Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,659
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     199,597
Calibration 2     192,952
Calibration 3     191,275
ssj_ops@calibrated=192,114
100% 99.8% 192,114 191,659
90% 90.1% 172,902 173,175
80% 80.6% 153,691 154,778
70% 69.7% 134,480 133,856
60% 59.8% 115,268 114,831
50% 49.9% 96,057 95,772
40% 39.9% 76,845 76,636
30% 29.9% 57,634 57,354
20% 20.1% 38,423 38,572
10% 9.7% 19,211 18,683
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 14,520,934 1,494
Payment 14,520,928
Order Status 1,452,094
Delivery 1,452,093
Stock Level 1,452,094
Customer Report 14,520,929
Calibration 2 New Order 14,034,732 1,494
Payment 14,034,728
Order Status 1,403,474
Delivery 1,403,473
Stock Level 1,403,474
Customer Report 14,034,736
Calibration 3 New Order 13,911,424 1,494
Payment 13,911,424
Order Status 1,391,142
Delivery 1,391,141
Stock Level 1,391,141
Customer Report 13,911,422
100% 99.8% New Order 13,940,018 1,494
Payment 13,940,014
Order Status 1,394,003
Delivery 1,394,002
Stock Level 1,394,004
Customer Report 13,940,012
90% 90.1% New Order 12,595,303 1,494
Payment 12,595,307
Order Status 1,259,529
Delivery 1,259,530
Stock Level 1,259,531
Customer Report 12,595,305
80% 80.6% New Order 11,256,776 1,494
Payment 11,256,770
Order Status 1,125,678
Delivery 1,125,678
Stock Level 1,125,677
Customer Report 11,256,770
70% 69.7% New Order 9,735,764 1,494
Payment 9,735,763
Order Status 973,577
Delivery 973,576
Stock Level 973,576
Customer Report 9,735,763
60% 59.8% New Order 8,351,526 1,494
Payment 8,351,527
Order Status 835,153
Delivery 835,152
Stock Level 835,153
Customer Report 8,351,528
50% 49.9% New Order 6,965,437 1,494
Payment 6,965,437
Order Status 696,545
Delivery 696,544
Stock Level 696,544
Customer Report 6,965,442
40% 39.9% New Order 5,574,091 1,494
Payment 5,574,093
Order Status 557,408
Delivery 557,409
Stock Level 557,410
Customer Report 5,574,090
30% 29.9% New Order 4,171,497 1,494
Payment 4,171,499
Order Status 417,149
Delivery 417,150
Stock Level 417,149
Customer Report 4,171,496
20% 20.1% New Order 2,805,600 1,494
Payment 2,805,606
Order Status 280,560
Delivery 280,561
Stock Level 280,559
Customer Report 2,805,605
10% 9.7% New Order 1,358,785 1,494
Payment 1,358,787
Order Status 135,880
Delivery 135,880
Stock Level 135,878
Customer Report 1,358,790
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0