Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,103
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     207,180
Calibration 2     205,769
Calibration 3     205,735
ssj_ops@calibrated=205,752
100% 99.7% 205,752 205,103
90% 89.6% 185,177 184,259
80% 79.5% 164,602 163,593
70% 70.7% 144,027 145,439
60% 60.2% 123,451 123,909
50% 50.2% 102,876 103,334
40% 40.2% 82,301 82,707
30% 30.1% 61,726 61,839
20% 20.1% 41,150 41,320
10% 10.2% 20,575 20,941
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 15,071,378 1,494
Payment 15,071,376
Order Status 1,507,137
Delivery 1,507,137
Stock Level 1,507,138
Customer Report 15,071,378
Calibration 2 New Order 14,966,923 1,494
Payment 14,966,915
Order Status 1,496,691
Delivery 1,496,692
Stock Level 1,496,693
Customer Report 14,966,919
Calibration 3 New Order 14,964,373 1,494
Payment 14,964,382
Order Status 1,496,438
Delivery 1,496,440
Stock Level 1,496,438
Customer Report 14,964,380
100% 99.7% New Order 14,917,931 1,494
Payment 14,917,930
Order Status 1,491,793
Delivery 1,491,792
Stock Level 1,491,792
Customer Report 14,917,930
90% 89.6% New Order 13,401,834 1,494
Payment 13,401,838
Order Status 1,340,184
Delivery 1,340,183
Stock Level 1,340,184
Customer Report 13,401,831
80% 79.5% New Order 11,899,446 1,494
Payment 11,899,446
Order Status 1,189,945
Delivery 1,189,943
Stock Level 1,189,946
Customer Report 11,899,447
70% 70.7% New Order 10,578,652 1,494
Payment 10,578,654
Order Status 1,057,865
Delivery 1,057,866
Stock Level 1,057,864
Customer Report 10,578,653
60% 60.2% New Order 9,012,203 1,494
Payment 9,012,205
Order Status 901,221
Delivery 901,219
Stock Level 901,220
Customer Report 9,012,206
50% 50.2% New Order 7,515,184 1,494
Payment 7,515,182
Order Status 751,521
Delivery 751,518
Stock Level 751,517
Customer Report 7,515,182
40% 40.2% New Order 6,015,152 1,494
Payment 6,015,151
Order Status 601,515
Delivery 601,514
Stock Level 601,515
Customer Report 6,015,153
30% 30.1% New Order 4,497,912 1,494
Payment 4,497,910
Order Status 449,792
Delivery 449,791
Stock Level 449,792
Customer Report 4,497,910
20% 20.1% New Order 3,005,151 1,494
Payment 3,005,153
Order Status 300,514
Delivery 300,515
Stock Level 300,516
Customer Report 3,005,151
10% 10.2% New Order 1,523,007 1,494
Payment 1,523,005
Order Status 152,300
Delivery 152,300
Stock Level 152,299
Customer Report 1,523,006
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0