Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 196,626
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     198,368
Calibration 2     197,603
Calibration 3     197,261
ssj_ops@calibrated=197,432
100% 99.6% 197,432 196,626
90% 89.6% 177,689 176,915
80% 79.7% 157,946 157,334
70% 70.7% 138,202 139,544
60% 60.1% 118,459 118,694
50% 48.8% 98,716 96,386
40% 39.9% 78,973 78,846
30% 30.1% 59,230 59,477
20% 19.9% 39,486 39,355
10% 10.1% 19,743 19,946
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 14,430,303 1,494
Payment 14,430,303
Order Status 1,443,030
Delivery 1,443,032
Stock Level 1,443,031
Customer Report 14,430,304
Calibration 2 New Order 14,372,886 1,494
Payment 14,372,884
Order Status 1,437,289
Delivery 1,437,287
Stock Level 1,437,287
Customer Report 14,372,887
Calibration 3 New Order 14,346,560 1,494
Payment 14,346,555
Order Status 1,434,658
Delivery 1,434,656
Stock Level 1,434,656
Customer Report 14,346,557
100% 99.6% New Order 14,301,576 1,494
Payment 14,301,575
Order Status 1,430,158
Delivery 1,430,156
Stock Level 1,430,158
Customer Report 14,301,576
90% 89.6% New Order 12,866,974 1,494
Payment 12,866,969
Order Status 1,286,697
Delivery 1,286,697
Stock Level 1,286,697
Customer Report 12,866,974
80% 79.7% New Order 11,442,901 1,494
Payment 11,442,902
Order Status 1,144,290
Delivery 1,144,289
Stock Level 1,144,289
Customer Report 11,442,897
70% 70.7% New Order 10,149,063 1,494
Payment 10,149,064
Order Status 1,014,906
Delivery 1,014,907
Stock Level 1,014,907
Customer Report 10,149,064
60% 60.1% New Order 8,632,889 1,494
Payment 8,632,886
Order Status 863,289
Delivery 863,289
Stock Level 863,289
Customer Report 8,632,884
50% 48.8% New Order 7,010,265 1,494
Payment 7,010,265
Order Status 701,026
Delivery 701,027
Stock Level 701,027
Customer Report 7,010,266
40% 39.9% New Order 5,734,494 1,494
Payment 5,734,492
Order Status 573,448
Delivery 573,450
Stock Level 573,449
Customer Report 5,734,494
30% 30.1% New Order 4,325,838 1,494
Payment 4,325,836
Order Status 432,583
Delivery 432,583
Stock Level 432,585
Customer Report 4,325,835
20% 19.9% New Order 2,862,189 1,494
Payment 2,862,188
Order Status 286,219
Delivery 286,219
Stock Level 286,219
Customer Report 2,862,190
10% 10.1% New Order 1,450,649 1,494
Payment 1,450,648
Order Status 145,065
Delivery 145,064
Stock Level 145,065
Customer Report 1,450,646
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0