1,508,122
Delivery 1,508,124
Stock Level 1,508,122
Customer Report 15,081,235
Calibration 3 New Order 15,033,869 1,494
Payment 15,033,863
Order Status 1,503,387
Delivery 1,503,387
Stock Level 1,503,386
Customer Report 15,033,868
100% 99.5% New Order 14,982,826 1,494
Payment 14,982,825
Order Status 1,498,283
Delivery 1,498,282
Stock Level 1,498,282
Customer Report 14,982,823
90% 89.9% New Order 13,542,430 1,494
Payment 13,542,427
Order Status 1,354,243
Delivery 1,354,242
Stock Level 1,354,242
Customer Report 13,542,424
80% 80.8% New Order 12,161,798 1,494
Payment 12,161,797
Order Status 1,216,181
Delivery 1,216,179
Stock Level 1,216,179
Customer Report 12,161,797
70% 70.2% New Order 10,573,150 1,494
Payment 10,573,144
Order Status 1,057,315
Delivery 1,057,315
Stock Level 1,057,317
Customer Report 10,573,155
60% 60.0% New Order 9,029,971 1,494
Payment 9,029,977
Order Status 902,996
Delivery 902,996
Stock Level 902,995
Customer Report 9,029,973
50% 50.3% New Order 7,577,585 1,494
Payment 7,577,583
Order Status 757,759
Delivery 757,759
Stock Level 757,758
Customer Report 7,577,587
40% 40.0% New Order 6,025,128 1,494
Payment 6,025,129
Order Status 602,511
Delivery 602,512
Stock Level 602,513
Customer Report 6,025,127
30% 30.2% New Order 4,546,658 1,494
Payment 4,546,661
Order Status 454,666
Delivery 454,666
Stock Level 454,665
Customer Report 4,546,658
20% 20.4% New Order 3,074,110 1,494
Payment 3,074,113
Order Status 307,410
Delivery 307,411
Stock Level 307,413
Customer Report 3,074,112
10% 9.9% New Order 1,493,635 1,494
Payment 1,493,637
Order Status 149,364
Delivery 149,363
Stock Level 149,364
Customer Report 1,493,637
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0