Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,033
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     205,443
Calibration 2     205,102
Calibration 3     204,719
ssj_ops@calibrated=204,911
100% 100.1% 204,911 205,033
90% 89.6% 184,420 183,546
80% 80.2% 163,929 164,438
70% 70.2% 143,437 143,799
60% 60.4% 122,946 123,785
50% 49.1% 102,455 100,650
40% 40.2% 81,964 82,347
30% 29.7% 61,473 60,760
20% 20.2% 40,982 41,295
10% 9.9% 20,491 20,201
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 14,942,493 1,494
Payment 14,942,498
Order Status 1,494,250
Delivery 1,494,250
Stock Level 1,494,249
Customer Report 14,942,499
Calibration 2 New Order 14,917,754 1,494
Payment 14,917,760
Order Status 1,491,776
Delivery 1,491,775
Stock Level 1,491,775
Customer Report 14,917,759
Calibration 3 New Order 14,890,562 1,494
Payment 14,890,557
Order Status 1,489,057
Delivery 1,489,056
Stock Level 1,489,055
Customer Report 14,890,553
100% 100.1% New Order 14,913,227 1,494
Payment 14,913,224
Order Status 1,491,323
Delivery 1,491,322
Stock Level 1,491,322
Customer Report 14,913,224
90% 89.6% New Order 13,349,818 1,494
Payment 13,349,818
Order Status 1,334,982
Delivery 1,334,981
Stock Level 1,334,983
Customer Report 13,349,818
80% 80.2% New Order 11,959,262 1,494
Payment 11,959,260
Order Status 1,195,925
Delivery 1,195,925
Stock Level 1,195,925
Customer Report 11,959,257
70% 70.2% New Order 10,458,202 1,494
Payment 10,458,204
Order Status 1,045,820
Delivery 1,045,820
Stock Level 1,045,821
Customer Report 10,458,203
60% 60.4% New Order 9,002,864 1,494
Payment 9,002,864
Order Status 900,287
Delivery 900,285
Stock Level 900,287
Customer Report 9,002,862
50% 49.1% New Order 7,320,349 1,494
Payment 7,320,347
Order Status 732,034
Delivery 732,035
Stock Level 732,034
Customer Report 7,320,351
40% 40.2% New Order 5,988,964 1,494
Payment 5,988,960
Order Status 598,897
Delivery 598,895
Stock Level 598,897
Customer Report 5,988,965
30% 29.7% New Order 4,419,097 1,494
Payment 4,419,086
Order Status 441,910
Delivery 441,910
Stock Level 441,908
Customer Report 4,419,089
20% 20.2% New Order 3,003,329 1,494
Payment 3,003,339
Order Status 300,332
Delivery 300,335
Stock Level 300,335
Customer Report 3,003,330
10% 9.9% New Order 1,469,219 1,494
Payment 1,469,222
Order Status 146,922
Delivery 146,922
Stock Level 146,922
Customer Report 1,469,229
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0