Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 199,653
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     208,503
Calibration 2     200,655
Calibration 3     199,723
ssj_ops@calibrated=200,189
100% 99.7% 200,189 199,653
90% 90.4% 180,170 180,980
80% 80.1% 160,151 160,345
70% 70.0% 140,133 140,052
60% 59.7% 120,114 119,488
50% 50.5% 100,095 101,007
40% 40.0% 80,076 80,131
30% 29.8% 60,057 59,703
20% 20.1% 40,038 40,260
10% 9.6% 20,019 19,296
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 15,166,831 1,494
Payment 15,166,831
Order Status 1,516,683
Delivery 1,516,683
Stock Level 1,516,684
Customer Report 15,166,834
Calibration 2 New Order 14,593,607 1,494
Payment 14,593,611
Order Status 1,459,361
Delivery 1,459,362
Stock Level 1,459,361
Customer Report 14,593,612
Calibration 3 New Order 14,526,250 1,494
Payment 14,526,245
Order Status 1,452,625
Delivery 1,452,625
Stock Level 1,452,625
Customer Report 14,526,250
100% 99.7% New Order 14,521,032 1,494
Payment 14,521,033
Order Status 1,452,103
Delivery 1,452,102
Stock Level 1,452,103
Customer Report 14,521,037
90% 90.4% New Order 13,162,406 1,494
Payment 13,162,402
Order Status 1,316,239
Delivery 1,316,241
Stock Level 1,316,239
Customer Report 13,162,400
80% 80.1% New Order 11,661,874 1,494
Payment 11,661,879
Order Status 1,166,188
Delivery 1,166,189
Stock Level 1,166,187
Customer Report 11,661,878
70% 70.0% New Order 10,185,805 1,494
Payment 10,185,807
Order Status 1,018,578
Delivery 1,018,579
Stock Level 1,018,578
Customer Report 10,185,809
60% 59.7% New Order 8,690,533 1,494
Payment 8,690,537
Order Status 869,053
Delivery 869,053
Stock Level 869,053
Customer Report 8,690,538
50% 50.5% New Order 7,346,061 1,494
Payment 7,346,060
Order Status 734,606
Delivery 734,607
Stock Level 734,607
Customer Report 7,346,062
40% 40.0% New Order 5,828,065 1,494
Payment 5,828,065
Order Status 582,805
Delivery 582,806
Stock Level 582,807
Customer Report 5,828,061
30% 29.8% New Order 4,342,122 1,494
Payment 4,342,119
Order Status 434,214
Delivery 434,212
Stock Level 434,213
Customer Report 4,342,120
20% 20.1% New Order 2,928,133 1,494
Payment 2,928,136
Order Status 292,814
Delivery 292,813
Stock Level 292,812
Customer Report 2,928,135
10% 9.6% New Order 1,403,332 1,494
Payment 1,403,334
Order Status 140,333
Delivery 140,333
Stock Level 140,333
Customer Report 1,403,335
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0