Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 200,679
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     203,057
Calibration 2     201,054
Calibration 3     200,839
ssj_ops@calibrated=200,947
100% 99.9% 200,947 200,679
90% 90.0% 180,852 180,837
80% 80.6% 160,757 161,867
70% 70.6% 140,663 141,822
60% 60.3% 120,568 121,157
50% 50.3% 100,473 101,124
40% 39.9% 80,379 80,126
30% 30.7% 60,284 61,659
20% 20.2% 40,189 40,648
10% 9.8% 20,095 19,697
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 14,770,337 1,494
Payment 14,770,336
Order Status 1,477,033
Delivery 1,477,034
Stock Level 1,477,033
Customer Report 14,770,334
Calibration 2 New Order 14,622,245 1,494
Payment 14,622,245
Order Status 1,462,225
Delivery 1,462,225
Stock Level 1,462,223
Customer Report 14,622,245
Calibration 3 New Order 14,607,264 1,494
Payment 14,607,262
Order Status 1,460,727
Delivery 1,460,725
Stock Level 1,460,726
Customer Report 14,607,265
100% 99.9% New Order 14,596,372 1,494
Payment 14,596,369
Order Status 1,459,637
Delivery 1,459,636
Stock Level 1,459,636
Customer Report 14,596,370
90% 90.0% New Order 13,152,366 1,494
Payment 13,152,368
Order Status 1,315,237
Delivery 1,315,237
Stock Level 1,315,237
Customer Report 13,152,367
80% 80.6% New Order 11,772,289 1,494
Payment 11,772,285
Order Status 1,177,227
Delivery 1,177,228
Stock Level 1,177,229
Customer Report 11,772,283
70% 70.6% New Order 10,314,973 1,494
Payment 10,314,970
Order Status 1,031,499
Delivery 1,031,498
Stock Level 1,031,497
Customer Report 10,314,975
60% 60.3% New Order 8,812,405 1,494
Payment 8,812,410
Order Status 881,241
Delivery 881,239
Stock Level 881,240
Customer Report 8,812,408
50% 50.3% New Order 7,355,028 1,494
Payment 7,355,026
Order Status 735,502
Delivery 735,502
Stock Level 735,501
Customer Report 7,355,025
40% 39.9% New Order 5,827,871 1,494
Payment 5,827,873
Order Status 582,786
Delivery 582,787
Stock Level 582,786
Customer Report 5,827,873
30% 30.7% New Order 4,484,700 1,494
Payment 4,484,692
Order Status 448,468
Delivery 448,469
Stock Level 448,469
Customer Report 4,484,700
20% 20.2% New Order 2,956,245 1,494
Payment 2,956,246
Order Status 295,623
Delivery 295,624
Stock Level 295,626
Customer Report 2,956,249
10% 9.8% New Order 1,432,588 1,494
Payment 1,432,592
Order Status 143,258
Delivery 143,259
Stock Level 143,259
Customer Report 1,432,596
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0