Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 201,113
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     202,010
Calibration 2     200,860
Calibration 3     200,226
ssj_ops@calibrated=200,543
100% 100.3% 200,543 201,113
90% 90.9% 180,489 182,290
80% 80.7% 160,435 161,848
70% 69.5% 140,380 139,397
60% 59.9% 120,326 120,032
50% 49.6% 100,272 99,386
40% 40.2% 80,217 80,662
30% 29.7% 60,163 59,573
20% 19.8% 40,109 39,698
10% 10.1% 20,054 20,271
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 14,695,170 1,494
Payment 14,695,176
Order Status 1,469,517
Delivery 1,469,517
Stock Level 1,469,518
Customer Report 14,695,175
Calibration 2 New Order 14,608,132 1,494
Payment 14,608,126
Order Status 1,460,811
Delivery 1,460,813
Stock Level 1,460,814
Customer Report 14,608,124
Calibration 3 New Order 14,562,178 1,494
Payment 14,562,178
Order Status 1,456,219
Delivery 1,456,219
Stock Level 1,456,218
Customer Report 14,562,180
100% 100.3% New Order 14,628,405 1,494
Payment 14,628,402
Order Status 1,462,840
Delivery 1,462,840
Stock Level 1,462,839
Customer Report 14,628,400
90% 90.9% New Order 13,258,399 1,494
Payment 13,258,401
Order Status 1,325,840
Delivery 1,325,841
Stock Level 1,325,840
Customer Report 13,258,400
80% 80.7% New Order 11,771,253 1,494
Payment 11,771,254
Order Status 1,177,124
Delivery 1,177,125
Stock Level 1,177,126
Customer Report 11,771,254
70% 69.5% New Order 10,138,771 1,494
Payment 10,138,773
Order Status 1,013,877
Delivery 1,013,878
Stock Level 1,013,876
Customer Report 10,138,772
60% 59.9% New Order 8,730,559 1,494
Payment 8,730,564
Order Status 873,056
Delivery 873,056
Stock Level 873,057
Customer Report 8,730,564
50% 49.6% New Order 7,228,161 1,494
Payment 7,228,167
Order Status 722,817
Delivery 722,817
Stock Level 722,817
Customer Report 7,228,167
40% 40.2% New Order 5,866,945 1,494
Payment 5,866,945
Order Status 586,694
Delivery 586,695
Stock Level 586,694
Customer Report 5,866,948
30% 29.7% New Order 4,332,709 1,494
Payment 4,332,705
Order Status 433,272
Delivery 433,271
Stock Level 433,271
Customer Report 4,332,702
20% 19.8% New Order 2,887,388 1,494
Payment 2,887,393
Order Status 288,739
Delivery 288,738
Stock Level 288,738
Customer Report 2,887,388
10% 10.1% New Order 1,474,272 1,494
Payment 1,474,271
Order Status 147,425
Delivery 147,427
Stock Level 147,427
Customer Report 1,474,275
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0